<?xml version="1.0" encoding="UTF-8"?>

<CompactData xmlns="http://www.SDMX.org/resources/SDMXML/schemas/v2_0/message" xmlns:bbk="http://www.bundesbank.de/statistik/zeitreihen/BBKcompact" xmlns:compact="http://www.SDMX.org/resources/SDMXML/schemas/v2_0/compact" xmlns:xsl="http://www.w3.org/2001/XMLSchema-instance" xsl:schemaLocation="http://www.SDMX.org/resources/SDMXML/schemas/v2_0/message schemas/SDMXMessage.xsd http://www.bundesbank.de/statistik/zeitreihen/bbkcompact schemas/BBKCompactData.xsd http://www.SDMX.org/resources/SDMXML/schemas/v2_0/compact schemas/SDMXCompactData.xsd">
  <Header>
    <ID>BBEX3_D_HUF_EUR_BB_AC_000</ID>
    <Test>false</Test>
    <Truncated>false</Truncated>
    <Prepared>2026-05-06T14:58:20</Prepared>
    <Sender id="BBK">
      <Name xml:lang="de">Deutsche Bundesbank</Name>
      <Contact>
        <Email>presse-information@bundesbank.de</Email>
      </Contact>
    </Sender>
  </Header>
  <bbk:DataSet datasetID="BBK_ERX">
    <bbk:Series FREQ="D" BBK_ID="BBEX3.D.HUF.EUR.BB.AC.000" DECIMALS="2" UNIT="HUF" UNIT_MULT="0" BBK_TITLE="Euro-Referenzkurs der EZB / 1 EUR = ... HUF / Ungarn" BBK_TITLE_ENG="Euro foreign exchange reference rate of the ECB / EUR 1 = HUF ... / Hungary" BBK_COMM_GEN="Die EZB veröffentlicht tägliche Referenzkurse, die auf Grundlage der Konzertation zwischen Zentralbanken um 14.15 Uhr ermittelt werden." BBK_COMM_GEN_ENG="The ECB publishes daily euro foreign exchange reference rates, which are calculated on the basis of the concertation between central banks at 14.15." BBK_COMM_SRC="Europäische Zentralbank (EZB)." BBK_COMM_SRC_ENG="European Central Bank (ECB).">
      <bbk:Obs TIME_PERIOD="2026-05-05" OBS_VALUE="362.83" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-05-04" OBS_VALUE="363.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2026-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-30" OBS_VALUE="364.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2026-04-29" OBS_VALUE="363.88" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2026-04-28" OBS_VALUE="365.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-04-27" OBS_VALUE="363.68" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2026-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-24" OBS_VALUE="365.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2026-04-23" OBS_VALUE="364.89" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-04-22" OBS_VALUE="365.54" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2026-04-21" OBS_VALUE="362.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-04-20" OBS_VALUE="362.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-17" OBS_VALUE="362.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2026-04-16" OBS_VALUE="364.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-04-15" OBS_VALUE="364.88" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2026-04-14" OBS_VALUE="363.85" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2026-04-13" OBS_VALUE="366.9" BBK_DIFF="-2.7"/>
      <bbk:Obs TIME_PERIOD="2026-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-10" OBS_VALUE="377.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-04-09" OBS_VALUE="377.08" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-04-08" OBS_VALUE="375.63" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2026-04-07" OBS_VALUE="382.3" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2026-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-04-02" OBS_VALUE="383.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2026-04-01" OBS_VALUE="381.9" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2026-03-31" OBS_VALUE="384.88" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2026-03-30" OBS_VALUE="389.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-27" OBS_VALUE="389.73" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-03-26" OBS_VALUE="388.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-03-25" OBS_VALUE="389.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-03-24" OBS_VALUE="389.88" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-03-23" OBS_VALUE="388.45" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2026-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-20" OBS_VALUE="392.48" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2026-03-19" OBS_VALUE="394.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-03-18" OBS_VALUE="392.83" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2026-03-17" OBS_VALUE="388.33" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2026-03-16" OBS_VALUE="390.23" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2026-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-13" OBS_VALUE="391.48" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2026-03-12" OBS_VALUE="387.54" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-03-11" OBS_VALUE="387.83" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2026-03-10" OBS_VALUE="385.83" BBK_DIFF="-2.7"/>
      <bbk:Obs TIME_PERIOD="2026-03-09" OBS_VALUE="396.38" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2026-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-03-06" OBS_VALUE="393.4" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2026-03-05" OBS_VALUE="387.55" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2026-03-04" OBS_VALUE="384.33" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2026-03-03" OBS_VALUE="387.89" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2026-03-02" OBS_VALUE="381.7" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2026-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-27" OBS_VALUE="376.63" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-02-26" OBS_VALUE="375.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-25" OBS_VALUE="375.88" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2026-02-24" OBS_VALUE="379.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-23" OBS_VALUE="379.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-20" OBS_VALUE="379.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-02-19" OBS_VALUE="379.73" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2026-02-18" OBS_VALUE="378.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-02-17" OBS_VALUE="378.43" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2026-02-16" OBS_VALUE="377.13" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2026-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-13" OBS_VALUE="379.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-12" OBS_VALUE="379.88" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-11" OBS_VALUE="379.03" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2026-02-10" OBS_VALUE="377.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-09" OBS_VALUE="377.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-02-06" OBS_VALUE="377.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2026-02-05" OBS_VALUE="379.65" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-04" OBS_VALUE="380.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-02-03" OBS_VALUE="380.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2026-02-02" OBS_VALUE="381.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2026-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-30" OBS_VALUE="380.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-01-29" OBS_VALUE="380.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-01-28" OBS_VALUE="380.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-27" OBS_VALUE="380.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2026-01-26" OBS_VALUE="381.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-23" OBS_VALUE="382.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-22" OBS_VALUE="382.7" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2026-01-21" OBS_VALUE="385.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-20" OBS_VALUE="385.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-19" OBS_VALUE="386.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2026-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-16" OBS_VALUE="385.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-15" OBS_VALUE="385.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2026-01-14" OBS_VALUE="386.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-13" OBS_VALUE="386.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-01-12" OBS_VALUE="386.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2026-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-09" OBS_VALUE="386.03" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2026-01-08" OBS_VALUE="384.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-07" OBS_VALUE="384.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2026-01-06" OBS_VALUE="385.03" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2026-01-05" OBS_VALUE="384.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2026-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2026-01-02" OBS_VALUE="383.58" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2026-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-31" OBS_VALUE="385.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-12-30" OBS_VALUE="385.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-12-29" OBS_VALUE="387.5" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-24" OBS_VALUE="389.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-12-23" OBS_VALUE="391.03" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2025-12-22" OBS_VALUE="387.88" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-19" OBS_VALUE="386.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-12-18" OBS_VALUE="387.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-12-17" OBS_VALUE="387.15" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2025-12-16" OBS_VALUE="384.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-12-15" OBS_VALUE="385.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-12" OBS_VALUE="384.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-12-11" OBS_VALUE="384.49" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-12-10" OBS_VALUE="383.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-12-09" OBS_VALUE="383.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-12-08" OBS_VALUE="383.18" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-12-05" OBS_VALUE="381.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-12-04" OBS_VALUE="382.03" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-12-03" OBS_VALUE="381.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-12-02" OBS_VALUE="380.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-12-01" OBS_VALUE="380.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-28" OBS_VALUE="381.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-11-27" OBS_VALUE="381.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-11-26" OBS_VALUE="382.0" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-11-25" OBS_VALUE="381.56" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-11-24" OBS_VALUE="382.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-21" OBS_VALUE="383.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-20" OBS_VALUE="382.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-11-19" OBS_VALUE="382.33" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2025-11-18" OBS_VALUE="384.96" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-11-17" OBS_VALUE="383.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-14" OBS_VALUE="384.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-13" OBS_VALUE="384.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-11-12" OBS_VALUE="385.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-11" OBS_VALUE="385.66" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-11-10" OBS_VALUE="383.58" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-07" OBS_VALUE="385.44" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-06" OBS_VALUE="386.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-05" OBS_VALUE="387.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-11-04" OBS_VALUE="388.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-11-03" OBS_VALUE="387.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-31" OBS_VALUE="388.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-10-30" OBS_VALUE="388.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-10-29" OBS_VALUE="388.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-10-28" OBS_VALUE="388.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-10-27" OBS_VALUE="389.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-24" OBS_VALUE="389.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-10-23" OBS_VALUE="389.99" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-10-22" OBS_VALUE="389.39" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-10-21" OBS_VALUE="389.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-10-20" OBS_VALUE="389.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-17" OBS_VALUE="389.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-10-16" OBS_VALUE="389.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-10-15" OBS_VALUE="390.83" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2025-10-14" OBS_VALUE="393.0" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-10-13" OBS_VALUE="392.68" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2025-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-10" OBS_VALUE="390.49" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-10-09" OBS_VALUE="390.98" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-10-08" OBS_VALUE="392.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-10-07" OBS_VALUE="391.75" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2025-10-06" OBS_VALUE="389.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-10-03" OBS_VALUE="388.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-10-02" OBS_VALUE="388.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-10-01" OBS_VALUE="388.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-09-30" OBS_VALUE="390.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-09-29" OBS_VALUE="391.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-26" OBS_VALUE="391.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-09-25" OBS_VALUE="390.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-09-24" OBS_VALUE="391.08" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-09-23" OBS_VALUE="389.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-09-22" OBS_VALUE="389.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-19" OBS_VALUE="390.55" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-09-18" OBS_VALUE="388.58" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-09-17" OBS_VALUE="389.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-09-16" OBS_VALUE="389.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-09-15" OBS_VALUE="389.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-12" OBS_VALUE="391.13" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-09-11" OBS_VALUE="392.63" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-09-10" OBS_VALUE="393.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-09-09" OBS_VALUE="393.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-09-08" OBS_VALUE="393.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-09-05" OBS_VALUE="392.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-09-04" OBS_VALUE="393.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-09-03" OBS_VALUE="393.3" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2025-09-02" OBS_VALUE="395.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-09-01" OBS_VALUE="395.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-29" OBS_VALUE="396.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-08-28" OBS_VALUE="396.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-08-27" OBS_VALUE="396.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-08-26" OBS_VALUE="396.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-08-25" OBS_VALUE="397.4" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-22" OBS_VALUE="395.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-08-21" OBS_VALUE="395.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-08-20" OBS_VALUE="394.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-08-19" OBS_VALUE="393.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-08-18" OBS_VALUE="395.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-15" OBS_VALUE="394.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-08-14" OBS_VALUE="394.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-08-13" OBS_VALUE="395.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-08-12" OBS_VALUE="395.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-08-11" OBS_VALUE="395.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-08" OBS_VALUE="395.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-08-07" OBS_VALUE="396.67" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-08-06" OBS_VALUE="398.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-08-05" OBS_VALUE="399.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-08-04" OBS_VALUE="398.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-08-01" OBS_VALUE="400.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-07-31" OBS_VALUE="400.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-30" OBS_VALUE="398.85" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-29" OBS_VALUE="399.9" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2025-07-28" OBS_VALUE="397.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-25" OBS_VALUE="396.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-24" OBS_VALUE="397.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-23" OBS_VALUE="399.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-07-22" OBS_VALUE="399.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-07-21" OBS_VALUE="398.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-18" OBS_VALUE="399.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-07-17" OBS_VALUE="399.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-07-16" OBS_VALUE="399.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-07-15" OBS_VALUE="400.48" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-07-14" OBS_VALUE="400.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-11" OBS_VALUE="400.03" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-10" OBS_VALUE="398.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-09" OBS_VALUE="400.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-07-08" OBS_VALUE="399.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-07-07" OBS_VALUE="399.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-07-04" OBS_VALUE="398.48" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-07-03" OBS_VALUE="399.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-07-02" OBS_VALUE="399.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-07-01" OBS_VALUE="399.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-30" OBS_VALUE="399.8" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-27" OBS_VALUE="398.81" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-06-26" OBS_VALUE="399.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-06-25" OBS_VALUE="401.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-24" OBS_VALUE="402.13" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-06-23" OBS_VALUE="404.23" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-20" OBS_VALUE="402.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-19" OBS_VALUE="403.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-06-18" OBS_VALUE="403.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-06-17" OBS_VALUE="402.83" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-06-16" OBS_VALUE="401.53" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-13" OBS_VALUE="403.43" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2025-06-12" OBS_VALUE="400.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-06-11" OBS_VALUE="400.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-06-10" OBS_VALUE="400.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-09" OBS_VALUE="401.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-06-06" OBS_VALUE="403.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-06-05" OBS_VALUE="403.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-06-04" OBS_VALUE="403.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-06-03" OBS_VALUE="403.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-02" OBS_VALUE="402.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-30" OBS_VALUE="403.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-05-29" OBS_VALUE="404.33" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-05-28" OBS_VALUE="402.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-05-27" OBS_VALUE="404.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-05-26" OBS_VALUE="403.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-23" OBS_VALUE="403.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-05-22" OBS_VALUE="403.73" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-05-21" OBS_VALUE="402.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-05-20" OBS_VALUE="402.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-05-19" OBS_VALUE="402.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-16" OBS_VALUE="403.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-05-15" OBS_VALUE="403.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-05-14" OBS_VALUE="404.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-05-13" OBS_VALUE="404.83" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-05-12" OBS_VALUE="406.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-09" OBS_VALUE="404.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-05-08" OBS_VALUE="405.43" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-05-07" OBS_VALUE="404.08" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-05-06" OBS_VALUE="405.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-05-05" OBS_VALUE="404.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-05-02" OBS_VALUE="404.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-30" OBS_VALUE="404.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-04-29" OBS_VALUE="404.04" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-04-28" OBS_VALUE="404.48" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-25" OBS_VALUE="406.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-04-24" OBS_VALUE="407.3" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-04-23" OBS_VALUE="409.03" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-04-22" OBS_VALUE="409.38" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-17" OBS_VALUE="407.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-04-16" OBS_VALUE="407.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-04-15" OBS_VALUE="407.73" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2025-04-14" OBS_VALUE="410.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-11" OBS_VALUE="408.9" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-04-10" OBS_VALUE="406.75" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-04-09" OBS_VALUE="408.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-04-08" OBS_VALUE="407.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-04-07" OBS_VALUE="407.95" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2025-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-04-04" OBS_VALUE="405.7" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2025-04-03" OBS_VALUE="401.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-04-02" OBS_VALUE="400.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-04-01" OBS_VALUE="402.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-03-31" OBS_VALUE="402.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-28" OBS_VALUE="403.13" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-03-27" OBS_VALUE="400.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-03-26" OBS_VALUE="400.83" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2025-03-25" OBS_VALUE="398.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-03-24" OBS_VALUE="398.08" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-21" OBS_VALUE="399.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-03-20" OBS_VALUE="399.68" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-03-19" OBS_VALUE="398.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-03-18" OBS_VALUE="397.33" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-03-17" OBS_VALUE="399.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-14" OBS_VALUE="399.48" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-03-13" OBS_VALUE="400.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-03-12" OBS_VALUE="399.78" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-03-11" OBS_VALUE="401.78" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2025-03-10" OBS_VALUE="399.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-07" OBS_VALUE="399.28" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-03-06" OBS_VALUE="400.68" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-03-05" OBS_VALUE="398.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-03-04" OBS_VALUE="398.93" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-03-03" OBS_VALUE="400.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-28" OBS_VALUE="399.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-02-27" OBS_VALUE="399.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-02-26" OBS_VALUE="400.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-02-25" OBS_VALUE="401.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-02-24" OBS_VALUE="401.69" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2025-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-21" OBS_VALUE="404.6" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2025-02-20" OBS_VALUE="402.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-02-19" OBS_VALUE="402.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-02-18" OBS_VALUE="401.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-02-17" OBS_VALUE="401.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-14" OBS_VALUE="402.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-02-13" OBS_VALUE="401.78" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-02-12" OBS_VALUE="402.63" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-02-11" OBS_VALUE="403.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-02-10" OBS_VALUE="403.88" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-07" OBS_VALUE="405.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-02-06" OBS_VALUE="406.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-02-05" OBS_VALUE="406.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-02-04" OBS_VALUE="407.15" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-02-03" OBS_VALUE="408.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-31" OBS_VALUE="407.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2025-01-30" OBS_VALUE="407.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-01-29" OBS_VALUE="408.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-01-28" OBS_VALUE="408.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-01-27" OBS_VALUE="408.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-24" OBS_VALUE="408.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2025-01-23" OBS_VALUE="409.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-01-22" OBS_VALUE="411.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-01-21" OBS_VALUE="411.48" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-01-20" OBS_VALUE="413.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-17" OBS_VALUE="412.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-01-16" OBS_VALUE="412.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-01-15" OBS_VALUE="410.63" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2025-01-14" OBS_VALUE="412.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2025-01-13" OBS_VALUE="413.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2025-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-10" OBS_VALUE="413.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-01-09" OBS_VALUE="413.98" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2025-01-08" OBS_VALUE="416.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2025-01-07" OBS_VALUE="415.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2025-01-06" OBS_VALUE="414.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2025-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2025-01-03" OBS_VALUE="414.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2025-01-02" OBS_VALUE="412.9" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2025-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-31" OBS_VALUE="411.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-12-30" OBS_VALUE="411.53" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-27" OBS_VALUE="411.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-24" OBS_VALUE="411.73" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2024-12-23" OBS_VALUE="414.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-20" OBS_VALUE="414.18" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-12-19" OBS_VALUE="416.05" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2024-12-18" OBS_VALUE="410.88" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-12-17" OBS_VALUE="409.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-12-16" OBS_VALUE="409.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-13" OBS_VALUE="408.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-12-12" OBS_VALUE="408.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-12-11" OBS_VALUE="409.48" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-12-10" OBS_VALUE="411.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-12-09" OBS_VALUE="411.25" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2024-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-12-06" OBS_VALUE="414.35" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2024-12-05" OBS_VALUE="411.8" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-12-04" OBS_VALUE="414.39" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-12-03" OBS_VALUE="414.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-12-02" OBS_VALUE="414.95" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2024-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-29" OBS_VALUE="411.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-28" OBS_VALUE="412.83" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-11-27" OBS_VALUE="412.08" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-26" OBS_VALUE="410.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-25" OBS_VALUE="409.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-22" OBS_VALUE="411.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-11-21" OBS_VALUE="410.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-11-20" OBS_VALUE="409.6" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-11-19" OBS_VALUE="407.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-18" OBS_VALUE="408.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-15" OBS_VALUE="407.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-11-14" OBS_VALUE="407.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-11-13" OBS_VALUE="408.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-11-12" OBS_VALUE="410.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-11" OBS_VALUE="409.63" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2024-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-08" OBS_VALUE="406.68" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-11-07" OBS_VALUE="404.58" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-06" OBS_VALUE="410.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-11-05" OBS_VALUE="409.25" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-11-04" OBS_VALUE="407.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-11-01" OBS_VALUE="407.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-31" OBS_VALUE="408.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-10-30" OBS_VALUE="408.38" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2024-10-29" OBS_VALUE="405.23" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-28" OBS_VALUE="404.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-25" OBS_VALUE="404.68" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-10-24" OBS_VALUE="402.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-10-23" OBS_VALUE="401.83" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-10-22" OBS_VALUE="400.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-10-21" OBS_VALUE="401.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-18" OBS_VALUE="400.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-17" OBS_VALUE="399.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-10-16" OBS_VALUE="401.0" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-15" OBS_VALUE="400.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-14" OBS_VALUE="400.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-11" OBS_VALUE="400.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-10" OBS_VALUE="400.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-10-09" OBS_VALUE="399.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-10-08" OBS_VALUE="400.55" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-10-07" OBS_VALUE="402.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-10-04" OBS_VALUE="401.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-10-03" OBS_VALUE="401.43" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-10-02" OBS_VALUE="399.53" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-10-01" OBS_VALUE="397.83" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-09-30" OBS_VALUE="396.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-27" OBS_VALUE="396.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-09-26" OBS_VALUE="395.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-09-25" OBS_VALUE="395.03" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-09-24" OBS_VALUE="394.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-09-23" OBS_VALUE="394.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-20" OBS_VALUE="393.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-09-19" OBS_VALUE="394.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-09-18" OBS_VALUE="394.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-09-17" OBS_VALUE="394.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-09-16" OBS_VALUE="393.83" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-13" OBS_VALUE="395.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-09-12" OBS_VALUE="395.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-09-11" OBS_VALUE="396.2" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-09-10" OBS_VALUE="397.38" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-09-09" OBS_VALUE="395.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-09-06" OBS_VALUE="394.75" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2024-09-05" OBS_VALUE="392.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-09-04" OBS_VALUE="393.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-09-03" OBS_VALUE="393.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-09-02" OBS_VALUE="392.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-30" OBS_VALUE="392.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-08-29" OBS_VALUE="392.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-08-28" OBS_VALUE="393.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-08-27" OBS_VALUE="393.13" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-08-26" OBS_VALUE="395.23" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-23" OBS_VALUE="393.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-08-22" OBS_VALUE="394.1" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-08-21" OBS_VALUE="392.35" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-08-20" OBS_VALUE="393.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-08-19" OBS_VALUE="393.08" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2024-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-16" OBS_VALUE="395.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-08-15" OBS_VALUE="394.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-08-14" OBS_VALUE="394.45" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-08-13" OBS_VALUE="393.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-08-12" OBS_VALUE="393.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-09" OBS_VALUE="395.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-08-08" OBS_VALUE="396.1" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-08-07" OBS_VALUE="398.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-08-06" OBS_VALUE="397.38" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-08-05" OBS_VALUE="398.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-08-02" OBS_VALUE="396.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-08-01" OBS_VALUE="395.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-07-31" OBS_VALUE="395.78" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-07-30" OBS_VALUE="394.5" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-07-29" OBS_VALUE="392.5" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-26" OBS_VALUE="390.95" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-07-25" OBS_VALUE="393.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-07-24" OBS_VALUE="393.28" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2024-07-23" OBS_VALUE="390.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-07-22" OBS_VALUE="389.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-19" OBS_VALUE="390.9" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-07-18" OBS_VALUE="389.73" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-07-17" OBS_VALUE="391.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-07-16" OBS_VALUE="391.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-07-15" OBS_VALUE="391.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-12" OBS_VALUE="391.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-07-11" OBS_VALUE="393.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-07-10" OBS_VALUE="392.68" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-07-09" OBS_VALUE="395.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-07-08" OBS_VALUE="394.7" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-07-05" OBS_VALUE="392.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-07-04" OBS_VALUE="393.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-07-03" OBS_VALUE="395.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-07-02" OBS_VALUE="395.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-07-01" OBS_VALUE="394.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-28" OBS_VALUE="395.1" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-06-27" OBS_VALUE="397.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-26" OBS_VALUE="396.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-06-25" OBS_VALUE="396.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-06-24" OBS_VALUE="394.36" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-21" OBS_VALUE="396.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-06-20" OBS_VALUE="397.39" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-19" OBS_VALUE="396.34" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-18" OBS_VALUE="395.13" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-17" OBS_VALUE="396.25" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-14" OBS_VALUE="398.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-06-13" OBS_VALUE="396.48" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-12" OBS_VALUE="395.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-06-11" OBS_VALUE="394.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-06-10" OBS_VALUE="394.15" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-07" OBS_VALUE="388.92" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-06-06" OBS_VALUE="390.68" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-06-05" OBS_VALUE="391.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-06-04" OBS_VALUE="392.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-06-03" OBS_VALUE="391.4" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2024-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-31" OBS_VALUE="388.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-05-30" OBS_VALUE="389.45" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2024-05-29" OBS_VALUE="387.08" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2024-05-28" OBS_VALUE="382.78" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-05-27" OBS_VALUE="384.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-24" OBS_VALUE="385.18" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-05-23" OBS_VALUE="387.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-05-22" OBS_VALUE="388.05" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2024-05-21" OBS_VALUE="385.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-05-20" OBS_VALUE="385.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-17" OBS_VALUE="387.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-05-16" OBS_VALUE="386.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-05-15" OBS_VALUE="386.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-05-14" OBS_VALUE="386.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-05-13" OBS_VALUE="387.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-10" OBS_VALUE="387.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-05-09" OBS_VALUE="387.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-05-08" OBS_VALUE="388.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-05-07" OBS_VALUE="389.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-05-06" OBS_VALUE="389.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-05-03" OBS_VALUE="388.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-05-02" OBS_VALUE="388.98" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-30" OBS_VALUE="390.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-04-29" OBS_VALUE="391.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-26" OBS_VALUE="392.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-04-25" OBS_VALUE="392.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-04-24" OBS_VALUE="393.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-04-23" OBS_VALUE="393.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-04-22" OBS_VALUE="393.9" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-19" OBS_VALUE="395.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-04-18" OBS_VALUE="393.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-04-17" OBS_VALUE="393.0" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-04-16" OBS_VALUE="394.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-04-15" OBS_VALUE="394.25" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2024-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-12" OBS_VALUE="391.63" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-04-11" OBS_VALUE="389.8" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-04-10" OBS_VALUE="389.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-04-09" OBS_VALUE="389.2" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-04-08" OBS_VALUE="390.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-04-05" OBS_VALUE="390.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-04-04" OBS_VALUE="391.55" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-04-03" OBS_VALUE="393.2" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-04-02" OBS_VALUE="395.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-28" OBS_VALUE="395.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-03-27" OBS_VALUE="395.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-03-26" OBS_VALUE="395.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-03-25" OBS_VALUE="396.17" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-22" OBS_VALUE="396.3" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2024-03-21" OBS_VALUE="393.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-03-20" OBS_VALUE="395.33" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-03-19" OBS_VALUE="394.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-03-18" OBS_VALUE="394.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-15" OBS_VALUE="393.2" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-03-14" OBS_VALUE="394.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-03-13" OBS_VALUE="396.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-03-12" OBS_VALUE="397.8" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2024-03-11" OBS_VALUE="395.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-08" OBS_VALUE="394.05" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-03-07" OBS_VALUE="395.43" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2024-03-06" OBS_VALUE="392.95" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2024-03-05" OBS_VALUE="395.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-03-04" OBS_VALUE="395.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-03-01" OBS_VALUE="393.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-02-29" OBS_VALUE="393.48" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-02-28" OBS_VALUE="391.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-02-27" OBS_VALUE="390.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-02-26" OBS_VALUE="389.53" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-23" OBS_VALUE="388.47" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-02-22" OBS_VALUE="386.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-02-21" OBS_VALUE="387.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-02-20" OBS_VALUE="388.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-02-19" OBS_VALUE="388.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-16" OBS_VALUE="389.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2024-02-15" OBS_VALUE="389.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-02-14" OBS_VALUE="388.73" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-02-13" OBS_VALUE="387.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-02-12" OBS_VALUE="387.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-09" OBS_VALUE="387.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2024-02-08" OBS_VALUE="387.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2024-02-07" OBS_VALUE="388.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-02-06" OBS_VALUE="386.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-02-05" OBS_VALUE="385.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-02-02" OBS_VALUE="383.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-02-01" OBS_VALUE="383.35" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-01-31" OBS_VALUE="384.9" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2024-01-30" OBS_VALUE="387.23" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2024-01-29" OBS_VALUE="390.03" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2024-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-26" OBS_VALUE="386.95" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2024-01-25" OBS_VALUE="385.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-24" OBS_VALUE="385.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-23" OBS_VALUE="385.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-01-22" OBS_VALUE="383.68" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2024-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-19" OBS_VALUE="381.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-18" OBS_VALUE="382.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-01-17" OBS_VALUE="380.86" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2024-01-16" OBS_VALUE="379.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-15" OBS_VALUE="379.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-12" OBS_VALUE="379.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-11" OBS_VALUE="378.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-10" OBS_VALUE="378.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2024-01-09" OBS_VALUE="378.83" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2024-01-08" OBS_VALUE="377.65" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2024-01-05" OBS_VALUE="378.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-01-04" OBS_VALUE="378.85" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-01-03" OBS_VALUE="380.75" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2024-01-02" OBS_VALUE="382.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2024-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-29" OBS_VALUE="382.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-12-28" OBS_VALUE="383.1" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-12-27" OBS_VALUE="381.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-22" OBS_VALUE="381.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-12-21" OBS_VALUE="382.4" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2023-12-20" OBS_VALUE="385.23" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2023-12-19" OBS_VALUE="382.98" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2023-12-18" OBS_VALUE="385.5" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-15" OBS_VALUE="382.53" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-12-14" OBS_VALUE="379.43" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-12-13" OBS_VALUE="380.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-12-12" OBS_VALUE="381.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-12-11" OBS_VALUE="381.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-08" OBS_VALUE="381.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-12-07" OBS_VALUE="381.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-12-06" OBS_VALUE="380.57" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-12-05" OBS_VALUE="379.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-12-04" OBS_VALUE="379.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-12-01" OBS_VALUE="379.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-11-30" OBS_VALUE="380.75" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2023-11-29" OBS_VALUE="377.38" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2023-11-28" OBS_VALUE="379.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-11-27" OBS_VALUE="379.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-24" OBS_VALUE="379.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-11-23" OBS_VALUE="379.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-11-22" OBS_VALUE="380.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-11-21" OBS_VALUE="379.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-11-20" OBS_VALUE="378.9" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-17" OBS_VALUE="377.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-11-16" OBS_VALUE="376.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-11-15" OBS_VALUE="377.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-11-14" OBS_VALUE="377.61" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-11-13" OBS_VALUE="377.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-10" OBS_VALUE="377.43" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-11-09" OBS_VALUE="378.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-11-08" OBS_VALUE="379.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-11-07" OBS_VALUE="378.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-11-06" OBS_VALUE="379.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-11-03" OBS_VALUE="380.38" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-11-02" OBS_VALUE="382.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-11-01" OBS_VALUE="383.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-10-31" OBS_VALUE="382.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-10-30" OBS_VALUE="382.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-27" OBS_VALUE="382.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-10-26" OBS_VALUE="383.5" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-10-25" OBS_VALUE="385.3" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-10-24" OBS_VALUE="383.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-10-23" OBS_VALUE="381.98" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-20" OBS_VALUE="383.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-19" OBS_VALUE="383.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-10-18" OBS_VALUE="384.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-17" OBS_VALUE="384.98" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-10-16" OBS_VALUE="387.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-13" OBS_VALUE="387.73" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-10-12" OBS_VALUE="385.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-11" OBS_VALUE="386.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-10" OBS_VALUE="387.38" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-10-09" OBS_VALUE="388.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-10-06" OBS_VALUE="386.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-10-05" OBS_VALUE="387.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-10-04" OBS_VALUE="387.32" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-03" OBS_VALUE="386.73" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-10-02" OBS_VALUE="388.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-29" OBS_VALUE="389.5" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2023-09-28" OBS_VALUE="392.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-09-27" OBS_VALUE="390.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-09-26" OBS_VALUE="388.88" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-09-25" OBS_VALUE="391.08" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2023-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-22" OBS_VALUE="386.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-09-21" OBS_VALUE="387.78" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2023-09-20" OBS_VALUE="383.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-09-19" OBS_VALUE="383.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-09-18" OBS_VALUE="384.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-15" OBS_VALUE="383.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-09-14" OBS_VALUE="384.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-09-13" OBS_VALUE="384.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-09-12" OBS_VALUE="385.08" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-09-11" OBS_VALUE="384.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-08" OBS_VALUE="385.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-09-07" OBS_VALUE="387.58" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-09-06" OBS_VALUE="389.15" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-09-05" OBS_VALUE="386.0" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-09-04" OBS_VALUE="383.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-09-01" OBS_VALUE="383.73" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2023-08-31" OBS_VALUE="380.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-08-30" OBS_VALUE="379.85" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-08-29" OBS_VALUE="382.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-08-28" OBS_VALUE="382.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-25" OBS_VALUE="381.78" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-08-24" OBS_VALUE="384.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-08-23" OBS_VALUE="383.33" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-08-22" OBS_VALUE="382.03" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-08-21" OBS_VALUE="381.73" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-18" OBS_VALUE="383.59" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-08-17" OBS_VALUE="384.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-08-16" OBS_VALUE="385.45" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-08-15" OBS_VALUE="388.48" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2023-08-14" OBS_VALUE="382.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-11" OBS_VALUE="382.8" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-08-10" OBS_VALUE="385.13" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2023-08-09" OBS_VALUE="388.44" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-08-08" OBS_VALUE="388.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-08-07" OBS_VALUE="389.5" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-08-04" OBS_VALUE="391.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-08-03" OBS_VALUE="390.85" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2023-08-02" OBS_VALUE="386.88" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-08-01" OBS_VALUE="389.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2023-07-31" OBS_VALUE="386.93" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2023-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-28" OBS_VALUE="383.26" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2023-07-27" OBS_VALUE="379.03" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2023-07-26" OBS_VALUE="384.13" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2023-07-25" OBS_VALUE="378.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-07-24" OBS_VALUE="378.38" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-21" OBS_VALUE="380.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-07-20" OBS_VALUE="379.24" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2023-07-19" OBS_VALUE="375.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-07-18" OBS_VALUE="373.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-07-17" OBS_VALUE="373.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-14" OBS_VALUE="374.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-07-13" OBS_VALUE="375.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-07-12" OBS_VALUE="376.48" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-07-11" OBS_VALUE="379.5" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-07-10" OBS_VALUE="382.65" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2023-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-07" OBS_VALUE="388.33" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2023-07-06" OBS_VALUE="382.95" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2023-07-05" OBS_VALUE="378.4" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-07-04" OBS_VALUE="375.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-07-03" OBS_VALUE="375.03" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-30" OBS_VALUE="371.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-06-29" OBS_VALUE="370.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-06-28" OBS_VALUE="371.73" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2023-06-27" OBS_VALUE="368.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-06-26" OBS_VALUE="369.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-23" OBS_VALUE="369.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-06-22" OBS_VALUE="369.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-06-21" OBS_VALUE="369.9" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2023-06-20" OBS_VALUE="372.55" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-06-19" OBS_VALUE="374.4" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-16" OBS_VALUE="373.0" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-06-15" OBS_VALUE="376.03" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2023-06-14" OBS_VALUE="370.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-06-13" OBS_VALUE="371.13" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-06-12" OBS_VALUE="368.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-09" OBS_VALUE="368.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-06-08" OBS_VALUE="368.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-06-07" OBS_VALUE="368.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-06-06" OBS_VALUE="368.63" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-06-05" OBS_VALUE="369.28" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-06-02" OBS_VALUE="371.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-06-01" OBS_VALUE="370.42" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-31" OBS_VALUE="370.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-30" OBS_VALUE="370.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-05-29" OBS_VALUE="371.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-26" OBS_VALUE="371.61" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-05-25" OBS_VALUE="372.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-24" OBS_VALUE="372.7" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2023-05-23" OBS_VALUE="376.45" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-05-22" OBS_VALUE="374.73" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-19" OBS_VALUE="376.73" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-05-18" OBS_VALUE="373.87" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2023-05-17" OBS_VALUE="371.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2023-05-16" OBS_VALUE="369.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-05-15" OBS_VALUE="369.3" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-12" OBS_VALUE="370.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-11" OBS_VALUE="371.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-10" OBS_VALUE="370.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-05-09" OBS_VALUE="371.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-08" OBS_VALUE="372.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-05-05" OBS_VALUE="372.48" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-05-04" OBS_VALUE="373.94" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-05-03" OBS_VALUE="375.63" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2023-05-02" OBS_VALUE="371.98" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-28" OBS_VALUE="373.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-04-27" OBS_VALUE="373.58" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-04-26" OBS_VALUE="375.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-04-25" OBS_VALUE="375.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-04-24" OBS_VALUE="375.15" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-21" OBS_VALUE="377.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-04-20" OBS_VALUE="377.68" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-04-19" OBS_VALUE="376.35" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2023-04-18" OBS_VALUE="371.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-04-17" OBS_VALUE="371.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-14" OBS_VALUE="373.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-04-13" OBS_VALUE="374.55" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-04-12" OBS_VALUE="376.23" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-04-11" OBS_VALUE="375.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-06" OBS_VALUE="376.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-04-05" OBS_VALUE="376.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-04-04" OBS_VALUE="376.83" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-04-03" OBS_VALUE="378.84" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-31" OBS_VALUE="379.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-03-30" OBS_VALUE="380.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-03-29" OBS_VALUE="379.8" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-03-28" OBS_VALUE="382.95" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-03-27" OBS_VALUE="385.3" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-24" OBS_VALUE="386.8" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-03-23" OBS_VALUE="384.75" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2023-03-22" OBS_VALUE="388.55" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-03-21" OBS_VALUE="391.58" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2023-03-20" OBS_VALUE="399.21" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2023-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-17" OBS_VALUE="395.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-03-16" OBS_VALUE="396.43" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2023-03-15" OBS_VALUE="397.5" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2023-03-14" OBS_VALUE="391.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-03-13" OBS_VALUE="390.95" BBK_DIFF="1.9"/>
      <bbk:Obs TIME_PERIOD="2023-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-10" OBS_VALUE="383.65" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2023-03-09" OBS_VALUE="379.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-03-08" OBS_VALUE="379.87" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2023-03-07" OBS_VALUE="377.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-03-06" OBS_VALUE="377.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-03-03" OBS_VALUE="378.71" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2023-03-02" OBS_VALUE="374.63" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-03-01" OBS_VALUE="373.58" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2023-02-28" OBS_VALUE="377.68" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2023-02-27" OBS_VALUE="379.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-24" OBS_VALUE="380.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-02-23" OBS_VALUE="381.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-02-22" OBS_VALUE="382.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-02-21" OBS_VALUE="382.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-02-20" OBS_VALUE="382.83" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2023-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-17" OBS_VALUE="386.61" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2023-02-16" OBS_VALUE="382.65" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-02-15" OBS_VALUE="380.58" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2023-02-14" OBS_VALUE="382.45" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-02-13" OBS_VALUE="385.48" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2023-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-10" OBS_VALUE="389.78" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2023-02-09" OBS_VALUE="385.8" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-02-08" OBS_VALUE="388.73" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2023-02-07" OBS_VALUE="394.4" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2023-02-06" OBS_VALUE="390.83" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2023-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-02-03" OBS_VALUE="386.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-02-02" OBS_VALUE="387.2" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2023-02-01" OBS_VALUE="390.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2023-01-31" OBS_VALUE="390.91" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-01-30" OBS_VALUE="390.53" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-27" OBS_VALUE="388.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-01-26" OBS_VALUE="387.38" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2023-01-25" OBS_VALUE="388.75" BBK_DIFF="-2.2"/>
      <bbk:Obs TIME_PERIOD="2023-01-24" OBS_VALUE="397.33" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-01-23" OBS_VALUE="395.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-20" OBS_VALUE="395.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2023-01-19" OBS_VALUE="396.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-01-18" OBS_VALUE="396.15" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2023-01-17" OBS_VALUE="399.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2023-01-16" OBS_VALUE="398.98" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2023-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-13" OBS_VALUE="396.96" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2023-01-12" OBS_VALUE="399.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-01-11" OBS_VALUE="399.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-01-10" OBS_VALUE="399.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2023-01-09" OBS_VALUE="397.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2023-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2023-01-06" OBS_VALUE="396.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-01-05" OBS_VALUE="396.88" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2023-01-04" OBS_VALUE="395.85" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2023-01-03" OBS_VALUE="403.33" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2023-01-02" OBS_VALUE="401.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2023-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-30" OBS_VALUE="400.87" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-12-29" OBS_VALUE="399.6" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-12-28" OBS_VALUE="403.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-12-27" OBS_VALUE="401.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-23" OBS_VALUE="400.68" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-12-22" OBS_VALUE="402.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-12-21" OBS_VALUE="402.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-12-20" OBS_VALUE="403.88" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-12-19" OBS_VALUE="403.18" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2022-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-16" OBS_VALUE="407.1" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-12-15" OBS_VALUE="406.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-12-14" OBS_VALUE="406.63" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-12-13" OBS_VALUE="409.65" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2022-12-12" OBS_VALUE="416.78" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-09" OBS_VALUE="417.53" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-12-08" OBS_VALUE="417.66" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2022-12-07" OBS_VALUE="410.63" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2022-12-06" OBS_VALUE="415.08" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-12-05" OBS_VALUE="412.13" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-12-02" OBS_VALUE="410.0" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-12-01" OBS_VALUE="413.5" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2022-11-30" OBS_VALUE="408.4" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-11-29" OBS_VALUE="406.5" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-11-28" OBS_VALUE="408.87" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-25" OBS_VALUE="411.33" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-11-24" OBS_VALUE="413.33" BBK_DIFF="1.9"/>
      <bbk:Obs TIME_PERIOD="2022-11-23" OBS_VALUE="405.75" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-11-22" OBS_VALUE="408.23" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-11-21" OBS_VALUE="409.43" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-18" OBS_VALUE="407.41" BBK_DIFF="-2.0"/>
      <bbk:Obs TIME_PERIOD="2022-11-17" OBS_VALUE="415.6" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2022-11-16" OBS_VALUE="408.18" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-11-15" OBS_VALUE="405.45" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-11-14" OBS_VALUE="407.28" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2022-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-11" OBS_VALUE="402.08" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-11-10" OBS_VALUE="400.95" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-11-09" OBS_VALUE="403.53" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-11-08" OBS_VALUE="400.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-11-07" OBS_VALUE="401.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-11-04" OBS_VALUE="401.15" BBK_DIFF="-1.6"/>
      <bbk:Obs TIME_PERIOD="2022-11-03" OBS_VALUE="407.87" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-11-02" OBS_VALUE="407.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-11-01" OBS_VALUE="406.9" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-10-31" OBS_VALUE="409.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-28" OBS_VALUE="411.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-10-27" OBS_VALUE="412.15" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-10-26" OBS_VALUE="408.09" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2022-10-25" OBS_VALUE="413.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-10-24" OBS_VALUE="411.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-21" OBS_VALUE="412.88" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-10-20" OBS_VALUE="411.2" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-10-19" OBS_VALUE="413.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-10-18" OBS_VALUE="413.08" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2022-10-17" OBS_VALUE="418.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-14" OBS_VALUE="418.24" BBK_DIFF="-2.9"/>
      <bbk:Obs TIME_PERIOD="2022-10-13" OBS_VALUE="430.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-10-12" OBS_VALUE="429.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-10-11" OBS_VALUE="428.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-10-10" OBS_VALUE="428.2" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-07" OBS_VALUE="423.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-10-06" OBS_VALUE="422.59" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-10-05" OBS_VALUE="423.6" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2022-10-04" OBS_VALUE="417.68" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2022-10-03" OBS_VALUE="424.86" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2022-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-30" OBS_VALUE="422.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-09-29" OBS_VALUE="421.93" BBK_DIFF="2.5"/>
      <bbk:Obs TIME_PERIOD="2022-09-28" OBS_VALUE="411.72" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2022-09-27" OBS_VALUE="406.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-09-26" OBS_VALUE="408.83" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2022-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-23" OBS_VALUE="406.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-09-22" OBS_VALUE="405.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-09-21" OBS_VALUE="405.1" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2022-09-20" OBS_VALUE="398.58" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-09-19" OBS_VALUE="400.85" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-16" OBS_VALUE="403.98" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-09-15" OBS_VALUE="407.15" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2022-09-14" OBS_VALUE="402.9" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2022-09-13" OBS_VALUE="396.83" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-09-12" OBS_VALUE="395.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-09" OBS_VALUE="396.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-09-08" OBS_VALUE="395.48" BBK_DIFF="-1.6"/>
      <bbk:Obs TIME_PERIOD="2022-09-07" OBS_VALUE="401.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-09-06" OBS_VALUE="402.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-09-05" OBS_VALUE="403.9" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2022-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-09-02" OBS_VALUE="398.38" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-09-01" OBS_VALUE="399.58" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-08-31" OBS_VALUE="402.8" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-08-30" OBS_VALUE="406.38" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-08-29" OBS_VALUE="409.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-26" OBS_VALUE="410.48" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-08-25" OBS_VALUE="408.93" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-08-24" OBS_VALUE="410.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-08-23" OBS_VALUE="410.55" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2022-08-22" OBS_VALUE="408.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-19" OBS_VALUE="407.35" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-08-18" OBS_VALUE="405.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-08-17" OBS_VALUE="404.28" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-08-16" OBS_VALUE="406.2" BBK_DIFF="1.9"/>
      <bbk:Obs TIME_PERIOD="2022-08-15" OBS_VALUE="398.6" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2022-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-12" OBS_VALUE="392.3" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-08-11" OBS_VALUE="394.18" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-08-10" OBS_VALUE="397.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-08-09" OBS_VALUE="397.35" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2022-08-08" OBS_VALUE="394.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-08-05" OBS_VALUE="393.78" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-08-04" OBS_VALUE="395.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-08-03" OBS_VALUE="395.03" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-08-02" OBS_VALUE="396.82" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2022-08-01" OBS_VALUE="401.35" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-29" OBS_VALUE="404.8" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-07-28" OBS_VALUE="407.3" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2022-07-27" OBS_VALUE="404.67" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2022-07-26" OBS_VALUE="400.99" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2022-07-25" OBS_VALUE="396.5" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-22" OBS_VALUE="398.3" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-07-21" OBS_VALUE="400.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-07-20" OBS_VALUE="399.5" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-07-19" OBS_VALUE="397.45" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2022-07-18" OBS_VALUE="402.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-15" OBS_VALUE="403.73" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2022-07-14" OBS_VALUE="408.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-07-13" OBS_VALUE="409.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-07-12" OBS_VALUE="409.98" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-07-11" OBS_VALUE="408.22" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2022-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-08" OBS_VALUE="402.45" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2022-07-07" OBS_VALUE="410.04" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-07-06" OBS_VALUE="411.8" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2022-07-05" OBS_VALUE="407.38" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2022-07-04" OBS_VALUE="401.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-07-01" OBS_VALUE="401.11" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-06-30" OBS_VALUE="397.04" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-06-29" OBS_VALUE="394.28" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2022-06-28" OBS_VALUE="398.55" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2022-06-27" OBS_VALUE="402.62" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-24" OBS_VALUE="401.34" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-06-23" OBS_VALUE="399.6" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2022-06-22" OBS_VALUE="396.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-06-21" OBS_VALUE="396.48" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-06-20" OBS_VALUE="397.85" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-17" OBS_VALUE="400.53" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2022-06-16" OBS_VALUE="398.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-06-15" OBS_VALUE="397.96" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-06-14" OBS_VALUE="398.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-06-13" OBS_VALUE="399.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-10" OBS_VALUE="398.48" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-06-09" OBS_VALUE="396.45" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2022-06-08" OBS_VALUE="391.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-06-07" OBS_VALUE="389.33" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-06-06" OBS_VALUE="388.05" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2022-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-06-03" OBS_VALUE="394.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-06-02" OBS_VALUE="394.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-06-01" OBS_VALUE="395.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-05-31" OBS_VALUE="396.2" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-05-30" OBS_VALUE="392.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-27" OBS_VALUE="392.83" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-05-26" OBS_VALUE="391.72" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2022-05-25" OBS_VALUE="388.25" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2022-05-24" OBS_VALUE="383.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-05-23" OBS_VALUE="381.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-20" OBS_VALUE="382.93" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-05-19" OBS_VALUE="385.83" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2022-05-18" OBS_VALUE="382.88" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-05-17" OBS_VALUE="386.3" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-05-16" OBS_VALUE="385.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-13" OBS_VALUE="385.0" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-05-12" OBS_VALUE="382.2" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2022-05-11" OBS_VALUE="379.13" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-05-10" OBS_VALUE="380.15" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-05-09" OBS_VALUE="383.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-05-06" OBS_VALUE="381.47" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-05-05" OBS_VALUE="378.65" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-05-04" OBS_VALUE="377.55" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2022-05-03" OBS_VALUE="382.15" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-05-02" OBS_VALUE="378.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-29" OBS_VALUE="378.71" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-04-28" OBS_VALUE="377.06" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-04-27" OBS_VALUE="379.74" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2022-04-26" OBS_VALUE="374.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-04-25" OBS_VALUE="374.08" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-22" OBS_VALUE="370.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-04-21" OBS_VALUE="370.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-04-20" OBS_VALUE="371.36" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-04-19" OBS_VALUE="374.12" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-14" OBS_VALUE="376.57" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-04-13" OBS_VALUE="378.45" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-04-12" OBS_VALUE="377.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-04-11" OBS_VALUE="378.27" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-08" OBS_VALUE="375.66" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-04-07" OBS_VALUE="379.26" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-04-06" OBS_VALUE="377.77" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2022-04-05" OBS_VALUE="370.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-04-04" OBS_VALUE="369.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-04-01" OBS_VALUE="368.12" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-03-31" OBS_VALUE="369.77" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-03-30" OBS_VALUE="368.13" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-03-29" OBS_VALUE="369.8" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2022-03-28" OBS_VALUE="374.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-25" OBS_VALUE="373.81" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-03-24" OBS_VALUE="374.44" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2022-03-23" OBS_VALUE="372.25" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-03-22" OBS_VALUE="371.23" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-03-21" OBS_VALUE="374.48" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-18" OBS_VALUE="375.33" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2022-03-17" OBS_VALUE="372.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-03-16" OBS_VALUE="371.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-03-15" OBS_VALUE="371.41" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-03-14" OBS_VALUE="373.88" BBK_DIFF="-1.8"/>
      <bbk:Obs TIME_PERIOD="2022-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-11" OBS_VALUE="380.92" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-03-10" OBS_VALUE="381.63" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-03-09" OBS_VALUE="379.66" BBK_DIFF="-2.2"/>
      <bbk:Obs TIME_PERIOD="2022-03-08" OBS_VALUE="388.28" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2022-03-07" OBS_VALUE="393.25" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2022-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-03-04" OBS_VALUE="386.54" BBK_DIFF="2.1"/>
      <bbk:Obs TIME_PERIOD="2022-03-03" OBS_VALUE="378.64" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2022-03-02" OBS_VALUE="382.31" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-03-01" OBS_VALUE="379.6" BBK_DIFF="2.7"/>
      <bbk:Obs TIME_PERIOD="2022-02-28" OBS_VALUE="369.72" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2022-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-25" OBS_VALUE="365.28" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2022-02-24" OBS_VALUE="368.63" BBK_DIFF="3.2"/>
      <bbk:Obs TIME_PERIOD="2022-02-23" OBS_VALUE="357.25" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2022-02-22" OBS_VALUE="355.89" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-02-21" OBS_VALUE="357.54" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-18" OBS_VALUE="356.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-02-17" OBS_VALUE="356.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-02-16" OBS_VALUE="355.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-02-15" OBS_VALUE="355.33" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-02-14" OBS_VALUE="357.06" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2022-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-11" OBS_VALUE="353.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-02-10" OBS_VALUE="354.02" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-02-09" OBS_VALUE="352.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-02-08" OBS_VALUE="353.09" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-02-07" OBS_VALUE="353.48" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-02-04" OBS_VALUE="352.92" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-02-03" OBS_VALUE="353.94" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-02-02" OBS_VALUE="354.45" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2022-02-01" OBS_VALUE="356.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-01-31" OBS_VALUE="357.19" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-28" OBS_VALUE="358.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-01-27" OBS_VALUE="358.09" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-01-26" OBS_VALUE="359.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2022-01-25" OBS_VALUE="359.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-01-24" OBS_VALUE="359.84" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2022-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-21" OBS_VALUE="358.19" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2022-01-20" OBS_VALUE="355.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-01-19" OBS_VALUE="355.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-01-18" OBS_VALUE="357.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2022-01-17" OBS_VALUE="356.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2022-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-14" OBS_VALUE="356.1" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2022-01-13" OBS_VALUE="355.24" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2022-01-12" OBS_VALUE="355.98" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-01-11" OBS_VALUE="357.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-01-10" OBS_VALUE="358.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2022-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-07" OBS_VALUE="358.68" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2022-01-06" OBS_VALUE="359.84" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2022-01-05" OBS_VALUE="362.15" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2022-01-04" OBS_VALUE="365.12" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2022-01-03" OBS_VALUE="367.71" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2022-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2022-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-31" OBS_VALUE="369.19" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-12-30" OBS_VALUE="370.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-12-29" OBS_VALUE="370.22" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-12-28" OBS_VALUE="369.08" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-12-27" OBS_VALUE="370.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-24" OBS_VALUE="370.82" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-12-23" OBS_VALUE="369.84" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-12-22" OBS_VALUE="368.54" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-12-21" OBS_VALUE="368.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-12-20" OBS_VALUE="366.69" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-17" OBS_VALUE="367.57" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-12-16" OBS_VALUE="369.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-12-15" OBS_VALUE="369.09" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-12-14" OBS_VALUE="366.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-12-13" OBS_VALUE="367.07" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-10" OBS_VALUE="365.58" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-12-09" OBS_VALUE="365.81" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-12-08" OBS_VALUE="368.13" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-12-07" OBS_VALUE="365.88" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-12-06" OBS_VALUE="364.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-12-03" OBS_VALUE="363.86" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-12-02" OBS_VALUE="362.44" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-12-01" OBS_VALUE="363.78" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-11-30" OBS_VALUE="365.68" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2021-11-29" OBS_VALUE="368.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-26" OBS_VALUE="368.56" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-11-25" OBS_VALUE="366.61" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2021-11-24" OBS_VALUE="369.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-11-23" OBS_VALUE="370.91" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-11-22" OBS_VALUE="369.12" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-19" OBS_VALUE="367.8" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2021-11-18" OBS_VALUE="363.69" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-11-17" OBS_VALUE="364.73" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-11-16" OBS_VALUE="366.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-11-15" OBS_VALUE="365.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-12" OBS_VALUE="366.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-11-11" OBS_VALUE="364.8" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2021-11-10" OBS_VALUE="362.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-11-09" OBS_VALUE="360.99" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-11-08" OBS_VALUE="359.76" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-11-05" OBS_VALUE="359.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-11-04" OBS_VALUE="359.86" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-11-03" OBS_VALUE="358.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-11-02" OBS_VALUE="359.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-11-01" OBS_VALUE="360.48" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-29" OBS_VALUE="360.0" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2021-10-28" OBS_VALUE="363.33" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-10-27" OBS_VALUE="364.05" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-10-26" OBS_VALUE="365.29" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-10-25" OBS_VALUE="365.84" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-22" OBS_VALUE="363.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-10-21" OBS_VALUE="363.39" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-10-20" OBS_VALUE="361.59" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-10-19" OBS_VALUE="360.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-10-18" OBS_VALUE="361.35" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-15" OBS_VALUE="359.71" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-10-14" OBS_VALUE="359.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-10-13" OBS_VALUE="360.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-10-12" OBS_VALUE="359.91" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-10-11" OBS_VALUE="360.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-08" OBS_VALUE="360.19" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-10-07" OBS_VALUE="358.16" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-10-06" OBS_VALUE="359.43" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2021-10-05" OBS_VALUE="356.9" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-10-04" OBS_VALUE="355.9" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-10-01" OBS_VALUE="358.16" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-09-30" OBS_VALUE="360.19" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-29" OBS_VALUE="359.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-09-28" OBS_VALUE="359.39" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-09-27" OBS_VALUE="358.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-24" OBS_VALUE="356.99" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-23" OBS_VALUE="356.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-22" OBS_VALUE="355.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-21" OBS_VALUE="354.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-20" OBS_VALUE="353.97" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2021-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-17" OBS_VALUE="351.49" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-09-16" OBS_VALUE="350.19" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-09-15" OBS_VALUE="348.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-09-14" OBS_VALUE="350.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-09-13" OBS_VALUE="349.58" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-10" OBS_VALUE="349.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-09-09" OBS_VALUE="350.88" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-08" OBS_VALUE="350.14" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-09-07" OBS_VALUE="348.59" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-09-06" OBS_VALUE="347.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-09-03" OBS_VALUE="348.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-09-02" OBS_VALUE="347.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-09-01" OBS_VALUE="348.03" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-08-31" OBS_VALUE="348.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-30" OBS_VALUE="348.3" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2021-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-27" OBS_VALUE="350.87" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-08-26" OBS_VALUE="349.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-25" OBS_VALUE="348.76" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-08-24" OBS_VALUE="349.69" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-23" OBS_VALUE="350.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-20" OBS_VALUE="350.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-08-19" OBS_VALUE="350.98" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-18" OBS_VALUE="350.52" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-08-17" OBS_VALUE="351.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-08-16" OBS_VALUE="351.89" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-13" OBS_VALUE="353.03" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-12" OBS_VALUE="353.25" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-08-11" OBS_VALUE="354.84" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-08-10" OBS_VALUE="352.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-08-09" OBS_VALUE="353.87" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-08-06" OBS_VALUE="352.72" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-08-05" OBS_VALUE="353.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-04" OBS_VALUE="354.24" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-08-03" OBS_VALUE="354.59" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-08-02" OBS_VALUE="356.01" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-30" OBS_VALUE="357.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-07-29" OBS_VALUE="358.08" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-07-28" OBS_VALUE="359.72" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-07-27" OBS_VALUE="359.43" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-07-26" OBS_VALUE="361.65" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2021-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-23" OBS_VALUE="359.13" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-07-22" OBS_VALUE="357.87" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-07-21" OBS_VALUE="360.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-07-20" OBS_VALUE="359.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-07-19" OBS_VALUE="359.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-16" OBS_VALUE="359.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-07-15" OBS_VALUE="359.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-07-14" OBS_VALUE="358.08" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-07-13" OBS_VALUE="356.67" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-07-12" OBS_VALUE="355.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-09" OBS_VALUE="355.1" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2021-07-08" OBS_VALUE="358.57" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2021-07-07" OBS_VALUE="355.57" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-07-06" OBS_VALUE="353.4" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-07-05" OBS_VALUE="351.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-07-02" OBS_VALUE="352.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-07-01" OBS_VALUE="351.86" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-06-30" OBS_VALUE="351.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-06-29" OBS_VALUE="351.11" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-06-28" OBS_VALUE="351.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-25" OBS_VALUE="351.88" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-06-24" OBS_VALUE="350.52" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-06-23" OBS_VALUE="349.34" BBK_DIFF="-1.6"/>
      <bbk:Obs TIME_PERIOD="2021-06-22" OBS_VALUE="355.16" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-06-21" OBS_VALUE="354.11" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-18" OBS_VALUE="355.41" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-06-17" OBS_VALUE="354.3" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2021-06-16" OBS_VALUE="351.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-06-15" OBS_VALUE="352.08" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-06-14" OBS_VALUE="351.14" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2021-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-11" OBS_VALUE="346.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-06-10" OBS_VALUE="346.14" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-06-09" OBS_VALUE="347.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-06-08" OBS_VALUE="347.86" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-06-07" OBS_VALUE="345.91" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-06-04" OBS_VALUE="346.56" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-06-03" OBS_VALUE="345.82" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-06-02" OBS_VALUE="346.06" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-06-01" OBS_VALUE="346.46" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-05-31" OBS_VALUE="347.61" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-28" OBS_VALUE="347.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-05-27" OBS_VALUE="348.54" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-05-26" OBS_VALUE="350.56" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-05-25" OBS_VALUE="348.86" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-05-24" OBS_VALUE="347.47" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-21" OBS_VALUE="349.11" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-05-20" OBS_VALUE="350.6" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-05-19" OBS_VALUE="350.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-05-18" OBS_VALUE="350.5" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2021-05-17" OBS_VALUE="352.9" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2021-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-14" OBS_VALUE="355.52" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-05-13" OBS_VALUE="357.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-05-12" OBS_VALUE="357.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-05-11" OBS_VALUE="358.34" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-05-10" OBS_VALUE="357.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-07" OBS_VALUE="358.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-05-06" OBS_VALUE="358.18" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-05-05" OBS_VALUE="359.65" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-05-04" OBS_VALUE="360.31" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-05-03" OBS_VALUE="359.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-30" OBS_VALUE="359.86" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-04-29" OBS_VALUE="360.39" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-04-28" OBS_VALUE="361.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-04-27" OBS_VALUE="362.77" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-04-26" OBS_VALUE="363.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-23" OBS_VALUE="363.47" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-04-22" OBS_VALUE="363.52" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-04-21" OBS_VALUE="362.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-04-20" OBS_VALUE="361.11" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-04-19" OBS_VALUE="360.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-16" OBS_VALUE="361.1" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-04-15" OBS_VALUE="358.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-04-14" OBS_VALUE="358.61" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-04-13" OBS_VALUE="359.44" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2021-04-12" OBS_VALUE="356.43" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-09" OBS_VALUE="357.97" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-04-08" OBS_VALUE="358.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-04-07" OBS_VALUE="359.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-04-06" OBS_VALUE="360.31" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-04-01" OBS_VALUE="361.84" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-03-31" OBS_VALUE="363.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-03-30" OBS_VALUE="363.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-03-29" OBS_VALUE="362.32" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-26" OBS_VALUE="363.58" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-03-25" OBS_VALUE="364.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-03-24" OBS_VALUE="364.93" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-03-23" OBS_VALUE="366.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-22" OBS_VALUE="366.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-19" OBS_VALUE="367.94" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-18" OBS_VALUE="368.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-17" OBS_VALUE="367.74" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-16" OBS_VALUE="367.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-15" OBS_VALUE="367.63" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-12" OBS_VALUE="366.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-11" OBS_VALUE="365.88" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-03-10" OBS_VALUE="367.48" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-03-09" OBS_VALUE="366.83" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-03-08" OBS_VALUE="367.19" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-03-05" OBS_VALUE="366.29" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-03-04" OBS_VALUE="364.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-03-03" OBS_VALUE="363.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-03-02" OBS_VALUE="363.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-03-01" OBS_VALUE="362.86" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-26" OBS_VALUE="361.43" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-02-25" OBS_VALUE="360.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-24" OBS_VALUE="359.74" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-02-23" OBS_VALUE="359.14" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-02-22" OBS_VALUE="359.09" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-19" OBS_VALUE="358.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-18" OBS_VALUE="358.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-17" OBS_VALUE="359.03" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-16" OBS_VALUE="358.51" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-15" OBS_VALUE="358.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-12" OBS_VALUE="358.87" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-02-11" OBS_VALUE="357.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-10" OBS_VALUE="357.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2021-02-09" OBS_VALUE="358.88" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-02-08" OBS_VALUE="358.33" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-02-05" OBS_VALUE="356.58" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-02-04" OBS_VALUE="355.59" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-02-03" OBS_VALUE="355.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-02-02" OBS_VALUE="355.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-02-01" OBS_VALUE="356.35" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2021-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-29" OBS_VALUE="358.39" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-01-28" OBS_VALUE="360.34" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-01-27" OBS_VALUE="360.9" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2021-01-26" OBS_VALUE="358.61" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2021-01-25" OBS_VALUE="357.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2021-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-22" OBS_VALUE="357.61" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-01-21" OBS_VALUE="357.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-01-20" OBS_VALUE="357.38" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-01-19" OBS_VALUE="358.52" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2021-01-18" OBS_VALUE="360.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-15" OBS_VALUE="359.99" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2021-01-14" OBS_VALUE="359.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2021-01-13" OBS_VALUE="360.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2021-01-12" OBS_VALUE="359.66" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-01-11" OBS_VALUE="360.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2021-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-08" OBS_VALUE="359.62" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2021-01-07" OBS_VALUE="357.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2021-01-06" OBS_VALUE="357.86" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2021-01-05" OBS_VALUE="360.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2021-01-04" OBS_VALUE="361.32" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2021-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2021-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-31" OBS_VALUE="363.89" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-12-30" OBS_VALUE="364.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-29" OBS_VALUE="364.53" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-12-28" OBS_VALUE="363.46" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-24" OBS_VALUE="361.62" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-12-23" OBS_VALUE="362.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-22" OBS_VALUE="362.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-12-21" OBS_VALUE="360.93" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2020-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-18" OBS_VALUE="357.24" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2020-12-17" OBS_VALUE="355.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-16" OBS_VALUE="355.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-15" OBS_VALUE="355.32" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-12-14" OBS_VALUE="353.63" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-11" OBS_VALUE="354.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-10" OBS_VALUE="355.24" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-12-09" OBS_VALUE="356.64" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2020-12-08" OBS_VALUE="360.1" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-12-07" OBS_VALUE="359.49" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-12-04" OBS_VALUE="358.57" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-12-03" OBS_VALUE="357.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-02" OBS_VALUE="357.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-12-01" OBS_VALUE="357.2" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2020-11-30" OBS_VALUE="359.59" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2020-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-27" OBS_VALUE="362.32" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-11-26" OBS_VALUE="361.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-11-25" OBS_VALUE="361.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-11-24" OBS_VALUE="361.35" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-11-23" OBS_VALUE="360.21" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-20" OBS_VALUE="359.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-11-19" OBS_VALUE="360.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-11-18" OBS_VALUE="360.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-11-17" OBS_VALUE="361.5" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2020-11-16" OBS_VALUE="358.16" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2020-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-13" OBS_VALUE="355.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-11-12" OBS_VALUE="355.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-11-11" OBS_VALUE="356.02" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-11-10" OBS_VALUE="357.36" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-11-09" OBS_VALUE="356.98" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-11-06" OBS_VALUE="359.02" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-11-05" OBS_VALUE="357.83" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2020-11-04" OBS_VALUE="362.42" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-11-03" OBS_VALUE="363.82" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2020-11-02" OBS_VALUE="366.24" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-30" OBS_VALUE="367.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-10-29" OBS_VALUE="368.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-28" OBS_VALUE="367.11" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-10-27" OBS_VALUE="365.41" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-10-26" OBS_VALUE="365.02" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-23" OBS_VALUE="364.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-10-22" OBS_VALUE="364.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-21" OBS_VALUE="364.01" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2020-10-20" OBS_VALUE="365.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-19" OBS_VALUE="365.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-16" OBS_VALUE="364.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-10-15" OBS_VALUE="364.58" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-10-14" OBS_VALUE="363.49" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2020-10-13" OBS_VALUE="360.2" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2020-10-12" OBS_VALUE="356.83" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-09" OBS_VALUE="356.28" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-10-08" OBS_VALUE="357.48" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2020-10-07" OBS_VALUE="359.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-10-06" OBS_VALUE="359.72" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-10-05" OBS_VALUE="358.17" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-10-02" OBS_VALUE="358.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-10-01" OBS_VALUE="359.89" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2020-09-30" OBS_VALUE="365.53" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-09-29" OBS_VALUE="365.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-09-28" OBS_VALUE="364.12" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-25" OBS_VALUE="363.16" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-09-24" OBS_VALUE="364.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-09-23" OBS_VALUE="365.01" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2020-09-22" OBS_VALUE="362.05" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-09-21" OBS_VALUE="363.08" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2020-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-18" OBS_VALUE="360.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-09-17" OBS_VALUE="361.16" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2020-09-16" OBS_VALUE="358.54" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-09-15" OBS_VALUE="357.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-09-14" OBS_VALUE="357.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-11" OBS_VALUE="357.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-09-10" OBS_VALUE="357.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-09-09" OBS_VALUE="357.7" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2020-09-08" OBS_VALUE="361.37" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-09-07" OBS_VALUE="359.92" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-09-04" OBS_VALUE="359.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-09-03" OBS_VALUE="358.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-09-02" OBS_VALUE="358.77" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2020-09-01" OBS_VALUE="354.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-08-31" OBS_VALUE="354.54" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-28" OBS_VALUE="355.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-08-27" OBS_VALUE="355.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-08-26" OBS_VALUE="354.74" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-08-25" OBS_VALUE="353.46" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2020-08-24" OBS_VALUE="350.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-21" OBS_VALUE="350.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-08-20" OBS_VALUE="350.39" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-08-19" OBS_VALUE="349.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-08-18" OBS_VALUE="349.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-08-17" OBS_VALUE="348.53" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2020-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-14" OBS_VALUE="346.11" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-08-13" OBS_VALUE="344.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-08-12" OBS_VALUE="345.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-08-11" OBS_VALUE="345.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-08-10" OBS_VALUE="345.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-07" OBS_VALUE="345.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-08-06" OBS_VALUE="346.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-08-05" OBS_VALUE="344.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-08-04" OBS_VALUE="344.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-08-03" OBS_VALUE="345.72" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-31" OBS_VALUE="344.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-07-30" OBS_VALUE="345.6" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-07-29" OBS_VALUE="347.67" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-07-28" OBS_VALUE="346.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-07-27" OBS_VALUE="345.91" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-24" OBS_VALUE="346.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-07-23" OBS_VALUE="347.31" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-07-22" OBS_VALUE="349.27" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-07-21" OBS_VALUE="350.64" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2020-07-20" OBS_VALUE="352.56" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-17" OBS_VALUE="353.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-07-16" OBS_VALUE="354.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-07-15" OBS_VALUE="353.25" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-07-14" OBS_VALUE="355.48" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-07-13" OBS_VALUE="353.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-10" OBS_VALUE="353.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-07-09" OBS_VALUE="354.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-07-08" OBS_VALUE="355.49" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-07-07" OBS_VALUE="353.62" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-07-06" OBS_VALUE="352.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-07-03" OBS_VALUE="352.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-07-02" OBS_VALUE="351.59" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2020-07-01" OBS_VALUE="354.5" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-06-30" OBS_VALUE="356.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-29" OBS_VALUE="356.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-26" OBS_VALUE="355.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-06-25" OBS_VALUE="354.35" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2020-06-24" OBS_VALUE="351.58" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-23" OBS_VALUE="350.43" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-22" OBS_VALUE="346.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-19" OBS_VALUE="345.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-18" OBS_VALUE="345.94" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-06-17" OBS_VALUE="344.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-16" OBS_VALUE="345.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-06-15" OBS_VALUE="347.06" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-12" OBS_VALUE="346.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-11" OBS_VALUE="344.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-06-10" OBS_VALUE="343.13" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2020-06-09" OBS_VALUE="345.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-06-08" OBS_VALUE="344.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-06-05" OBS_VALUE="344.62" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-04" OBS_VALUE="344.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-06-03" OBS_VALUE="345.89" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-02" OBS_VALUE="345.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-06-01" OBS_VALUE="345.45" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2020-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-29" OBS_VALUE="348.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-05-28" OBS_VALUE="349.74" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-05-27" OBS_VALUE="348.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-05-26" OBS_VALUE="349.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-05-25" OBS_VALUE="350.72" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-22" OBS_VALUE="349.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-05-21" OBS_VALUE="348.59" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-05-20" OBS_VALUE="350.61" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-05-19" OBS_VALUE="350.35" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2020-05-18" OBS_VALUE="353.39" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-15" OBS_VALUE="354.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-05-14" OBS_VALUE="354.66" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-05-13" OBS_VALUE="353.58" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2020-05-12" OBS_VALUE="350.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-05-11" OBS_VALUE="349.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-08" OBS_VALUE="349.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-05-07" OBS_VALUE="349.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-05-06" OBS_VALUE="349.59" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-05-05" OBS_VALUE="350.27" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2020-05-04" OBS_VALUE="353.27" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-30" OBS_VALUE="352.72" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2020-04-29" OBS_VALUE="355.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-04-28" OBS_VALUE="355.94" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-04-27" OBS_VALUE="354.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-24" OBS_VALUE="355.19" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2020-04-23" OBS_VALUE="357.51" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2020-04-22" OBS_VALUE="355.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-04-21" OBS_VALUE="355.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-04-20" OBS_VALUE="354.57" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2020-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-17" OBS_VALUE="351.81" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2020-04-16" OBS_VALUE="349.56" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-04-15" OBS_VALUE="350.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-04-14" OBS_VALUE="350.7" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2020-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-09" OBS_VALUE="354.76" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2020-04-08" OBS_VALUE="359.34" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-04-07" OBS_VALUE="357.62" BBK_DIFF="-2.1"/>
      <bbk:Obs TIME_PERIOD="2020-04-06" OBS_VALUE="365.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-04-03" OBS_VALUE="365.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-04-02" OBS_VALUE="363.73" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2020-04-01" OBS_VALUE="369.36" BBK_DIFF="2.6"/>
      <bbk:Obs TIME_PERIOD="2020-03-31" OBS_VALUE="360.02" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-03-30" OBS_VALUE="358.72" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2020-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-27" OBS_VALUE="355.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-26" OBS_VALUE="354.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-03-25" OBS_VALUE="354.97" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-03-24" OBS_VALUE="353.07" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-23" OBS_VALUE="352.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-20" OBS_VALUE="350.91" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2020-03-19" OBS_VALUE="356.06" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2020-03-18" OBS_VALUE="351.38" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2020-03-17" OBS_VALUE="347.04" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2020-03-16" OBS_VALUE="344.97" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2020-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-13" OBS_VALUE="338.88" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-12" OBS_VALUE="338.37" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2020-03-11" OBS_VALUE="335.46" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-10" OBS_VALUE="336.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2020-03-09" OBS_VALUE="336.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-03-06" OBS_VALUE="335.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-03-05" OBS_VALUE="335.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-04" OBS_VALUE="334.96" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2020-03-03" OBS_VALUE="336.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-03-02" OBS_VALUE="336.92" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-28" OBS_VALUE="337.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-02-27" OBS_VALUE="338.37" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-02-26" OBS_VALUE="339.28" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2020-02-25" OBS_VALUE="337.41" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-02-24" OBS_VALUE="337.61" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-21" OBS_VALUE="337.1" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-02-20" OBS_VALUE="338.0" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-02-19" OBS_VALUE="336.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-02-18" OBS_VALUE="334.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-02-17" OBS_VALUE="334.64" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-14" OBS_VALUE="335.67" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-02-13" OBS_VALUE="337.12" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2020-02-12" OBS_VALUE="339.49" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-02-11" OBS_VALUE="337.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-02-10" OBS_VALUE="337.37" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-07" OBS_VALUE="338.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-02-06" OBS_VALUE="336.76" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-02-05" OBS_VALUE="335.76" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-02-04" OBS_VALUE="336.32" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-02-03" OBS_VALUE="337.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-31" OBS_VALUE="337.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2020-01-30" OBS_VALUE="338.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-01-29" OBS_VALUE="337.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-01-28" OBS_VALUE="337.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-01-27" OBS_VALUE="337.53" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-24" OBS_VALUE="336.01" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-01-23" OBS_VALUE="337.19" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-01-22" OBS_VALUE="335.61" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-01-21" OBS_VALUE="335.32" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-01-20" OBS_VALUE="336.39" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-17" OBS_VALUE="335.59" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-01-16" OBS_VALUE="333.84" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2020-01-15" OBS_VALUE="332.94" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-01-14" OBS_VALUE="332.77" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2020-01-13" OBS_VALUE="334.29" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2020-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-10" OBS_VALUE="333.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-01-09" OBS_VALUE="332.51" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2020-01-08" OBS_VALUE="331.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2020-01-07" OBS_VALUE="331.28" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2020-01-06" OBS_VALUE="329.66" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2020-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2020-01-03" OBS_VALUE="330.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2020-01-02" OBS_VALUE="329.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2020-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-31" OBS_VALUE="330.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-30" OBS_VALUE="331.04" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-27" OBS_VALUE="330.83" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-24" OBS_VALUE="331.76" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-23" OBS_VALUE="331.24" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-20" OBS_VALUE="330.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-12-19" OBS_VALUE="330.52" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-12-18" OBS_VALUE="330.77" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-12-17" OBS_VALUE="329.71" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-16" OBS_VALUE="329.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-13" OBS_VALUE="328.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-12" OBS_VALUE="329.4" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-12-11" OBS_VALUE="330.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-12-10" OBS_VALUE="330.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-09" OBS_VALUE="331.58" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-12-06" OBS_VALUE="330.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-05" OBS_VALUE="330.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-12-04" OBS_VALUE="331.01" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-12-03" OBS_VALUE="331.75" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-12-02" OBS_VALUE="332.98" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-29" OBS_VALUE="333.82" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2019-11-28" OBS_VALUE="336.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-27" OBS_VALUE="335.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-26" OBS_VALUE="336.16" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-25" OBS_VALUE="335.23" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-22" OBS_VALUE="334.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-11-21" OBS_VALUE="333.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-20" OBS_VALUE="333.41" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-11-19" OBS_VALUE="334.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-18" OBS_VALUE="335.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-15" OBS_VALUE="334.8" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-14" OBS_VALUE="333.87" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-13" OBS_VALUE="334.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-12" OBS_VALUE="334.39" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-11-11" OBS_VALUE="334.35" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-08" OBS_VALUE="333.37" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-11-07" OBS_VALUE="332.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-06" OBS_VALUE="331.68" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2019-11-05" OBS_VALUE="329.84" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-11-04" OBS_VALUE="328.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-11-01" OBS_VALUE="328.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-10-31" OBS_VALUE="328.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-30" OBS_VALUE="329.72" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-29" OBS_VALUE="328.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-28" OBS_VALUE="328.16" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-25" OBS_VALUE="328.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-10-24" OBS_VALUE="329.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-10-23" OBS_VALUE="329.11" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-22" OBS_VALUE="329.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-10-21" OBS_VALUE="329.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-18" OBS_VALUE="330.62" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-17" OBS_VALUE="331.59" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-10-16" OBS_VALUE="333.02" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-15" OBS_VALUE="332.38" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-14" OBS_VALUE="331.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-11" OBS_VALUE="331.71" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-10-10" OBS_VALUE="333.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-09" OBS_VALUE="334.04" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-08" OBS_VALUE="334.57" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-07" OBS_VALUE="333.64" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-10-04" OBS_VALUE="332.76" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-10-03" OBS_VALUE="333.02" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-10-02" OBS_VALUE="334.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-10-01" OBS_VALUE="334.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-09-30" OBS_VALUE="334.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-27" OBS_VALUE="335.54" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-26" OBS_VALUE="334.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-09-25" OBS_VALUE="334.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-09-24" OBS_VALUE="335.17" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-23" OBS_VALUE="334.62" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2019-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-20" OBS_VALUE="332.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-09-19" OBS_VALUE="332.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-09-18" OBS_VALUE="332.89" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-09-17" OBS_VALUE="333.96" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2019-09-16" OBS_VALUE="331.92" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-13" OBS_VALUE="331.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-12" OBS_VALUE="330.93" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-09-11" OBS_VALUE="332.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-10" OBS_VALUE="331.61" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2019-09-09" OBS_VALUE="329.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-09-06" OBS_VALUE="330.11" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-05" OBS_VALUE="329.47" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-04" OBS_VALUE="328.94" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-09-03" OBS_VALUE="330.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-09-02" OBS_VALUE="331.34" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-30" OBS_VALUE="331.07" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-08-29" OBS_VALUE="330.26" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-08-28" OBS_VALUE="330.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-08-27" OBS_VALUE="328.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-08-26" OBS_VALUE="329.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-23" OBS_VALUE="328.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-08-22" OBS_VALUE="327.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-08-21" OBS_VALUE="327.31" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-08-20" OBS_VALUE="327.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2019-08-19" OBS_VALUE="325.76" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-16" OBS_VALUE="324.78" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-08-15" OBS_VALUE="326.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-08-14" OBS_VALUE="325.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-08-13" OBS_VALUE="323.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-08-12" OBS_VALUE="324.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-09" OBS_VALUE="324.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-08-08" OBS_VALUE="325.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-08-07" OBS_VALUE="325.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-08-06" OBS_VALUE="325.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-08-05" OBS_VALUE="326.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-08-02" OBS_VALUE="326.96" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-08-01" OBS_VALUE="326.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-07-31" OBS_VALUE="326.48" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-07-30" OBS_VALUE="327.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-29" OBS_VALUE="327.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-26" OBS_VALUE="326.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-07-25" OBS_VALUE="325.21" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-07-24" OBS_VALUE="325.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-23" OBS_VALUE="325.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-07-22" OBS_VALUE="324.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-19" OBS_VALUE="325.36" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-07-18" OBS_VALUE="326.46" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-17" OBS_VALUE="326.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-07-16" OBS_VALUE="325.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-15" OBS_VALUE="325.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-12" OBS_VALUE="325.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-07-11" OBS_VALUE="325.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-07-10" OBS_VALUE="325.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-09" OBS_VALUE="325.46" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-07-08" OBS_VALUE="324.66" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-07-05" OBS_VALUE="323.41" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-07-04" OBS_VALUE="322.82" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-03" OBS_VALUE="322.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-07-02" OBS_VALUE="322.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-07-01" OBS_VALUE="322.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-28" OBS_VALUE="323.39" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-27" OBS_VALUE="323.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-06-26" OBS_VALUE="323.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-06-25" OBS_VALUE="324.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-24" OBS_VALUE="324.29" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-21" OBS_VALUE="323.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-20" OBS_VALUE="323.58" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-19" OBS_VALUE="323.97" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2019-06-18" OBS_VALUE="322.31" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-06-17" OBS_VALUE="322.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-14" OBS_VALUE="321.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-13" OBS_VALUE="322.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-06-12" OBS_VALUE="321.43" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-06-11" OBS_VALUE="320.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-10" OBS_VALUE="320.21" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-07" OBS_VALUE="321.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-06" OBS_VALUE="321.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-06-05" OBS_VALUE="321.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-06-04" OBS_VALUE="322.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-06-03" OBS_VALUE="323.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-31" OBS_VALUE="324.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-05-30" OBS_VALUE="324.74" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-05-29" OBS_VALUE="326.47" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-05-28" OBS_VALUE="326.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-27" OBS_VALUE="325.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-24" OBS_VALUE="325.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-23" OBS_VALUE="326.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-05-22" OBS_VALUE="326.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-05-21" OBS_VALUE="326.52" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-05-20" OBS_VALUE="325.77" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-17" OBS_VALUE="326.38" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2019-05-16" OBS_VALUE="324.28" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-15" OBS_VALUE="325.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-14" OBS_VALUE="324.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-05-13" OBS_VALUE="323.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-10" OBS_VALUE="323.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-05-09" OBS_VALUE="323.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-08" OBS_VALUE="324.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-05-07" OBS_VALUE="324.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-06" OBS_VALUE="323.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-05-03" OBS_VALUE="323.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-05-02" OBS_VALUE="324.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-30" OBS_VALUE="322.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-29" OBS_VALUE="322.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-26" OBS_VALUE="322.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-25" OBS_VALUE="322.41" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-04-24" OBS_VALUE="321.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-04-23" OBS_VALUE="320.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-18" OBS_VALUE="320.09" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-17" OBS_VALUE="319.69" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-04-16" OBS_VALUE="319.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-15" OBS_VALUE="320.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-12" OBS_VALUE="321.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-11" OBS_VALUE="321.71" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-04-10" OBS_VALUE="321.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-09" OBS_VALUE="321.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-04-08" OBS_VALUE="321.54" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-04-05" OBS_VALUE="320.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-04-04" OBS_VALUE="319.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-04-03" OBS_VALUE="320.05" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-04-02" OBS_VALUE="321.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-04-01" OBS_VALUE="321.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-29" OBS_VALUE="321.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-03-28" OBS_VALUE="319.86" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-27" OBS_VALUE="319.97" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2019-03-26" OBS_VALUE="316.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-03-25" OBS_VALUE="316.84" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-22" OBS_VALUE="316.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2019-03-21" OBS_VALUE="314.57" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-03-20" OBS_VALUE="313.29" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-19" OBS_VALUE="313.22" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-03-18" OBS_VALUE="314.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-15" OBS_VALUE="314.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-14" OBS_VALUE="314.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-03-13" OBS_VALUE="314.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-03-12" OBS_VALUE="315.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-03-11" OBS_VALUE="315.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-08" OBS_VALUE="315.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-03-07" OBS_VALUE="315.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-06" OBS_VALUE="315.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-03-05" OBS_VALUE="315.61" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-03-04" OBS_VALUE="315.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-03-01" OBS_VALUE="316.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-02-28" OBS_VALUE="315.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-27" OBS_VALUE="316.39" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-02-26" OBS_VALUE="317.06" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-02-25" OBS_VALUE="317.62" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-22" OBS_VALUE="318.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-02-21" OBS_VALUE="317.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-02-20" OBS_VALUE="317.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-02-19" OBS_VALUE="318.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-18" OBS_VALUE="318.01" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-15" OBS_VALUE="318.21" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-02-14" OBS_VALUE="319.07" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-02-13" OBS_VALUE="318.23" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-12" OBS_VALUE="317.79" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2019-02-11" OBS_VALUE="319.66" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-08" OBS_VALUE="318.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-02-07" OBS_VALUE="319.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-02-06" OBS_VALUE="318.63" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-02-05" OBS_VALUE="317.41" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-04" OBS_VALUE="317.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-02-01" OBS_VALUE="317.63" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2019-01-31" OBS_VALUE="315.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-01-30" OBS_VALUE="316.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-01-29" OBS_VALUE="317.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-28" OBS_VALUE="317.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-25" OBS_VALUE="318.26" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-24" OBS_VALUE="318.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-23" OBS_VALUE="318.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-01-22" OBS_VALUE="317.98" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-21" OBS_VALUE="317.71" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-18" OBS_VALUE="318.09" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2019-01-17" OBS_VALUE="320.07" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2019-01-16" OBS_VALUE="321.58" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2019-01-15" OBS_VALUE="322.8" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2019-01-14" OBS_VALUE="321.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-11" OBS_VALUE="321.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-10" OBS_VALUE="321.16" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2019-01-09" OBS_VALUE="321.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-08" OBS_VALUE="322.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2019-01-07" OBS_VALUE="321.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2019-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2019-01-04" OBS_VALUE="321.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2019-01-03" OBS_VALUE="322.41" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2019-01-02" OBS_VALUE="322.37" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2019-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-31" OBS_VALUE="320.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-28" OBS_VALUE="321.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-12-27" OBS_VALUE="321.56" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-24" OBS_VALUE="321.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-21" OBS_VALUE="321.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-12-20" OBS_VALUE="321.83" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-12-19" OBS_VALUE="322.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-18" OBS_VALUE="323.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-17" OBS_VALUE="323.32" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-14" OBS_VALUE="323.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-12-13" OBS_VALUE="323.14" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-12" OBS_VALUE="323.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-12-11" OBS_VALUE="323.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-10" OBS_VALUE="323.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-07" OBS_VALUE="323.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-06" OBS_VALUE="323.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-05" OBS_VALUE="323.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-04" OBS_VALUE="323.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-12-03" OBS_VALUE="322.76" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-30" OBS_VALUE="323.62" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-29" OBS_VALUE="323.42" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-11-28" OBS_VALUE="324.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-27" OBS_VALUE="324.06" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-11-26" OBS_VALUE="322.9" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-23" OBS_VALUE="322.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-11-22" OBS_VALUE="321.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-11-21" OBS_VALUE="321.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-20" OBS_VALUE="321.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-19" OBS_VALUE="321.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-16" OBS_VALUE="321.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-11-15" OBS_VALUE="321.99" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-11-14" OBS_VALUE="322.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-13" OBS_VALUE="322.89" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-11-12" OBS_VALUE="321.72" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-09" OBS_VALUE="321.31" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-11-08" OBS_VALUE="321.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-07" OBS_VALUE="321.76" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-06" OBS_VALUE="322.06" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-11-05" OBS_VALUE="322.44" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-11-02" OBS_VALUE="321.62" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-11-01" OBS_VALUE="322.96" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2018-10-31" OBS_VALUE="325.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-10-30" OBS_VALUE="324.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-29" OBS_VALUE="324.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-26" OBS_VALUE="324.41" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-25" OBS_VALUE="323.91" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-24" OBS_VALUE="323.22" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-10-23" OBS_VALUE="322.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-10-22" OBS_VALUE="323.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-19" OBS_VALUE="323.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-18" OBS_VALUE="322.42" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-10-17" OBS_VALUE="322.55" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-16" OBS_VALUE="322.06" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-10-15" OBS_VALUE="323.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-12" OBS_VALUE="324.15" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-10-11" OBS_VALUE="324.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-10-10" OBS_VALUE="325.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-10-09" OBS_VALUE="325.29" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-10-08" OBS_VALUE="324.94" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-10-05" OBS_VALUE="324.59" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-10-04" OBS_VALUE="324.43" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-10-03" OBS_VALUE="322.87" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-10-02" OBS_VALUE="323.47" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-10-01" OBS_VALUE="323.04" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-28" OBS_VALUE="324.37" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-09-27" OBS_VALUE="323.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-09-26" OBS_VALUE="323.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-25" OBS_VALUE="324.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-09-24" OBS_VALUE="323.49" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-21" OBS_VALUE="324.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-20" OBS_VALUE="323.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-19" OBS_VALUE="323.39" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-18" OBS_VALUE="323.82" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-09-17" OBS_VALUE="324.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-14" OBS_VALUE="323.63" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2018-09-13" OBS_VALUE="325.11" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-09-12" OBS_VALUE="325.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-09-11" OBS_VALUE="324.77" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-10" OBS_VALUE="325.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-07" OBS_VALUE="324.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2018-09-06" OBS_VALUE="326.49" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-09-05" OBS_VALUE="327.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-04" OBS_VALUE="327.51" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-09-03" OBS_VALUE="326.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-31" OBS_VALUE="326.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-08-30" OBS_VALUE="326.32" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-08-29" OBS_VALUE="324.63" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-08-28" OBS_VALUE="323.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-08-27" OBS_VALUE="323.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-24" OBS_VALUE="324.3" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-08-23" OBS_VALUE="323.82" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-08-22" OBS_VALUE="322.94" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-08-21" OBS_VALUE="323.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-08-20" OBS_VALUE="323.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-17" OBS_VALUE="323.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-08-16" OBS_VALUE="324.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-08-15" OBS_VALUE="324.93" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2018-08-14" OBS_VALUE="322.74" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-08-13" OBS_VALUE="323.9" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-10" OBS_VALUE="322.77" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2018-08-09" OBS_VALUE="320.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-08-08" OBS_VALUE="319.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-08-07" OBS_VALUE="319.94" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-08-06" OBS_VALUE="320.54" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-08-03" OBS_VALUE="320.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-08-02" OBS_VALUE="321.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-08-01" OBS_VALUE="321.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-07-31" OBS_VALUE="320.43" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2018-07-30" OBS_VALUE="322.02" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-27" OBS_VALUE="323.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-07-26" OBS_VALUE="324.43" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2018-07-25" OBS_VALUE="325.92" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-07-24" OBS_VALUE="326.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-07-23" OBS_VALUE="326.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-20" OBS_VALUE="325.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-07-19" OBS_VALUE="325.77" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2018-07-18" OBS_VALUE="323.94" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-07-17" OBS_VALUE="323.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-07-16" OBS_VALUE="322.14" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2018-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-13" OBS_VALUE="324.06" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-07-12" OBS_VALUE="325.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-07-11" OBS_VALUE="324.66" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-07-10" OBS_VALUE="324.84" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2018-07-09" OBS_VALUE="322.74" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2018-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-07-06" OBS_VALUE="324.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-07-05" OBS_VALUE="322.95" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2018-07-04" OBS_VALUE="325.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2018-07-03" OBS_VALUE="327.35" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2018-07-02" OBS_VALUE="329.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-29" OBS_VALUE="329.77" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-06-28" OBS_VALUE="328.07" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-06-27" OBS_VALUE="326.8" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-06-26" OBS_VALUE="326.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-06-25" OBS_VALUE="325.42" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-22" OBS_VALUE="324.05" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2018-06-21" OBS_VALUE="326.15" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2018-06-20" OBS_VALUE="324.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-06-19" OBS_VALUE="324.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-06-18" OBS_VALUE="323.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-15" OBS_VALUE="323.04" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2018-06-14" OBS_VALUE="321.09" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-06-13" OBS_VALUE="320.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-06-12" OBS_VALUE="319.89" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2018-06-11" OBS_VALUE="321.65" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2018-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-08" OBS_VALUE="319.7" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2018-06-07" OBS_VALUE="317.36" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-06-06" OBS_VALUE="318.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-06-05" OBS_VALUE="318.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-06-04" OBS_VALUE="318.64" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-06-01" OBS_VALUE="319.84" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-05-31" OBS_VALUE="318.89" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-30" OBS_VALUE="319.57" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-29" OBS_VALUE="320.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-28" OBS_VALUE="319.42" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-25" OBS_VALUE="319.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-24" OBS_VALUE="319.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-23" OBS_VALUE="319.53" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2018-05-22" OBS_VALUE="317.45" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2018-05-21" OBS_VALUE="319.4" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-18" OBS_VALUE="317.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-05-17" OBS_VALUE="316.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-16" OBS_VALUE="317.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-15" OBS_VALUE="316.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-05-14" OBS_VALUE="315.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-11" OBS_VALUE="314.97" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-05-10" OBS_VALUE="313.85" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-05-09" OBS_VALUE="315.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-08" OBS_VALUE="314.91" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-07" OBS_VALUE="314.34" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-05-04" OBS_VALUE="313.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-05-03" OBS_VALUE="314.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-05-02" OBS_VALUE="314.04" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-30" OBS_VALUE="313.55" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-27" OBS_VALUE="312.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-04-26" OBS_VALUE="312.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-25" OBS_VALUE="313.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-24" OBS_VALUE="312.83" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-04-23" OBS_VALUE="311.38" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-20" OBS_VALUE="310.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-04-19" OBS_VALUE="310.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-18" OBS_VALUE="310.16" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-04-17" OBS_VALUE="310.84" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-04-16" OBS_VALUE="310.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-13" OBS_VALUE="311.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-12" OBS_VALUE="311.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-11" OBS_VALUE="311.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-04-10" OBS_VALUE="311.82" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-09" OBS_VALUE="312.1" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-06" OBS_VALUE="312.56" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2018-04-05" OBS_VALUE="310.96" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-04-04" OBS_VALUE="311.67" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-04-03" OBS_VALUE="312.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-29" OBS_VALUE="312.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-28" OBS_VALUE="312.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-27" OBS_VALUE="312.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-26" OBS_VALUE="312.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-23" OBS_VALUE="312.9" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-03-22" OBS_VALUE="311.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-21" OBS_VALUE="311.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-20" OBS_VALUE="311.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-19" OBS_VALUE="310.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-16" OBS_VALUE="311.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-15" OBS_VALUE="311.07" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-03-14" OBS_VALUE="311.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-13" OBS_VALUE="311.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-12" OBS_VALUE="311.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-09" OBS_VALUE="311.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-08" OBS_VALUE="312.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-03-07" OBS_VALUE="311.74" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-03-06" OBS_VALUE="313.11" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-03-05" OBS_VALUE="313.76" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-03-02" OBS_VALUE="313.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-03-01" OBS_VALUE="313.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-02-28" OBS_VALUE="313.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-02-27" OBS_VALUE="313.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-02-26" OBS_VALUE="313.59" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-23" OBS_VALUE="312.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-02-22" OBS_VALUE="312.69" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-02-21" OBS_VALUE="312.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-02-20" OBS_VALUE="311.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-02-19" OBS_VALUE="311.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-16" OBS_VALUE="311.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-02-15" OBS_VALUE="311.68" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-02-14" OBS_VALUE="312.82" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-02-13" OBS_VALUE="312.16" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-02-12" OBS_VALUE="311.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-09" OBS_VALUE="312.08" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-02-08" OBS_VALUE="310.96" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2018-02-07" OBS_VALUE="309.81" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2018-02-06" OBS_VALUE="310.65" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-02-05" OBS_VALUE="309.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-02-02" OBS_VALUE="309.49" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-02-01" OBS_VALUE="310.06" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-31" OBS_VALUE="310.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-30" OBS_VALUE="310.38" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2018-01-29" OBS_VALUE="309.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-26" OBS_VALUE="309.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-25" OBS_VALUE="309.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-24" OBS_VALUE="309.01" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2018-01-23" OBS_VALUE="310.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-22" OBS_VALUE="309.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-19" OBS_VALUE="309.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-18" OBS_VALUE="308.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-17" OBS_VALUE="308.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-01-16" OBS_VALUE="308.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-01-15" OBS_VALUE="308.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-12" OBS_VALUE="308.74" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-11" OBS_VALUE="309.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-10" OBS_VALUE="309.92" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-09" OBS_VALUE="309.36" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-08" OBS_VALUE="308.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2018-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2018-01-05" OBS_VALUE="308.77" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2018-01-04" OBS_VALUE="308.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-03" OBS_VALUE="309.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2018-01-02" OBS_VALUE="308.59" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2018-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-29" OBS_VALUE="310.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-12-28" OBS_VALUE="310.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-27" OBS_VALUE="310.99" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-22" OBS_VALUE="311.82" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-21" OBS_VALUE="312.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-20" OBS_VALUE="312.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-19" OBS_VALUE="313.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-18" OBS_VALUE="313.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-15" OBS_VALUE="313.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-14" OBS_VALUE="314.07" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-13" OBS_VALUE="314.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-12-12" OBS_VALUE="314.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-11" OBS_VALUE="313.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-08" OBS_VALUE="314.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-07" OBS_VALUE="314.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-12-06" OBS_VALUE="314.45" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-05" OBS_VALUE="313.96" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-12-04" OBS_VALUE="313.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-12-01" OBS_VALUE="313.8" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-11-30" OBS_VALUE="312.77" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-11-29" OBS_VALUE="311.59" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-11-28" OBS_VALUE="310.99" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-11-27" OBS_VALUE="311.24" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-24" OBS_VALUE="311.83" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-11-23" OBS_VALUE="313.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-11-22" OBS_VALUE="313.54" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-11-21" OBS_VALUE="312.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-11-20" OBS_VALUE="312.44" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-17" OBS_VALUE="311.58" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-11-16" OBS_VALUE="312.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-11-15" OBS_VALUE="312.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-11-14" OBS_VALUE="311.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-11-13" OBS_VALUE="312.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-10" OBS_VALUE="312.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-11-09" OBS_VALUE="312.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-11-08" OBS_VALUE="311.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-11-07" OBS_VALUE="310.99" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-11-06" OBS_VALUE="311.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-11-03" OBS_VALUE="310.29" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-11-02" OBS_VALUE="310.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-11-01" OBS_VALUE="311.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-10-31" OBS_VALUE="311.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-30" OBS_VALUE="311.01" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-27" OBS_VALUE="311.23" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-10-26" OBS_VALUE="310.32" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-10-25" OBS_VALUE="310.16" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2017-10-24" OBS_VALUE="308.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-23" OBS_VALUE="308.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-20" OBS_VALUE="308.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-10-19" OBS_VALUE="308.51" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-10-18" OBS_VALUE="308.27" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-10-17" OBS_VALUE="307.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-10-16" OBS_VALUE="307.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-13" OBS_VALUE="308.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-12" OBS_VALUE="309.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-11" OBS_VALUE="309.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-10" OBS_VALUE="310.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2017-10-09" OBS_VALUE="312.32" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-10-06" OBS_VALUE="311.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-10-05" OBS_VALUE="311.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-10-04" OBS_VALUE="311.2" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-10-03" OBS_VALUE="312.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-02" OBS_VALUE="311.44" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-29" OBS_VALUE="310.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-09-28" OBS_VALUE="311.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-09-27" OBS_VALUE="311.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-09-26" OBS_VALUE="310.77" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-09-25" OBS_VALUE="310.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-22" OBS_VALUE="309.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-21" OBS_VALUE="310.61" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2017-09-20" OBS_VALUE="308.34" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-09-19" OBS_VALUE="308.85" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-18" OBS_VALUE="309.87" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-15" OBS_VALUE="308.91" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-09-14" OBS_VALUE="308.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-09-13" OBS_VALUE="308.02" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-12" OBS_VALUE="307.11" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-11" OBS_VALUE="306.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-08" OBS_VALUE="306.46" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-07" OBS_VALUE="305.69" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-09-06" OBS_VALUE="306.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-09-05" OBS_VALUE="306.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-09-04" OBS_VALUE="306.02" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-09-01" OBS_VALUE="305.09" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2017-08-31" OBS_VALUE="306.63" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-08-30" OBS_VALUE="305.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-08-29" OBS_VALUE="305.32" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-08-28" OBS_VALUE="304.01" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-25" OBS_VALUE="304.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-08-24" OBS_VALUE="304.17" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-08-23" OBS_VALUE="303.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-08-22" OBS_VALUE="303.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-08-21" OBS_VALUE="303.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-18" OBS_VALUE="303.56" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-08-17" OBS_VALUE="304.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-08-16" OBS_VALUE="304.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-08-15" OBS_VALUE="304.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-08-14" OBS_VALUE="304.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-11" OBS_VALUE="305.41" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-08-10" OBS_VALUE="305.37" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-08-09" OBS_VALUE="304.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-08-08" OBS_VALUE="304.49" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-08-07" OBS_VALUE="303.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-08-04" OBS_VALUE="304.36" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-08-03" OBS_VALUE="303.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-08-02" OBS_VALUE="303.86" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-08-01" OBS_VALUE="303.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-07-31" OBS_VALUE="304.62" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-28" OBS_VALUE="304.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-27" OBS_VALUE="304.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-07-26" OBS_VALUE="305.57" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-07-25" OBS_VALUE="305.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-24" OBS_VALUE="305.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-21" OBS_VALUE="305.37" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-20" OBS_VALUE="305.77" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-07-19" OBS_VALUE="306.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-18" OBS_VALUE="306.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-07-17" OBS_VALUE="306.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-14" OBS_VALUE="306.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-07-13" OBS_VALUE="307.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-07-12" OBS_VALUE="307.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-07-11" OBS_VALUE="308.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-07-10" OBS_VALUE="307.99" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-07" OBS_VALUE="308.38" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-07-06" OBS_VALUE="309.37" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-07-05" OBS_VALUE="308.16" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-07-04" OBS_VALUE="308.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-07-03" OBS_VALUE="309.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-30" OBS_VALUE="308.97" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-06-29" OBS_VALUE="310.06" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-06-28" OBS_VALUE="309.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-27" OBS_VALUE="309.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-26" OBS_VALUE="309.48" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-23" OBS_VALUE="309.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-22" OBS_VALUE="309.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-21" OBS_VALUE="309.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-20" OBS_VALUE="309.13" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2017-06-19" OBS_VALUE="307.09" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-16" OBS_VALUE="307.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-15" OBS_VALUE="307.79" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2017-06-14" OBS_VALUE="306.39" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-06-13" OBS_VALUE="306.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-06-12" OBS_VALUE="307.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-09" OBS_VALUE="307.32" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-06-08" OBS_VALUE="308.01" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-06-07" OBS_VALUE="308.66" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-06-06" OBS_VALUE="307.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-06-05" OBS_VALUE="307.22" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-06-02" OBS_VALUE="308.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-06-01" OBS_VALUE="307.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-31" OBS_VALUE="307.2" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2017-05-30" OBS_VALUE="308.63" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-05-29" OBS_VALUE="307.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-26" OBS_VALUE="307.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-05-25" OBS_VALUE="307.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-24" OBS_VALUE="308.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-23" OBS_VALUE="308.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-22" OBS_VALUE="308.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-19" OBS_VALUE="309.6" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-05-18" OBS_VALUE="310.69" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-05-17" OBS_VALUE="309.42" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-05-16" OBS_VALUE="309.54" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-15" OBS_VALUE="309.17" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-12" OBS_VALUE="310.24" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-11" OBS_VALUE="310.57" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-05-10" OBS_VALUE="310.59" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-05-09" OBS_VALUE="311.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-05-08" OBS_VALUE="311.24" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-05-05" OBS_VALUE="311.47" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-05-04" OBS_VALUE="312.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-05-03" OBS_VALUE="312.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-05-02" OBS_VALUE="312.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-28" OBS_VALUE="312.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-04-27" OBS_VALUE="312.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-04-26" OBS_VALUE="311.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-04-25" OBS_VALUE="311.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-04-24" OBS_VALUE="311.47" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2017-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-21" OBS_VALUE="314.18" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-20" OBS_VALUE="313.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-04-19" OBS_VALUE="313.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-18" OBS_VALUE="312.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-13" OBS_VALUE="312.55" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-12" OBS_VALUE="311.97" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-11" OBS_VALUE="311.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-04-10" OBS_VALUE="311.35" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-07" OBS_VALUE="310.36" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-06" OBS_VALUE="309.76" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-04-05" OBS_VALUE="309.91" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-04" OBS_VALUE="309.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-04-03" OBS_VALUE="308.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-31" OBS_VALUE="307.62" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2017-03-30" OBS_VALUE="309.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-29" OBS_VALUE="309.62" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-28" OBS_VALUE="309.19" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-03-27" OBS_VALUE="310.21" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-24" OBS_VALUE="309.81" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-03-23" OBS_VALUE="309.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-03-22" OBS_VALUE="309.16" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-03-21" OBS_VALUE="308.29" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-20" OBS_VALUE="308.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-17" OBS_VALUE="308.55" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2017-03-16" OBS_VALUE="310.04" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-03-15" OBS_VALUE="310.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-03-14" OBS_VALUE="311.32" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-03-13" OBS_VALUE="312.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-10" OBS_VALUE="312.27" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-03-09" OBS_VALUE="311.14" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-08" OBS_VALUE="310.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-03-07" OBS_VALUE="309.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-03-06" OBS_VALUE="309.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-03-03" OBS_VALUE="309.68" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-03-02" OBS_VALUE="308.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-03-01" OBS_VALUE="307.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-28" OBS_VALUE="308.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-02-27" OBS_VALUE="307.69" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-24" OBS_VALUE="308.59" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-23" OBS_VALUE="308.21" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-02-22" OBS_VALUE="307.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-02-21" OBS_VALUE="306.9" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2017-02-20" OBS_VALUE="308.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-17" OBS_VALUE="308.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-02-16" OBS_VALUE="308.24" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-15" OBS_VALUE="308.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-14" OBS_VALUE="308.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-02-13" OBS_VALUE="308.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-10" OBS_VALUE="308.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-09" OBS_VALUE="308.75" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-02-08" OBS_VALUE="309.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-07" OBS_VALUE="309.71" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-02-06" OBS_VALUE="309.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-02-03" OBS_VALUE="309.46" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-02-02" OBS_VALUE="308.85" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-02-01" OBS_VALUE="309.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-01-31" OBS_VALUE="310.64" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-01-30" OBS_VALUE="310.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-27" OBS_VALUE="311.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-26" OBS_VALUE="310.98" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2017-01-25" OBS_VALUE="309.72" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-24" OBS_VALUE="310.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-01-23" OBS_VALUE="309.82" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-20" OBS_VALUE="309.09" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-19" OBS_VALUE="308.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-18" OBS_VALUE="307.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-01-17" OBS_VALUE="307.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-01-16" OBS_VALUE="307.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-13" OBS_VALUE="307.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2017-01-12" OBS_VALUE="307.15" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2017-01-11" OBS_VALUE="309.45" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-10" OBS_VALUE="308.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-09" OBS_VALUE="308.21" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2017-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2017-01-06" OBS_VALUE="307.24" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2017-01-05" OBS_VALUE="308.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2017-01-04" OBS_VALUE="308.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-03" OBS_VALUE="308.94" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-01-02" OBS_VALUE="309.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-30" OBS_VALUE="309.83" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-12-29" OBS_VALUE="310.09" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-12-28" OBS_VALUE="309.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-12-27" OBS_VALUE="309.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-23" OBS_VALUE="309.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-22" OBS_VALUE="310.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-12-21" OBS_VALUE="310.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-20" OBS_VALUE="310.98" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-12-19" OBS_VALUE="311.79" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-16" OBS_VALUE="312.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-15" OBS_VALUE="313.17" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-12-14" OBS_VALUE="314.89" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-13" OBS_VALUE="314.31" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-12-12" OBS_VALUE="314.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-09" OBS_VALUE="314.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-12-08" OBS_VALUE="314.29" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-12-07" OBS_VALUE="312.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-06" OBS_VALUE="313.49" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-12-05" OBS_VALUE="313.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-12-02" OBS_VALUE="313.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-12-01" OBS_VALUE="313.96" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2016-11-30" OBS_VALUE="311.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-11-29" OBS_VALUE="311.48" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-11-28" OBS_VALUE="310.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-25" OBS_VALUE="309.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-11-24" OBS_VALUE="310.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-11-23" OBS_VALUE="310.04" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-11-22" OBS_VALUE="308.89" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-11-21" OBS_VALUE="309.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-18" OBS_VALUE="309.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-11-17" OBS_VALUE="309.36" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-11-16" OBS_VALUE="310.59" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-11-15" OBS_VALUE="309.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-11-14" OBS_VALUE="310.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-11" OBS_VALUE="309.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2016-11-10" OBS_VALUE="307.3" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2016-11-09" OBS_VALUE="304.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-11-08" OBS_VALUE="305.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-11-07" OBS_VALUE="306.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-11-04" OBS_VALUE="306.13" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2016-11-03" OBS_VALUE="307.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-11-02" OBS_VALUE="308.06" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-11-01" OBS_VALUE="307.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-10-31" OBS_VALUE="308.44" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-28" OBS_VALUE="309.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-10-27" OBS_VALUE="309.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-10-26" OBS_VALUE="309.09" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-10-25" OBS_VALUE="308.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-10-24" OBS_VALUE="308.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-21" OBS_VALUE="308.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-10-20" OBS_VALUE="307.54" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-10-19" OBS_VALUE="307.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-10-18" OBS_VALUE="306.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-10-17" OBS_VALUE="306.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2016-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-14" OBS_VALUE="305.31" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-10-13" OBS_VALUE="306.48" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-10-12" OBS_VALUE="306.05" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2016-10-11" OBS_VALUE="304.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-10-10" OBS_VALUE="304.65" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-07" OBS_VALUE="303.86" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-10-06" OBS_VALUE="305.07" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-10-05" OBS_VALUE="305.85" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-10-04" OBS_VALUE="307.42" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-10-03" OBS_VALUE="308.18" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-30" OBS_VALUE="309.79" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-09-29" OBS_VALUE="308.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-09-28" OBS_VALUE="307.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-09-27" OBS_VALUE="306.94" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-09-26" OBS_VALUE="306.52" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-23" OBS_VALUE="305.51" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-09-22" OBS_VALUE="306.37" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2016-09-21" OBS_VALUE="308.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-09-20" OBS_VALUE="309.12" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-09-19" OBS_VALUE="307.76" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-16" OBS_VALUE="309.14" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-09-15" OBS_VALUE="310.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-09-14" OBS_VALUE="309.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-09-13" OBS_VALUE="309.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-09-12" OBS_VALUE="309.98" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-09" OBS_VALUE="308.61" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-09-08" OBS_VALUE="308.06" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-09-07" OBS_VALUE="308.65" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-09-06" OBS_VALUE="309.8" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-09-05" OBS_VALUE="309.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-09-02" OBS_VALUE="310.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-09-01" OBS_VALUE="310.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-31" OBS_VALUE="310.34" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-08-30" OBS_VALUE="308.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-29" OBS_VALUE="308.76" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-26" OBS_VALUE="308.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-08-25" OBS_VALUE="309.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-24" OBS_VALUE="309.99" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-08-23" OBS_VALUE="310.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-22" OBS_VALUE="310.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-19" OBS_VALUE="310.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-08-18" OBS_VALUE="310.42" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-17" OBS_VALUE="310.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-08-16" OBS_VALUE="309.91" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-15" OBS_VALUE="309.49" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-12" OBS_VALUE="310.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-11" OBS_VALUE="310.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-08-10" OBS_VALUE="310.41" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-08-09" OBS_VALUE="310.37" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-08-08" OBS_VALUE="311.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-08-05" OBS_VALUE="310.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-08-04" OBS_VALUE="311.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-08-03" OBS_VALUE="311.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-08-02" OBS_VALUE="311.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-08-01" OBS_VALUE="311.01" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-29" OBS_VALUE="312.19" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-07-28" OBS_VALUE="312.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-07-27" OBS_VALUE="313.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-26" OBS_VALUE="313.16" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-07-25" OBS_VALUE="312.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-22" OBS_VALUE="313.34" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-07-21" OBS_VALUE="314.61" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-20" OBS_VALUE="315.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-19" OBS_VALUE="314.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-18" OBS_VALUE="315.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-15" OBS_VALUE="314.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-07-14" OBS_VALUE="313.64" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-13" OBS_VALUE="313.39" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-07-12" OBS_VALUE="313.94" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-07-11" OBS_VALUE="313.07" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-08" OBS_VALUE="314.08" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-07-07" OBS_VALUE="315.52" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-07-06" OBS_VALUE="316.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-05" OBS_VALUE="316.33" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-07-04" OBS_VALUE="316.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-07-01" OBS_VALUE="316.52" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-06-30" OBS_VALUE="317.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-06-29" OBS_VALUE="316.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-06-28" OBS_VALUE="317.67" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-06-27" OBS_VALUE="318.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-24" OBS_VALUE="317.9" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2016-06-23" OBS_VALUE="314.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-06-22" OBS_VALUE="314.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-06-21" OBS_VALUE="314.08" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-06-20" OBS_VALUE="312.92" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-17" OBS_VALUE="314.26" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-06-16" OBS_VALUE="315.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-06-15" OBS_VALUE="313.86" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-06-14" OBS_VALUE="313.96" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2016-06-13" OBS_VALUE="312.37" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-10" OBS_VALUE="311.39" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-06-09" OBS_VALUE="311.44" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-06-08" OBS_VALUE="310.09" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-06-07" OBS_VALUE="310.48" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-06-06" OBS_VALUE="311.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-06-03" OBS_VALUE="312.44" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-06-02" OBS_VALUE="313.02" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-06-01" OBS_VALUE="314.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-05-31" OBS_VALUE="314.11" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-30" OBS_VALUE="313.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-27" OBS_VALUE="314.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-26" OBS_VALUE="314.39" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-05-25" OBS_VALUE="314.29" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-05-24" OBS_VALUE="316.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-05-23" OBS_VALUE="317.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-20" OBS_VALUE="316.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-19" OBS_VALUE="316.62" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-05-18" OBS_VALUE="316.05" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-05-17" OBS_VALUE="315.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-16" OBS_VALUE="315.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-13" OBS_VALUE="315.17" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-12" OBS_VALUE="314.91" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-11" OBS_VALUE="315.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-05-10" OBS_VALUE="314.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-05-09" OBS_VALUE="315.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-05-06" OBS_VALUE="313.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-05-05" OBS_VALUE="312.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-05-04" OBS_VALUE="312.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-05-03" OBS_VALUE="311.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-05-02" OBS_VALUE="310.84" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-29" OBS_VALUE="312.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2016-04-28" OBS_VALUE="310.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-04-27" OBS_VALUE="312.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-04-26" OBS_VALUE="312.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-04-25" OBS_VALUE="311.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-22" OBS_VALUE="310.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-04-21" OBS_VALUE="310.7" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2016-04-20" OBS_VALUE="309.05" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-04-19" OBS_VALUE="310.51" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-04-18" OBS_VALUE="310.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-15" OBS_VALUE="310.54" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-04-14" OBS_VALUE="311.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-04-13" OBS_VALUE="310.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-04-12" OBS_VALUE="311.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-04-11" OBS_VALUE="312.07" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-08" OBS_VALUE="312.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-04-07" OBS_VALUE="312.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-04-06" OBS_VALUE="312.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-04-05" OBS_VALUE="312.62" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-04-04" OBS_VALUE="312.29" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-04-01" OBS_VALUE="313.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-03-31" OBS_VALUE="314.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-30" OBS_VALUE="314.29" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-03-29" OBS_VALUE="314.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-24" OBS_VALUE="314.24" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-23" OBS_VALUE="313.79" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-03-22" OBS_VALUE="312.6" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2016-03-21" OBS_VALUE="310.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-18" OBS_VALUE="310.32" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-17" OBS_VALUE="310.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-03-16" OBS_VALUE="311.43" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-03-15" OBS_VALUE="310.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-14" OBS_VALUE="310.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-11" OBS_VALUE="310.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-10" OBS_VALUE="310.01" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-09" OBS_VALUE="309.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-03-08" OBS_VALUE="310.19" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-03-07" OBS_VALUE="309.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-03-04" OBS_VALUE="309.31" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-03" OBS_VALUE="308.94" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-03-02" OBS_VALUE="309.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-03-01" OBS_VALUE="310.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-02-29" OBS_VALUE="311.26" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-26" OBS_VALUE="310.52" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-25" OBS_VALUE="310.86" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-24" OBS_VALUE="310.55" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2016-02-23" OBS_VALUE="307.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-22" OBS_VALUE="307.84" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-19" OBS_VALUE="309.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-18" OBS_VALUE="309.49" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-17" OBS_VALUE="309.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-02-16" OBS_VALUE="310.75" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2016-02-15" OBS_VALUE="309.24" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-12" OBS_VALUE="310.13" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2016-02-11" OBS_VALUE="311.98" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-10" OBS_VALUE="311.62" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-02-09" OBS_VALUE="311.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-02-08" OBS_VALUE="310.69" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-02-05" OBS_VALUE="309.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-02-04" OBS_VALUE="310.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-02-03" OBS_VALUE="310.55" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-02-02" OBS_VALUE="311.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-02-01" OBS_VALUE="311.86" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-29" OBS_VALUE="312.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2016-01-28" OBS_VALUE="313.37" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-01-27" OBS_VALUE="313.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2016-01-26" OBS_VALUE="312.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2016-01-25" OBS_VALUE="312.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-22" OBS_VALUE="312.2" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2016-01-21" OBS_VALUE="314.42" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-20" OBS_VALUE="314.76" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-19" OBS_VALUE="314.56" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2016-01-18" OBS_VALUE="315.42" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-15" OBS_VALUE="314.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2016-01-14" OBS_VALUE="315.97" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2016-01-13" OBS_VALUE="315.43" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2016-01-12" OBS_VALUE="317.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-11" OBS_VALUE="317.32" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2016-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-08" OBS_VALUE="315.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-07" OBS_VALUE="315.79" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-01-06" OBS_VALUE="314.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-05" OBS_VALUE="315.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2016-01-04" OBS_VALUE="315.39" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2016-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2016-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-31" OBS_VALUE="315.98" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2015-12-30" OBS_VALUE="313.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-12-29" OBS_VALUE="314.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-12-28" OBS_VALUE="314.13" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2015-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-24" OBS_VALUE="315.91" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-12-23" OBS_VALUE="314.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-12-22" OBS_VALUE="313.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-12-21" OBS_VALUE="314.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-18" OBS_VALUE="314.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-12-17" OBS_VALUE="315.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-12-16" OBS_VALUE="316.41" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-12-15" OBS_VALUE="316.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-12-14" OBS_VALUE="317.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-11" OBS_VALUE="316.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-12-10" OBS_VALUE="316.61" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2015-12-09" OBS_VALUE="314.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-12-08" OBS_VALUE="314.53" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2015-12-07" OBS_VALUE="311.85" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-12-04" OBS_VALUE="313.1" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2015-12-03" OBS_VALUE="310.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-12-02" OBS_VALUE="311.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-12-01" OBS_VALUE="310.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-11-30" OBS_VALUE="311.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-27" OBS_VALUE="312.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-26" OBS_VALUE="312.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-25" OBS_VALUE="312.11" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-24" OBS_VALUE="311.89" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-11-23" OBS_VALUE="311.13" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-20" OBS_VALUE="309.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-19" OBS_VALUE="310.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-11-18" OBS_VALUE="310.94" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-11-17" OBS_VALUE="311.64" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-16" OBS_VALUE="311.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-13" OBS_VALUE="312.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-11-12" OBS_VALUE="312.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-11-11" OBS_VALUE="311.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-11-10" OBS_VALUE="312.69" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2015-11-09" OBS_VALUE="314.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-11-06" OBS_VALUE="314.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-11-05" OBS_VALUE="313.97" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-11-04" OBS_VALUE="314.91" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-11-03" OBS_VALUE="313.48" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-11-02" OBS_VALUE="312.19" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2015-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-30" OBS_VALUE="309.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-10-29" OBS_VALUE="311.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-10-28" OBS_VALUE="311.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-10-27" OBS_VALUE="312.85" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2015-10-26" OBS_VALUE="310.17" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-23" OBS_VALUE="309.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-10-22" OBS_VALUE="311.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-10-21" OBS_VALUE="311.25" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-10-20" OBS_VALUE="310.33" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-10-19" OBS_VALUE="309.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-16" OBS_VALUE="309.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-10-15" OBS_VALUE="309.39" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-10-14" OBS_VALUE="311.04" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-10-13" OBS_VALUE="311.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-10-12" OBS_VALUE="310.86" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-09" OBS_VALUE="311.59" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-10-08" OBS_VALUE="312.17" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-10-07" OBS_VALUE="312.17" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-10-06" OBS_VALUE="313.58" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-10-05" OBS_VALUE="311.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-10-02" OBS_VALUE="312.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-10-01" OBS_VALUE="312.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-09-30" OBS_VALUE="313.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-29" OBS_VALUE="313.75" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-09-28" OBS_VALUE="315.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-25" OBS_VALUE="315.46" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-09-24" OBS_VALUE="314.21" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-23" OBS_VALUE="310.91" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-22" OBS_VALUE="310.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-21" OBS_VALUE="310.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-18" OBS_VALUE="309.81" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-09-17" OBS_VALUE="310.99" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-09-16" OBS_VALUE="311.82" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-09-15" OBS_VALUE="312.48" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-09-14" OBS_VALUE="313.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-11" OBS_VALUE="314.74" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-10" OBS_VALUE="314.51" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-09-09" OBS_VALUE="313.17" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-09-08" OBS_VALUE="314.22" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-07" OBS_VALUE="314.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-09-04" OBS_VALUE="313.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-09-03" OBS_VALUE="314.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-09-02" OBS_VALUE="313.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-09-01" OBS_VALUE="314.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-08-31" OBS_VALUE="314.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-28" OBS_VALUE="314.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-08-27" OBS_VALUE="315.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-08-26" OBS_VALUE="315.54" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2015-08-25" OBS_VALUE="312.31" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2015-08-24" OBS_VALUE="315.23" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2015-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-21" OBS_VALUE="312.77" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-08-20" OBS_VALUE="312.38" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2015-08-19" OBS_VALUE="309.82" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-08-18" OBS_VALUE="309.01" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-08-17" OBS_VALUE="310.01" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-14" OBS_VALUE="310.69" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-08-13" OBS_VALUE="310.67" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-08-12" OBS_VALUE="311.21" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-08-11" OBS_VALUE="312.25" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-08-10" OBS_VALUE="311.27" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-07" OBS_VALUE="310.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-08-06" OBS_VALUE="310.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-08-05" OBS_VALUE="309.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-08-04" OBS_VALUE="308.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-08-03" OBS_VALUE="307.89" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-31" OBS_VALUE="308.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-07-30" OBS_VALUE="308.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-07-29" OBS_VALUE="309.29" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-07-28" OBS_VALUE="309.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-07-27" OBS_VALUE="310.02" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-24" OBS_VALUE="311.19" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-07-23" OBS_VALUE="309.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-07-22" OBS_VALUE="308.33" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-07-21" OBS_VALUE="309.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-07-20" OBS_VALUE="309.26" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-17" OBS_VALUE="308.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-07-16" OBS_VALUE="309.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-07-15" OBS_VALUE="310.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-07-14" OBS_VALUE="310.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-07-13" OBS_VALUE="310.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-10" OBS_VALUE="311.01" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2015-07-09" OBS_VALUE="315.0" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2015-07-08" OBS_VALUE="317.87" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-07-07" OBS_VALUE="316.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-07-06" OBS_VALUE="316.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-07-03" OBS_VALUE="315.48" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-07-02" OBS_VALUE="314.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-07-01" OBS_VALUE="314.33" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-06-30" OBS_VALUE="314.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-06-29" OBS_VALUE="314.38" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2015-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-26" OBS_VALUE="312.66" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-06-25" OBS_VALUE="311.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-06-24" OBS_VALUE="311.11" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-06-23" OBS_VALUE="310.24" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-06-22" OBS_VALUE="310.83" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2015-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-19" OBS_VALUE="312.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-06-18" OBS_VALUE="311.14" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-06-17" OBS_VALUE="311.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-06-16" OBS_VALUE="311.88" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-06-15" OBS_VALUE="313.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-12" OBS_VALUE="312.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-06-11" OBS_VALUE="312.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-06-10" OBS_VALUE="312.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-06-09" OBS_VALUE="312.28" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-06-08" OBS_VALUE="313.95" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2015-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-06-05" OBS_VALUE="311.28" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-06-04" OBS_VALUE="312.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-06-03" OBS_VALUE="311.35" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2015-06-02" OBS_VALUE="309.29" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-06-01" OBS_VALUE="309.11" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-29" OBS_VALUE="308.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-05-28" OBS_VALUE="308.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-05-27" OBS_VALUE="308.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-05-26" OBS_VALUE="309.17" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-05-25" OBS_VALUE="307.71" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-22" OBS_VALUE="306.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-05-21" OBS_VALUE="306.97" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-05-20" OBS_VALUE="306.5" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-05-19" OBS_VALUE="305.07" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2015-05-18" OBS_VALUE="307.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-15" OBS_VALUE="306.67" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-05-14" OBS_VALUE="307.52" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-05-13" OBS_VALUE="306.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-05-12" OBS_VALUE="306.57" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2015-05-11" OBS_VALUE="304.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-08" OBS_VALUE="303.91" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-05-07" OBS_VALUE="304.56" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-05-06" OBS_VALUE="304.55" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2015-05-05" OBS_VALUE="301.7" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2015-05-04" OBS_VALUE="303.42" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-30" OBS_VALUE="302.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-04-29" OBS_VALUE="302.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-04-28" OBS_VALUE="301.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-04-27" OBS_VALUE="301.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-24" OBS_VALUE="301.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-04-23" OBS_VALUE="301.57" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-04-22" OBS_VALUE="300.27" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2015-04-21" OBS_VALUE="297.41" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-04-20" OBS_VALUE="297.9" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2015-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-17" OBS_VALUE="301.36" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-04-16" OBS_VALUE="300.95" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2015-04-15" OBS_VALUE="297.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-04-14" OBS_VALUE="296.64" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-04-13" OBS_VALUE="296.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-10" OBS_VALUE="297.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-04-09" OBS_VALUE="297.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-04-08" OBS_VALUE="296.62" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2015-04-07" OBS_VALUE="299.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-04-02" OBS_VALUE="299.58" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-04-01" OBS_VALUE="298.52" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-03-31" OBS_VALUE="299.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-03-30" OBS_VALUE="299.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-27" OBS_VALUE="300.54" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-03-26" OBS_VALUE="299.65" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-03-25" OBS_VALUE="298.8" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2015-03-24" OBS_VALUE="302.26" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2015-03-23" OBS_VALUE="304.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-20" OBS_VALUE="303.86" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-03-19" OBS_VALUE="303.22" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-03-18" OBS_VALUE="304.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-03-17" OBS_VALUE="304.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-03-16" OBS_VALUE="303.68" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2015-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-13" OBS_VALUE="306.5" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2015-03-12" OBS_VALUE="303.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-03-11" OBS_VALUE="304.17" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2015-03-10" OBS_VALUE="307.92" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2015-03-09" OBS_VALUE="305.21" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-03-06" OBS_VALUE="303.78" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-03-05" OBS_VALUE="305.36" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-03-04" OBS_VALUE="306.47" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-03-03" OBS_VALUE="305.07" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-03-02" OBS_VALUE="303.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-27" OBS_VALUE="303.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-02-26" OBS_VALUE="302.88" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2015-02-25" OBS_VALUE="305.55" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-02-24" OBS_VALUE="305.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-02-23" OBS_VALUE="305.09" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2015-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-20" OBS_VALUE="305.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-02-19" OBS_VALUE="305.34" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2015-02-18" OBS_VALUE="307.71" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-02-17" OBS_VALUE="307.81" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-02-16" OBS_VALUE="306.91" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-13" OBS_VALUE="306.03" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2015-02-12" OBS_VALUE="307.76" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2015-02-11" OBS_VALUE="310.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-02-10" OBS_VALUE="309.34" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2015-02-09" OBS_VALUE="307.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-02-06" OBS_VALUE="306.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2015-02-05" OBS_VALUE="307.24" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-02-04" OBS_VALUE="308.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-02-03" OBS_VALUE="309.18" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-02-02" OBS_VALUE="310.56" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-30" OBS_VALUE="312.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-01-29" OBS_VALUE="312.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-28" OBS_VALUE="312.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2015-01-27" OBS_VALUE="312.17" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-01-26" OBS_VALUE="310.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-23" OBS_VALUE="310.91" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2015-01-22" OBS_VALUE="315.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-21" OBS_VALUE="315.35" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2015-01-20" OBS_VALUE="317.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2015-01-19" OBS_VALUE="318.72" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2015-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-16" OBS_VALUE="320.37" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2015-01-15" OBS_VALUE="322.39" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2015-01-14" OBS_VALUE="319.97" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2015-01-13" OBS_VALUE="318.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-12" OBS_VALUE="318.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2015-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-09" OBS_VALUE="317.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-08" OBS_VALUE="317.05" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2015-01-07" OBS_VALUE="319.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-06" OBS_VALUE="319.32" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2015-01-05" OBS_VALUE="318.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2015-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2015-01-02" OBS_VALUE="318.75" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2015-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-31" OBS_VALUE="315.54" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-12-30" OBS_VALUE="314.98" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-12-29" OBS_VALUE="314.68" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-24" OBS_VALUE="316.08" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-12-23" OBS_VALUE="313.93" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-12-22" OBS_VALUE="315.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-19" OBS_VALUE="316.45" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-12-18" OBS_VALUE="314.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-12-17" OBS_VALUE="314.42" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-12-16" OBS_VALUE="312.23" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2014-12-15" OBS_VALUE="308.32" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-12" OBS_VALUE="308.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-12-11" OBS_VALUE="308.14" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-12-10" OBS_VALUE="307.21" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-12-09" OBS_VALUE="305.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-12-08" OBS_VALUE="306.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-12-05" OBS_VALUE="307.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-12-04" OBS_VALUE="306.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-12-03" OBS_VALUE="306.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-12-02" OBS_VALUE="306.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-12-01" OBS_VALUE="306.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-28" OBS_VALUE="306.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-27" OBS_VALUE="307.14" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-11-26" OBS_VALUE="306.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-11-25" OBS_VALUE="305.82" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-11-24" OBS_VALUE="304.76" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-21" OBS_VALUE="304.56" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-11-20" OBS_VALUE="304.62" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-19" OBS_VALUE="304.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-11-18" OBS_VALUE="305.54" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-11-17" OBS_VALUE="306.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-14" OBS_VALUE="306.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-13" OBS_VALUE="306.36" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-11-12" OBS_VALUE="307.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-11" OBS_VALUE="307.59" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-11-10" OBS_VALUE="307.04" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2014-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-07" OBS_VALUE="309.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-06" OBS_VALUE="310.02" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-11-05" OBS_VALUE="309.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-11-04" OBS_VALUE="309.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-03" OBS_VALUE="308.64" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-31" OBS_VALUE="308.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-10-30" OBS_VALUE="308.82" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-10-29" OBS_VALUE="309.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-10-28" OBS_VALUE="309.26" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-10-27" OBS_VALUE="308.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-24" OBS_VALUE="308.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-10-23" OBS_VALUE="307.4" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-10-22" OBS_VALUE="306.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-10-21" OBS_VALUE="306.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-10-20" OBS_VALUE="306.37" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-17" OBS_VALUE="307.4" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-10-16" OBS_VALUE="308.9" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2014-10-15" OBS_VALUE="306.46" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-10-14" OBS_VALUE="306.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-10-13" OBS_VALUE="305.51" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-10" OBS_VALUE="306.84" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-10-09" OBS_VALUE="306.27" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-10-08" OBS_VALUE="307.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-10-07" OBS_VALUE="307.92" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-10-06" OBS_VALUE="308.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-10-03" OBS_VALUE="309.17" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-10-02" OBS_VALUE="309.71" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-10-01" OBS_VALUE="310.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-09-30" OBS_VALUE="310.57" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-09-29" OBS_VALUE="312.18" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-26" OBS_VALUE="311.51" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-09-25" OBS_VALUE="310.54" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-09-24" OBS_VALUE="310.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-09-23" OBS_VALUE="310.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-09-22" OBS_VALUE="311.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-19" OBS_VALUE="310.76" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-09-18" OBS_VALUE="312.27" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-09-17" OBS_VALUE="313.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-09-16" OBS_VALUE="314.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-09-15" OBS_VALUE="314.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-12" OBS_VALUE="314.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-09-11" OBS_VALUE="314.8" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-09-10" OBS_VALUE="316.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-09-09" OBS_VALUE="316.84" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2014-09-08" OBS_VALUE="313.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-09-05" OBS_VALUE="314.16" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2014-09-04" OBS_VALUE="312.44" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-09-03" OBS_VALUE="314.02" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-09-02" OBS_VALUE="315.49" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-09-01" OBS_VALUE="314.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-29" OBS_VALUE="315.02" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-08-28" OBS_VALUE="313.91" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-08-27" OBS_VALUE="312.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-08-26" OBS_VALUE="313.16" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-08-25" OBS_VALUE="312.96" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-22" OBS_VALUE="313.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-08-21" OBS_VALUE="314.18" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-08-20" OBS_VALUE="313.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-08-19" OBS_VALUE="313.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-08-18" OBS_VALUE="313.88" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-15" OBS_VALUE="312.89" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-08-14" OBS_VALUE="312.73" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-08-13" OBS_VALUE="314.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-08-12" OBS_VALUE="314.44" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-08-11" OBS_VALUE="313.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-08" OBS_VALUE="313.72" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2014-08-07" OBS_VALUE="315.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-08-06" OBS_VALUE="316.06" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-08-05" OBS_VALUE="314.86" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-08-04" OBS_VALUE="313.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-08-01" OBS_VALUE="314.49" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-07-31" OBS_VALUE="312.96" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2014-07-30" OBS_VALUE="311.14" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-07-29" OBS_VALUE="310.26" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-07-28" OBS_VALUE="308.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-25" OBS_VALUE="308.06" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-07-24" OBS_VALUE="307.76" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-07-23" OBS_VALUE="307.15" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2014-07-22" OBS_VALUE="309.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-07-21" OBS_VALUE="309.56" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-18" OBS_VALUE="310.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-07-17" OBS_VALUE="310.48" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-07-16" OBS_VALUE="309.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-07-15" OBS_VALUE="309.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-07-14" OBS_VALUE="309.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-11" OBS_VALUE="310.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-07-10" OBS_VALUE="310.4" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-07-09" OBS_VALUE="309.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-07-08" OBS_VALUE="308.86" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2014-07-07" OBS_VALUE="310.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-07-04" OBS_VALUE="310.28" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-07-03" OBS_VALUE="311.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-07-02" OBS_VALUE="311.1" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-07-01" OBS_VALUE="310.43" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-06-30" OBS_VALUE="309.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-27" OBS_VALUE="308.59" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-26" OBS_VALUE="307.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-25" OBS_VALUE="307.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-06-24" OBS_VALUE="305.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-23" OBS_VALUE="305.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-20" OBS_VALUE="305.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-06-19" OBS_VALUE="305.31" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2014-06-18" OBS_VALUE="307.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-06-17" OBS_VALUE="307.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-06-16" OBS_VALUE="307.51" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-13" OBS_VALUE="306.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-12" OBS_VALUE="305.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-06-11" OBS_VALUE="305.62" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-06-10" OBS_VALUE="304.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-06-09" OBS_VALUE="303.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-06-06" OBS_VALUE="303.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-06-05" OBS_VALUE="303.8" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-06-04" OBS_VALUE="305.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-06-03" OBS_VALUE="304.93" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-06-02" OBS_VALUE="302.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-30" OBS_VALUE="302.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-05-29" OBS_VALUE="302.89" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-05-28" OBS_VALUE="304.0" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-05-27" OBS_VALUE="303.58" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-05-26" OBS_VALUE="302.77" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-23" OBS_VALUE="303.49" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-05-22" OBS_VALUE="304.1" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-05-21" OBS_VALUE="304.48" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-05-20" OBS_VALUE="305.46" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-05-19" OBS_VALUE="305.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-16" OBS_VALUE="305.93" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2014-05-15" OBS_VALUE="303.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-05-14" OBS_VALUE="304.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-05-13" OBS_VALUE="303.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-05-12" OBS_VALUE="303.71" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-09" OBS_VALUE="303.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-05-08" OBS_VALUE="304.17" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2014-05-07" OBS_VALUE="305.9" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-05-06" OBS_VALUE="307.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-05-05" OBS_VALUE="308.09" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-05-02" OBS_VALUE="307.07" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-30" OBS_VALUE="307.63" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-04-29" OBS_VALUE="309.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-04-28" OBS_VALUE="309.62" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-25" OBS_VALUE="309.6" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2014-04-24" OBS_VALUE="307.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-04-23" OBS_VALUE="307.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-04-22" OBS_VALUE="307.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-17" OBS_VALUE="307.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-04-16" OBS_VALUE="308.38" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-04-15" OBS_VALUE="307.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-04-14" OBS_VALUE="307.47" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-11" OBS_VALUE="306.96" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2014-04-10" OBS_VALUE="305.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-04-09" OBS_VALUE="305.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-04-08" OBS_VALUE="305.26" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-04-07" OBS_VALUE="306.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-04-04" OBS_VALUE="306.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-04-03" OBS_VALUE="307.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-04-02" OBS_VALUE="307.29" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-04-01" OBS_VALUE="307.79" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-03-31" OBS_VALUE="307.18" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2014-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-28" OBS_VALUE="308.89" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2014-03-27" OBS_VALUE="311.69" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-03-26" OBS_VALUE="312.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-03-25" OBS_VALUE="311.81" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-03-24" OBS_VALUE="312.89" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-21" OBS_VALUE="312.59" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-03-20" OBS_VALUE="312.36" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-03-19" OBS_VALUE="310.08" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-03-18" OBS_VALUE="311.52" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-03-17" OBS_VALUE="312.3" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2014-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-14" OBS_VALUE="314.55" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2014-03-13" OBS_VALUE="311.7" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-03-12" OBS_VALUE="313.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-03-11" OBS_VALUE="312.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-03-10" OBS_VALUE="312.34" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2014-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-07" OBS_VALUE="310.0" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-03-06" OBS_VALUE="309.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-03-05" OBS_VALUE="309.48" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-03-04" OBS_VALUE="311.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-03-03" OBS_VALUE="312.65" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-28" OBS_VALUE="310.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-02-27" OBS_VALUE="310.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-02-26" OBS_VALUE="310.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-02-25" OBS_VALUE="309.12" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2014-02-24" OBS_VALUE="310.24" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-21" OBS_VALUE="311.89" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-02-20" OBS_VALUE="313.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-02-19" OBS_VALUE="313.26" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2014-02-18" OBS_VALUE="310.18" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-02-17" OBS_VALUE="308.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-14" OBS_VALUE="309.05" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2014-02-13" OBS_VALUE="311.67" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2014-02-12" OBS_VALUE="308.52" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-02-11" OBS_VALUE="310.1" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-02-10" OBS_VALUE="310.88" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-07" OBS_VALUE="308.81" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-02-06" OBS_VALUE="307.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-02-05" OBS_VALUE="307.59" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2014-02-04" OBS_VALUE="309.32" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2014-02-03" OBS_VALUE="311.76" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2014-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-31" OBS_VALUE="313.26" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-01-30" OBS_VALUE="310.97" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2014-01-29" OBS_VALUE="307.37" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2014-01-28" OBS_VALUE="304.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-01-27" OBS_VALUE="304.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-24" OBS_VALUE="305.65" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2014-01-23" OBS_VALUE="303.62" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-01-22" OBS_VALUE="302.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2014-01-21" OBS_VALUE="302.8" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-01-20" OBS_VALUE="301.71" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-17" OBS_VALUE="300.72" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-01-16" OBS_VALUE="300.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2014-01-15" OBS_VALUE="300.36" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2014-01-14" OBS_VALUE="299.8" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-01-13" OBS_VALUE="298.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-10" OBS_VALUE="299.24" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-01-09" OBS_VALUE="299.41" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2014-01-08" OBS_VALUE="300.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2014-01-07" OBS_VALUE="300.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2014-01-06" OBS_VALUE="299.82" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2014-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2014-01-03" OBS_VALUE="298.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2014-01-02" OBS_VALUE="298.63" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2014-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-31" OBS_VALUE="297.04" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-12-30" OBS_VALUE="296.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-27" OBS_VALUE="297.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-24" OBS_VALUE="297.14" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-12-23" OBS_VALUE="298.52" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-20" OBS_VALUE="298.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-12-19" OBS_VALUE="299.38" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-12-18" OBS_VALUE="298.49" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-12-17" OBS_VALUE="299.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-12-16" OBS_VALUE="299.77" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2013-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-13" OBS_VALUE="302.42" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-12-12" OBS_VALUE="303.49" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-12-11" OBS_VALUE="302.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-12-10" OBS_VALUE="300.79" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-12-09" OBS_VALUE="301.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-12-06" OBS_VALUE="302.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-12-05" OBS_VALUE="301.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-12-04" OBS_VALUE="302.49" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-12-03" OBS_VALUE="302.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-12-02" OBS_VALUE="302.2" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-29" OBS_VALUE="301.1" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-11-28" OBS_VALUE="299.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-27" OBS_VALUE="299.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-26" OBS_VALUE="298.72" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-11-25" OBS_VALUE="298.21" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-22" OBS_VALUE="297.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-11-21" OBS_VALUE="297.46" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-11-20" OBS_VALUE="296.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-19" OBS_VALUE="296.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-11-18" OBS_VALUE="297.06" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-15" OBS_VALUE="298.41" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-11-14" OBS_VALUE="297.63" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-11-13" OBS_VALUE="298.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-12" OBS_VALUE="298.5" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-11-11" OBS_VALUE="297.29" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-08" OBS_VALUE="296.22" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-07" OBS_VALUE="295.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-11-06" OBS_VALUE="296.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-11-05" OBS_VALUE="297.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-11-04" OBS_VALUE="295.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-11-01" OBS_VALUE="296.51" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-10-31" OBS_VALUE="294.89" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-10-30" OBS_VALUE="293.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-29" OBS_VALUE="293.14" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-10-28" OBS_VALUE="292.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-25" OBS_VALUE="292.82" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-10-24" OBS_VALUE="292.79" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-23" OBS_VALUE="292.24" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2013-10-22" OBS_VALUE="294.31" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-21" OBS_VALUE="293.72" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-18" OBS_VALUE="294.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-10-17" OBS_VALUE="294.41" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-10-16" OBS_VALUE="296.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-10-15" OBS_VALUE="295.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-10-14" OBS_VALUE="295.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-11" OBS_VALUE="294.87" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-10" OBS_VALUE="295.52" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-09" OBS_VALUE="296.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-10-08" OBS_VALUE="295.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-07" OBS_VALUE="295.83" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-10-04" OBS_VALUE="296.92" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-10-03" OBS_VALUE="295.92" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-10-02" OBS_VALUE="296.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-10-01" OBS_VALUE="296.07" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2013-09-30" OBS_VALUE="298.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-27" OBS_VALUE="299.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-26" OBS_VALUE="299.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-25" OBS_VALUE="300.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-24" OBS_VALUE="299.89" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-09-23" OBS_VALUE="299.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-20" OBS_VALUE="299.28" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2013-09-19" OBS_VALUE="295.72" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2013-09-18" OBS_VALUE="298.47" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-09-17" OBS_VALUE="299.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-16" OBS_VALUE="298.78" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-13" OBS_VALUE="300.54" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-09-12" OBS_VALUE="301.27" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2013-09-11" OBS_VALUE="299.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-10" OBS_VALUE="299.28" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-09-09" OBS_VALUE="300.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-09-06" OBS_VALUE="300.67" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-09-05" OBS_VALUE="302.35" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-09-04" OBS_VALUE="301.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-09-03" OBS_VALUE="301.32" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-09-02" OBS_VALUE="300.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-30" OBS_VALUE="300.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-29" OBS_VALUE="300.46" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2013-08-28" OBS_VALUE="302.81" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2013-08-27" OBS_VALUE="300.28" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2013-08-26" OBS_VALUE="297.85" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-23" OBS_VALUE="298.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-22" OBS_VALUE="299.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-21" OBS_VALUE="299.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-20" OBS_VALUE="299.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-08-19" OBS_VALUE="300.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-16" OBS_VALUE="300.34" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-08-15" OBS_VALUE="298.96" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-14" OBS_VALUE="298.62" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-08-13" OBS_VALUE="298.87" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2013-08-12" OBS_VALUE="297.09" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-09" OBS_VALUE="298.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-08-08" OBS_VALUE="298.91" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-08-07" OBS_VALUE="299.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-08-06" OBS_VALUE="299.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-08-05" OBS_VALUE="298.56" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-08-02" OBS_VALUE="300.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-08-01" OBS_VALUE="298.83" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-07-31" OBS_VALUE="299.67" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-07-30" OBS_VALUE="299.1" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-29" OBS_VALUE="297.88" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-26" OBS_VALUE="296.56" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-07-25" OBS_VALUE="296.78" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-24" OBS_VALUE="295.59" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-23" OBS_VALUE="294.49" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-07-22" OBS_VALUE="293.95" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-19" OBS_VALUE="295.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-07-18" OBS_VALUE="294.97" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-17" OBS_VALUE="293.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-16" OBS_VALUE="292.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-07-15" OBS_VALUE="292.01" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-12" OBS_VALUE="292.82" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-07-11" OBS_VALUE="292.47" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-07-10" OBS_VALUE="294.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-07-09" OBS_VALUE="292.95" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-07-08" OBS_VALUE="294.52" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-07-05" OBS_VALUE="294.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-07-04" OBS_VALUE="295.8" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-07-03" OBS_VALUE="294.88" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-07-02" OBS_VALUE="293.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-07-01" OBS_VALUE="294.07" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-28" OBS_VALUE="294.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-06-27" OBS_VALUE="294.98" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2013-06-26" OBS_VALUE="297.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-06-25" OBS_VALUE="296.85" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2013-06-24" OBS_VALUE="299.97" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-21" OBS_VALUE="298.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-06-20" OBS_VALUE="298.8" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2013-06-19" OBS_VALUE="293.99" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-06-18" OBS_VALUE="293.62" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2013-06-17" OBS_VALUE="290.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-14" OBS_VALUE="291.41" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2013-06-13" OBS_VALUE="294.85" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-06-12" OBS_VALUE="296.4" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2013-06-11" OBS_VALUE="299.71" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2013-06-10" OBS_VALUE="297.2" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-07" OBS_VALUE="295.72" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-06-06" OBS_VALUE="297.37" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2013-06-05" OBS_VALUE="294.67" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2013-06-04" OBS_VALUE="291.53" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2013-06-03" OBS_VALUE="295.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-31" OBS_VALUE="296.11" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2013-05-30" OBS_VALUE="293.33" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2013-05-29" OBS_VALUE="288.03" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2013-05-28" OBS_VALUE="285.85" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2013-05-27" OBS_VALUE="289.23" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-24" OBS_VALUE="290.4" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-05-23" OBS_VALUE="292.18" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-22" OBS_VALUE="289.06" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-05-21" OBS_VALUE="290.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-20" OBS_VALUE="289.99" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-17" OBS_VALUE="290.56" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-05-16" OBS_VALUE="290.51" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-05-15" OBS_VALUE="292.27" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-14" OBS_VALUE="295.53" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2013-05-13" OBS_VALUE="293.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-10" OBS_VALUE="293.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-05-09" OBS_VALUE="293.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-08" OBS_VALUE="293.31" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2013-05-07" OBS_VALUE="296.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-06" OBS_VALUE="296.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-05-03" OBS_VALUE="296.12" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-05-02" OBS_VALUE="297.08" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2013-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-30" OBS_VALUE="300.12" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2013-04-29" OBS_VALUE="298.15" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-26" OBS_VALUE="301.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-25" OBS_VALUE="301.24" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2013-04-24" OBS_VALUE="299.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-04-23" OBS_VALUE="299.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-22" OBS_VALUE="299.79" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-19" OBS_VALUE="298.24" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-18" OBS_VALUE="297.97" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2013-04-17" OBS_VALUE="294.54" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-16" OBS_VALUE="294.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-15" OBS_VALUE="294.31" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-12" OBS_VALUE="294.55" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-11" OBS_VALUE="297.79" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-10" OBS_VALUE="298.11" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-04-09" OBS_VALUE="297.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-04-08" OBS_VALUE="297.75" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-04-05" OBS_VALUE="301.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-04" OBS_VALUE="301.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-04-03" OBS_VALUE="302.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-04-02" OBS_VALUE="301.91" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2013-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-28" OBS_VALUE="304.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-27" OBS_VALUE="304.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-26" OBS_VALUE="304.5" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-03-25" OBS_VALUE="306.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-22" OBS_VALUE="307.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2013-03-21" OBS_VALUE="305.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-20" OBS_VALUE="304.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-19" OBS_VALUE="305.2" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-03-18" OBS_VALUE="307.17" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2013-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-15" OBS_VALUE="305.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-14" OBS_VALUE="305.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-13" OBS_VALUE="305.65" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-03-12" OBS_VALUE="304.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-03-11" OBS_VALUE="303.4" BBK_DIFF="1.9"/>
      <bbk:Obs TIME_PERIOD="2013-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-08" OBS_VALUE="297.64" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2013-03-07" OBS_VALUE="299.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-03-06" OBS_VALUE="298.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-03-05" OBS_VALUE="298.87" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2013-03-04" OBS_VALUE="296.71" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-03-01" OBS_VALUE="295.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-02-28" OBS_VALUE="295.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-02-27" OBS_VALUE="295.55" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-02-26" OBS_VALUE="294.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2013-02-25" OBS_VALUE="293.54" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-22" OBS_VALUE="292.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-02-21" OBS_VALUE="292.47" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-02-20" OBS_VALUE="291.31" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-02-19" OBS_VALUE="290.79" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-02-18" OBS_VALUE="291.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-15" OBS_VALUE="292.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-02-14" OBS_VALUE="292.52" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2013-02-13" OBS_VALUE="289.1" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2013-02-12" OBS_VALUE="291.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-02-11" OBS_VALUE="291.72" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-08" OBS_VALUE="292.22" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2013-02-07" OBS_VALUE="294.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-02-06" OBS_VALUE="294.23" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2013-02-05" OBS_VALUE="292.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-02-04" OBS_VALUE="293.23" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-02-01" OBS_VALUE="292.37" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-01-31" OBS_VALUE="292.27" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2013-01-30" OBS_VALUE="296.08" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2013-01-29" OBS_VALUE="297.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-01-28" OBS_VALUE="298.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-25" OBS_VALUE="297.89" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2013-01-24" OBS_VALUE="294.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-01-23" OBS_VALUE="294.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-01-22" OBS_VALUE="294.32" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2013-01-21" OBS_VALUE="292.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2013-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-18" OBS_VALUE="292.74" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2013-01-17" OBS_VALUE="293.58" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2013-01-16" OBS_VALUE="294.99" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2013-01-15" OBS_VALUE="294.72" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2013-01-14" OBS_VALUE="297.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-11" OBS_VALUE="296.56" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2013-01-10" OBS_VALUE="291.59" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-01-09" OBS_VALUE="290.66" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2013-01-08" OBS_VALUE="292.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-01-07" OBS_VALUE="291.57" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2013-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2013-01-04" OBS_VALUE="290.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2013-01-03" OBS_VALUE="291.09" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-01-02" OBS_VALUE="291.71" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2013-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-31" OBS_VALUE="292.3" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-28" OBS_VALUE="290.79" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-12-27" OBS_VALUE="291.43" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-24" OBS_VALUE="290.19" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2012-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-21" OBS_VALUE="287.2" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-12-20" OBS_VALUE="286.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-12-19" OBS_VALUE="286.81" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-12-18" OBS_VALUE="288.4" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-12-17" OBS_VALUE="287.19" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2012-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-14" OBS_VALUE="283.76" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-12-13" OBS_VALUE="283.5" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-12-12" OBS_VALUE="282.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-12-11" OBS_VALUE="282.14" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-12-10" OBS_VALUE="283.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-07" OBS_VALUE="283.96" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-12-06" OBS_VALUE="283.48" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-12-05" OBS_VALUE="282.62" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-12-04" OBS_VALUE="282.39" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-12-03" OBS_VALUE="281.89" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-30" OBS_VALUE="281.03" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-11-29" OBS_VALUE="279.3" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-11-28" OBS_VALUE="281.1" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-11-27" OBS_VALUE="280.06" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-11-26" OBS_VALUE="281.83" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-23" OBS_VALUE="280.49" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-11-22" OBS_VALUE="279.06" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2012-11-21" OBS_VALUE="281.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-11-20" OBS_VALUE="281.56" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-11-19" OBS_VALUE="283.42" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-16" OBS_VALUE="284.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-11-15" OBS_VALUE="284.28" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-11-14" OBS_VALUE="285.06" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-11-13" OBS_VALUE="284.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-11-12" OBS_VALUE="283.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-09" OBS_VALUE="284.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-11-08" OBS_VALUE="284.57" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2012-11-07" OBS_VALUE="282.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-11-06" OBS_VALUE="281.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-11-05" OBS_VALUE="282.58" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-11-02" OBS_VALUE="281.42" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-11-01" OBS_VALUE="282.22" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-10-31" OBS_VALUE="284.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-30" OBS_VALUE="284.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-29" OBS_VALUE="285.13" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2012-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-26" OBS_VALUE="281.99" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2012-10-25" OBS_VALUE="279.72" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-10-24" OBS_VALUE="280.89" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-10-23" OBS_VALUE="281.77" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2012-10-22" OBS_VALUE="279.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-19" OBS_VALUE="279.3" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2012-10-18" OBS_VALUE="277.19" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-10-17" OBS_VALUE="279.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-16" OBS_VALUE="278.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-10-15" OBS_VALUE="278.53" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2012-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-12" OBS_VALUE="281.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-11" OBS_VALUE="281.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-10-10" OBS_VALUE="282.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-10-09" OBS_VALUE="283.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-10-08" OBS_VALUE="283.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-10-05" OBS_VALUE="282.75" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2012-10-04" OBS_VALUE="285.61" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-03" OBS_VALUE="286.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-02" OBS_VALUE="285.56" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-10-01" OBS_VALUE="285.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-28" OBS_VALUE="284.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-09-27" OBS_VALUE="284.92" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-09-26" OBS_VALUE="285.78" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2012-09-25" OBS_VALUE="283.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-09-24" OBS_VALUE="283.28" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-21" OBS_VALUE="282.24" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2012-09-20" OBS_VALUE="284.4" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-09-19" OBS_VALUE="283.1" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-09-18" OBS_VALUE="283.82" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-09-17" OBS_VALUE="282.98" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-14" OBS_VALUE="281.75" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-09-13" OBS_VALUE="283.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-09-12" OBS_VALUE="283.33" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-09-11" OBS_VALUE="284.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-09-10" OBS_VALUE="285.41" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-07" OBS_VALUE="287.0" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-09-06" OBS_VALUE="285.44" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-09-05" OBS_VALUE="284.6" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-09-04" OBS_VALUE="284.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-09-03" OBS_VALUE="284.9" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-31" OBS_VALUE="283.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-08-30" OBS_VALUE="285.29" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-08-29" OBS_VALUE="283.41" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2012-08-28" OBS_VALUE="280.98" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2012-08-27" OBS_VALUE="277.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-24" OBS_VALUE="277.98" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-08-23" OBS_VALUE="276.37" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-08-22" OBS_VALUE="277.2" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-08-21" OBS_VALUE="275.18" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2012-08-20" OBS_VALUE="277.84" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-17" OBS_VALUE="278.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-08-16" OBS_VALUE="278.39" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-08-15" OBS_VALUE="279.39" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-08-14" OBS_VALUE="278.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-08-13" OBS_VALUE="279.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-10" OBS_VALUE="278.9" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2012-08-09" OBS_VALUE="276.79" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-08-08" OBS_VALUE="277.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-08-07" OBS_VALUE="277.11" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-08-06" OBS_VALUE="275.66" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2012-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-08-03" OBS_VALUE="278.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-08-02" OBS_VALUE="279.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-08-01" OBS_VALUE="280.38" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-07-31" OBS_VALUE="278.94" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-07-30" OBS_VALUE="279.7" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2012-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-27" OBS_VALUE="282.65" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2012-07-26" OBS_VALUE="284.81" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2012-07-25" OBS_VALUE="288.61" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-07-24" OBS_VALUE="288.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-07-23" OBS_VALUE="288.34" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2012-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-20" OBS_VALUE="285.97" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-07-19" OBS_VALUE="284.05" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-07-18" OBS_VALUE="285.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-07-17" OBS_VALUE="286.81" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-07-16" OBS_VALUE="288.15" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-13" OBS_VALUE="288.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-07-12" OBS_VALUE="288.6" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-07-11" OBS_VALUE="288.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-07-10" OBS_VALUE="288.12" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-07-09" OBS_VALUE="289.61" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-07-06" OBS_VALUE="287.6" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-07-05" OBS_VALUE="285.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-07-04" OBS_VALUE="285.36" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-07-03" OBS_VALUE="286.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-07-02" OBS_VALUE="286.2" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-29" OBS_VALUE="287.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-06-28" OBS_VALUE="287.83" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-06-27" OBS_VALUE="287.28" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-06-26" OBS_VALUE="286.4" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-06-25" OBS_VALUE="287.53" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-22" OBS_VALUE="287.66" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-06-21" OBS_VALUE="285.83" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-06-20" OBS_VALUE="286.95" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-06-19" OBS_VALUE="288.61" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2012-06-18" OBS_VALUE="292.6" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2012-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-15" OBS_VALUE="296.64" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-06-14" OBS_VALUE="297.63" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-06-13" OBS_VALUE="296.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-06-12" OBS_VALUE="296.92" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-06-11" OBS_VALUE="295.92" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-08" OBS_VALUE="296.6" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-06-07" OBS_VALUE="295.05" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2012-06-06" OBS_VALUE="300.04" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-06-05" OBS_VALUE="302.19" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-06-04" OBS_VALUE="303.06" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2012-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-06-01" OBS_VALUE="306.0" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2012-05-31" OBS_VALUE="301.65" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2012-05-30" OBS_VALUE="298.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-05-29" OBS_VALUE="297.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-05-28" OBS_VALUE="298.38" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2012-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-25" OBS_VALUE="300.77" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-05-24" OBS_VALUE="299.78" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-05-23" OBS_VALUE="302.0" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2012-05-22" OBS_VALUE="297.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-05-21" OBS_VALUE="297.49" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-18" OBS_VALUE="297.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-05-17" OBS_VALUE="297.85" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2012-05-16" OBS_VALUE="294.32" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-05-15" OBS_VALUE="292.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-05-14" OBS_VALUE="291.77" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-11" OBS_VALUE="289.9" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-05-10" OBS_VALUE="288.31" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2012-05-09" OBS_VALUE="290.7" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2012-05-08" OBS_VALUE="286.46" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-05-07" OBS_VALUE="286.48" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-05-04" OBS_VALUE="284.85" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-05-03" OBS_VALUE="283.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-05-02" OBS_VALUE="283.5" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2012-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-30" OBS_VALUE="286.75" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-27" OBS_VALUE="287.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-04-26" OBS_VALUE="287.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-04-25" OBS_VALUE="287.83" BBK_DIFF="-3.3"/>
      <bbk:Obs TIME_PERIOD="2012-04-24" OBS_VALUE="297.69" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-04-23" OBS_VALUE="298.73" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-20" OBS_VALUE="296.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-04-19" OBS_VALUE="297.23" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-04-18" OBS_VALUE="296.84" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-04-17" OBS_VALUE="297.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-04-16" OBS_VALUE="298.88" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-13" OBS_VALUE="297.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-04-12" OBS_VALUE="296.9" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-04-11" OBS_VALUE="298.15" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2012-04-10" OBS_VALUE="295.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-04-05" OBS_VALUE="295.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-04-04" OBS_VALUE="295.63" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-04-03" OBS_VALUE="293.8" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-04-02" OBS_VALUE="295.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-30" OBS_VALUE="294.92" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-03-29" OBS_VALUE="294.36" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-03-28" OBS_VALUE="292.66" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-03-27" OBS_VALUE="291.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-03-26" OBS_VALUE="292.63" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2012-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-23" OBS_VALUE="294.48" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-03-22" OBS_VALUE="293.5" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-03-21" OBS_VALUE="291.53" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-03-20" OBS_VALUE="289.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-03-19" OBS_VALUE="289.44" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-16" OBS_VALUE="290.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2012-03-15" OBS_VALUE="291.32" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-03-14" OBS_VALUE="292.2" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-03-13" OBS_VALUE="294.37" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-03-12" OBS_VALUE="293.48" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-09" OBS_VALUE="291.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-03-08" OBS_VALUE="292.9" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2012-03-07" OBS_VALUE="296.28" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2012-03-06" OBS_VALUE="293.43" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-03-05" OBS_VALUE="291.26" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-03-02" OBS_VALUE="289.3" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2012-03-01" OBS_VALUE="287.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-02-29" OBS_VALUE="288.71" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-02-28" OBS_VALUE="289.63" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-02-27" OBS_VALUE="291.73" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2012-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-24" OBS_VALUE="288.71" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-02-23" OBS_VALUE="289.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-02-22" OBS_VALUE="288.82" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2012-02-21" OBS_VALUE="288.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-02-20" OBS_VALUE="287.4" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2012-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-17" OBS_VALUE="290.14" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2012-02-16" OBS_VALUE="293.9" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2012-02-15" OBS_VALUE="289.63" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-02-14" OBS_VALUE="291.58" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-02-13" OBS_VALUE="290.45" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2012-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-10" OBS_VALUE="293.58" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2012-02-09" OBS_VALUE="290.9" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-02-08" OBS_VALUE="289.65" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-02-07" OBS_VALUE="291.66" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-02-06" OBS_VALUE="293.01" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-02-03" OBS_VALUE="291.8" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-02-02" OBS_VALUE="292.87" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-02-01" OBS_VALUE="292.49" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2012-01-31" OBS_VALUE="293.91" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-01-30" OBS_VALUE="296.04" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-27" OBS_VALUE="293.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2012-01-26" OBS_VALUE="294.8" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2012-01-25" OBS_VALUE="298.38" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2012-01-24" OBS_VALUE="302.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-01-23" OBS_VALUE="301.89" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2012-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-20" OBS_VALUE="304.68" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2012-01-19" OBS_VALUE="302.11" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2012-01-18" OBS_VALUE="306.15" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2012-01-17" OBS_VALUE="310.93" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-01-16" OBS_VALUE="309.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2012-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-13" OBS_VALUE="309.71" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-01-12" OBS_VALUE="307.88" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2012-01-11" OBS_VALUE="311.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-01-10" OBS_VALUE="312.31" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2012-01-09" OBS_VALUE="315.27" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2012-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2012-01-06" OBS_VALUE="318.45" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2012-01-05" OBS_VALUE="320.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2012-01-04" OBS_VALUE="320.01" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2012-01-03" OBS_VALUE="315.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2012-01-02" OBS_VALUE="314.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2012-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-30" OBS_VALUE="314.58" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2011-12-29" OBS_VALUE="310.75" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2011-12-28" OBS_VALUE="307.05" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-12-27" OBS_VALUE="305.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-23" OBS_VALUE="306.89" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-12-22" OBS_VALUE="306.45" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2011-12-21" OBS_VALUE="302.38" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2011-12-20" OBS_VALUE="300.56" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2011-12-19" OBS_VALUE="303.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-16" OBS_VALUE="303.38" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-12-15" OBS_VALUE="302.25" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-12-14" OBS_VALUE="304.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-12-13" OBS_VALUE="304.39" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-12-12" OBS_VALUE="305.16" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-09" OBS_VALUE="305.08" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2011-12-08" OBS_VALUE="301.02" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-12-07" OBS_VALUE="300.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-12-06" OBS_VALUE="300.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-12-05" OBS_VALUE="299.98" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-12-02" OBS_VALUE="301.69" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-12-01" OBS_VALUE="302.5" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2011-11-30" OBS_VALUE="307.63" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-11-29" OBS_VALUE="309.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-11-28" OBS_VALUE="308.91" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2011-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-25" OBS_VALUE="314.32" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2011-11-24" OBS_VALUE="309.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-11-23" OBS_VALUE="309.6" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2011-11-22" OBS_VALUE="305.4" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-11-21" OBS_VALUE="307.07" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2011-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-18" OBS_VALUE="305.3" BBK_DIFF="-2.2"/>
      <bbk:Obs TIME_PERIOD="2011-11-17" OBS_VALUE="312.17" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-11-16" OBS_VALUE="314.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-11-15" OBS_VALUE="314.77" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-11-14" OBS_VALUE="315.6" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2011-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-11" OBS_VALUE="310.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-11-10" OBS_VALUE="310.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-11-09" OBS_VALUE="310.5" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2011-11-08" OBS_VALUE="307.36" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-11-07" OBS_VALUE="306.71" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-11-04" OBS_VALUE="304.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-11-03" OBS_VALUE="302.9" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-11-02" OBS_VALUE="305.36" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2011-11-01" OBS_VALUE="309.48" BBK_DIFF="2.0"/>
      <bbk:Obs TIME_PERIOD="2011-10-31" OBS_VALUE="303.55" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2011-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-28" OBS_VALUE="300.35" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-10-27" OBS_VALUE="302.2" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2011-10-26" OBS_VALUE="297.86" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-10-25" OBS_VALUE="297.07" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-10-24" OBS_VALUE="297.4" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-21" OBS_VALUE="298.46" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-10-20" OBS_VALUE="296.24" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-10-19" OBS_VALUE="295.8" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2011-10-18" OBS_VALUE="298.4" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2011-10-17" OBS_VALUE="293.94" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-14" OBS_VALUE="292.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-10-13" OBS_VALUE="291.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-10-12" OBS_VALUE="292.03" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2011-10-11" OBS_VALUE="295.05" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-10-10" OBS_VALUE="293.6" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2011-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-07" OBS_VALUE="296.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-10-06" OBS_VALUE="296.55" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-10-05" OBS_VALUE="298.84" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-10-04" OBS_VALUE="299.63" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2011-10-03" OBS_VALUE="294.5" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-30" OBS_VALUE="292.55" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-09-29" OBS_VALUE="291.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-09-28" OBS_VALUE="290.38" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2011-09-27" OBS_VALUE="286.36" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2011-09-26" OBS_VALUE="289.42" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-23" OBS_VALUE="291.75" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-09-22" OBS_VALUE="293.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-09-21" OBS_VALUE="293.05" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-09-20" OBS_VALUE="290.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-09-19" OBS_VALUE="290.41" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2011-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-16" OBS_VALUE="287.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2011-09-15" OBS_VALUE="285.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-09-14" OBS_VALUE="286.23" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-09-13" OBS_VALUE="283.59" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-09-12" OBS_VALUE="282.55" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-09" OBS_VALUE="280.07" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2011-09-08" OBS_VALUE="276.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-09-07" OBS_VALUE="276.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-09-06" OBS_VALUE="277.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-09-05" OBS_VALUE="277.62" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2011-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-09-02" OBS_VALUE="275.43" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2011-09-01" OBS_VALUE="273.11" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-08-31" OBS_VALUE="272.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-08-30" OBS_VALUE="272.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-29" OBS_VALUE="272.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-26" OBS_VALUE="272.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-25" OBS_VALUE="272.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-24" OBS_VALUE="272.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-23" OBS_VALUE="271.78" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-08-22" OBS_VALUE="272.83" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-19" OBS_VALUE="272.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-08-18" OBS_VALUE="272.13" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2011-08-17" OBS_VALUE="269.4" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2011-08-16" OBS_VALUE="271.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-08-15" OBS_VALUE="271.66" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2011-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-12" OBS_VALUE="273.68" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-11" OBS_VALUE="276.77" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2011-08-10" OBS_VALUE="273.18" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-08-09" OBS_VALUE="274.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-08-08" OBS_VALUE="273.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-08-05" OBS_VALUE="274.1" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-08-04" OBS_VALUE="272.09" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-08-03" OBS_VALUE="272.38" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2011-08-02" OBS_VALUE="270.12" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2011-08-01" OBS_VALUE="267.9" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-29" OBS_VALUE="269.97" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-07-28" OBS_VALUE="268.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-07-27" OBS_VALUE="268.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-07-26" OBS_VALUE="267.78" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-07-25" OBS_VALUE="268.95" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-22" OBS_VALUE="266.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-07-21" OBS_VALUE="267.93" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-07-20" OBS_VALUE="269.18" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2011-07-19" OBS_VALUE="271.5" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-07-18" OBS_VALUE="272.98" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2011-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-15" OBS_VALUE="270.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-07-14" OBS_VALUE="269.6" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-07-13" OBS_VALUE="269.88" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-07-12" OBS_VALUE="267.9" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-07-11" OBS_VALUE="266.14" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2011-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-08" OBS_VALUE="263.08" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-07-07" OBS_VALUE="264.0" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-07-06" OBS_VALUE="265.06" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-07-05" OBS_VALUE="264.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-07-04" OBS_VALUE="264.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-07-01" OBS_VALUE="264.93" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-06-30" OBS_VALUE="266.11" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-06-29" OBS_VALUE="267.05" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2011-06-28" OBS_VALUE="269.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-06-27" OBS_VALUE="268.96" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-24" OBS_VALUE="269.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-06-23" OBS_VALUE="269.36" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-06-22" OBS_VALUE="267.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-06-21" OBS_VALUE="266.93" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-06-20" OBS_VALUE="269.0" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-17" OBS_VALUE="267.66" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-06-16" OBS_VALUE="269.2" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2011-06-15" OBS_VALUE="265.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-06-14" OBS_VALUE="264.51" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-06-13" OBS_VALUE="265.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-10" OBS_VALUE="264.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-06-09" OBS_VALUE="264.68" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-06-08" OBS_VALUE="266.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-06-07" OBS_VALUE="265.44" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-06-06" OBS_VALUE="266.03" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-06-03" OBS_VALUE="265.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-06-02" OBS_VALUE="265.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-06-01" OBS_VALUE="266.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-31" OBS_VALUE="266.85" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-05-30" OBS_VALUE="268.07" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-27" OBS_VALUE="268.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-26" OBS_VALUE="269.02" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-05-25" OBS_VALUE="270.06" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-24" OBS_VALUE="269.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-05-23" OBS_VALUE="270.16" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-20" OBS_VALUE="268.8" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-05-19" OBS_VALUE="267.97" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-05-18" OBS_VALUE="269.03" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-05-17" OBS_VALUE="267.69" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-05-16" OBS_VALUE="267.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-13" OBS_VALUE="267.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-05-12" OBS_VALUE="266.08" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-05-11" OBS_VALUE="263.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-05-10" OBS_VALUE="263.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-09" OBS_VALUE="264.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-05-06" OBS_VALUE="264.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-05-05" OBS_VALUE="265.26" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-04" OBS_VALUE="264.68" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-05-03" OBS_VALUE="265.53" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2011-05-02" OBS_VALUE="264.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-29" OBS_VALUE="264.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-04-28" OBS_VALUE="264.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-27" OBS_VALUE="264.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-26" OBS_VALUE="264.48" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-21" OBS_VALUE="263.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-20" OBS_VALUE="264.05" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-19" OBS_VALUE="266.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-04-18" OBS_VALUE="267.34" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-15" OBS_VALUE="267.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-14" OBS_VALUE="267.48" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-04-13" OBS_VALUE="266.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-12" OBS_VALUE="266.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-04-11" OBS_VALUE="265.25" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-08" OBS_VALUE="264.09" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-04-07" OBS_VALUE="264.28" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-04-06" OBS_VALUE="263.24" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-04-05" OBS_VALUE="264.44" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-04-04" OBS_VALUE="265.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-04-01" OBS_VALUE="266.26" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-03-31" OBS_VALUE="265.72" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-03-30" OBS_VALUE="267.1" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-03-29" OBS_VALUE="267.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-03-28" OBS_VALUE="267.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-25" OBS_VALUE="266.33" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-03-24" OBS_VALUE="267.78" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2011-03-23" OBS_VALUE="269.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-03-22" OBS_VALUE="270.43" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-03-21" OBS_VALUE="271.15" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-18" OBS_VALUE="273.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-17" OBS_VALUE="273.74" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-16" OBS_VALUE="273.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-03-15" OBS_VALUE="274.04" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-03-14" OBS_VALUE="273.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-11" OBS_VALUE="272.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-10" OBS_VALUE="272.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-03-09" OBS_VALUE="272.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-08" OBS_VALUE="272.62" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-03-07" OBS_VALUE="271.66" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-03-04" OBS_VALUE="271.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-03-03" OBS_VALUE="270.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-03-02" OBS_VALUE="271.28" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-03-01" OBS_VALUE="272.64" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-02-28" OBS_VALUE="270.72" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-25" OBS_VALUE="272.81" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2011-02-24" OBS_VALUE="273.4" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-02-23" OBS_VALUE="272.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-02-22" OBS_VALUE="272.73" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2011-02-21" OBS_VALUE="271.01" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-18" OBS_VALUE="270.05" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-02-17" OBS_VALUE="269.25" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-02-16" OBS_VALUE="270.77" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-02-15" OBS_VALUE="271.06" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-02-14" OBS_VALUE="272.35" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-11" OBS_VALUE="271.67" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2011-02-10" OBS_VALUE="273.28" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2011-02-09" OBS_VALUE="271.61" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2011-02-08" OBS_VALUE="269.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2011-02-07" OBS_VALUE="269.17" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-02-04" OBS_VALUE="270.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-02-03" OBS_VALUE="269.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2011-02-02" OBS_VALUE="269.59" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2011-02-01" OBS_VALUE="271.6" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-01-31" OBS_VALUE="273.85" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2011-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-28" OBS_VALUE="271.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-01-27" OBS_VALUE="272.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2011-01-26" OBS_VALUE="274.23" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-01-25" OBS_VALUE="275.22" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-01-24" OBS_VALUE="274.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-21" OBS_VALUE="274.24" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-01-20" OBS_VALUE="275.0" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2011-01-19" OBS_VALUE="272.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2011-01-18" OBS_VALUE="272.6" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2011-01-17" OBS_VALUE="274.74" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2011-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-14" OBS_VALUE="276.6" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2011-01-13" OBS_VALUE="274.61" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2011-01-12" OBS_VALUE="275.57" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2011-01-11" OBS_VALUE="279.24" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-01-10" OBS_VALUE="280.42" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2011-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-07" OBS_VALUE="277.27" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2011-01-06" OBS_VALUE="275.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2011-01-05" OBS_VALUE="277.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2011-01-04" OBS_VALUE="275.85" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2011-01-03" OBS_VALUE="278.39" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2011-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2011-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-31" OBS_VALUE="277.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-12-30" OBS_VALUE="279.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-12-29" OBS_VALUE="279.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-12-28" OBS_VALUE="279.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-12-27" OBS_VALUE="278.83" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-24" OBS_VALUE="279.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-23" OBS_VALUE="278.43" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-12-22" OBS_VALUE="276.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-12-21" OBS_VALUE="275.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-20" OBS_VALUE="274.83" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-17" OBS_VALUE="272.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-16" OBS_VALUE="273.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-15" OBS_VALUE="274.63" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2010-12-14" OBS_VALUE="277.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-12-13" OBS_VALUE="278.34" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-10" OBS_VALUE="278.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-09" OBS_VALUE="277.39" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-12-08" OBS_VALUE="278.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-07" OBS_VALUE="278.0" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2010-12-06" OBS_VALUE="280.15" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-12-03" OBS_VALUE="278.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-12-02" OBS_VALUE="278.75" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-12-01" OBS_VALUE="280.45" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2010-11-30" OBS_VALUE="284.18" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2010-11-29" OBS_VALUE="280.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-26" OBS_VALUE="279.9" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2010-11-25" OBS_VALUE="277.35" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-11-24" OBS_VALUE="275.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-11-23" OBS_VALUE="275.3" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-11-22" OBS_VALUE="273.11" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-19" OBS_VALUE="274.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-11-18" OBS_VALUE="275.09" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-11-17" OBS_VALUE="278.11" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-11-16" OBS_VALUE="276.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-11-15" OBS_VALUE="276.48" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-12" OBS_VALUE="276.01" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-11-11" OBS_VALUE="276.54" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2010-11-10" OBS_VALUE="273.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-11-09" OBS_VALUE="274.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-11-08" OBS_VALUE="274.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-11-05" OBS_VALUE="273.71" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-11-04" OBS_VALUE="272.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-11-03" OBS_VALUE="272.0" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-11-02" OBS_VALUE="270.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-11-01" OBS_VALUE="270.75" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-29" OBS_VALUE="271.76" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-10-28" OBS_VALUE="273.25" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-10-27" OBS_VALUE="275.04" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-10-26" OBS_VALUE="274.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-10-25" OBS_VALUE="273.53" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-22" OBS_VALUE="275.35" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-10-21" OBS_VALUE="274.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-10-20" OBS_VALUE="275.58" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-10-19" OBS_VALUE="276.89" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-10-18" OBS_VALUE="276.63" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2010-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-15" OBS_VALUE="274.18" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-10-14" OBS_VALUE="273.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-10-13" OBS_VALUE="273.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-10-12" OBS_VALUE="273.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-10-11" OBS_VALUE="274.03" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-08" OBS_VALUE="275.55" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-10-07" OBS_VALUE="273.33" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2010-10-06" OBS_VALUE="270.33" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2010-10-05" OBS_VALUE="272.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-10-04" OBS_VALUE="272.22" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-10-01" OBS_VALUE="273.85" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-09-30" OBS_VALUE="275.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-09-29" OBS_VALUE="276.15" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-09-28" OBS_VALUE="277.95" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-09-27" OBS_VALUE="276.69" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-24" OBS_VALUE="278.75" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-09-23" OBS_VALUE="280.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-09-22" OBS_VALUE="279.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-09-21" OBS_VALUE="279.88" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-09-20" OBS_VALUE="281.25" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-17" OBS_VALUE="282.82" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-09-16" OBS_VALUE="281.62" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-09-15" OBS_VALUE="281.82" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-09-14" OBS_VALUE="283.76" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-09-13" OBS_VALUE="283.76" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-10" OBS_VALUE="283.85" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-09-09" OBS_VALUE="285.76" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-09-08" OBS_VALUE="288.95" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2010-09-07" OBS_VALUE="286.45" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-09-06" OBS_VALUE="284.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-09-03" OBS_VALUE="284.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-09-02" OBS_VALUE="285.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-09-01" OBS_VALUE="286.3" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-08-31" OBS_VALUE="287.68" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2010-08-30" OBS_VALUE="283.49" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-27" OBS_VALUE="284.68" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-08-26" OBS_VALUE="283.63" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-08-25" OBS_VALUE="284.35" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-08-24" OBS_VALUE="285.4" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2010-08-23" OBS_VALUE="280.71" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-20" OBS_VALUE="279.4" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2010-08-19" OBS_VALUE="276.89" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-08-18" OBS_VALUE="278.37" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-08-17" OBS_VALUE="279.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-08-16" OBS_VALUE="280.2" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-13" OBS_VALUE="281.08" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-08-12" OBS_VALUE="282.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-08-11" OBS_VALUE="282.12" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2010-08-10" OBS_VALUE="279.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-08-09" OBS_VALUE="279.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-08-06" OBS_VALUE="278.65" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-08-05" OBS_VALUE="279.68" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2010-08-04" OBS_VALUE="281.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-08-03" OBS_VALUE="281.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-08-02" OBS_VALUE="281.65" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2010-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-30" OBS_VALUE="285.62" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-07-29" OBS_VALUE="283.81" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-07-28" OBS_VALUE="282.24" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-07-27" OBS_VALUE="283.74" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2010-07-26" OBS_VALUE="287.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-23" OBS_VALUE="287.17" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2010-07-22" OBS_VALUE="283.25" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-07-21" OBS_VALUE="284.9" BBK_DIFF="-2.0"/>
      <bbk:Obs TIME_PERIOD="2010-07-20" OBS_VALUE="290.57" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-07-19" OBS_VALUE="289.18" BBK_DIFF="3.0"/>
      <bbk:Obs TIME_PERIOD="2010-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-16" OBS_VALUE="280.85" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2010-07-15" OBS_VALUE="278.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-07-14" OBS_VALUE="278.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-07-13" OBS_VALUE="277.8" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-07-12" OBS_VALUE="278.91" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-09" OBS_VALUE="280.24" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-07-08" OBS_VALUE="281.27" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-07-07" OBS_VALUE="284.47" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-07-06" OBS_VALUE="284.85" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-07-05" OBS_VALUE="286.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-07-02" OBS_VALUE="285.7" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-07-01" OBS_VALUE="287.45" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-06-30" OBS_VALUE="286.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-06-29" OBS_VALUE="286.76" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-06-28" OBS_VALUE="285.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-25" OBS_VALUE="285.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-06-24" OBS_VALUE="283.78" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2010-06-23" OBS_VALUE="280.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-06-22" OBS_VALUE="280.43" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2010-06-21" OBS_VALUE="278.03" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-18" OBS_VALUE="280.05" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-06-17" OBS_VALUE="279.21" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-06-16" OBS_VALUE="281.07" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-06-15" OBS_VALUE="280.1" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-06-14" OBS_VALUE="279.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-11" OBS_VALUE="279.6" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2010-06-10" OBS_VALUE="282.04" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-06-09" OBS_VALUE="281.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-06-08" OBS_VALUE="282.2" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2010-06-07" OBS_VALUE="285.7" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-06-04" OBS_VALUE="288.8" BBK_DIFF="4.9"/>
      <bbk:Obs TIME_PERIOD="2010-06-03" OBS_VALUE="275.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-06-02" OBS_VALUE="275.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-06-01" OBS_VALUE="276.62" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-05-31" OBS_VALUE="275.53" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-28" OBS_VALUE="273.93" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-05-27" OBS_VALUE="276.86" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-05-26" OBS_VALUE="277.44" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2010-05-25" OBS_VALUE="280.38" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2010-05-24" OBS_VALUE="278.34" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-21" OBS_VALUE="281.33" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-05-20" OBS_VALUE="283.0" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2010-05-19" OBS_VALUE="279.5" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-05-18" OBS_VALUE="277.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-05-17" OBS_VALUE="277.82" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-14" OBS_VALUE="276.13" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2010-05-13" OBS_VALUE="272.45" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-05-12" OBS_VALUE="273.76" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2010-05-11" OBS_VALUE="276.1" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2010-05-10" OBS_VALUE="273.2" BBK_DIFF="-3.0"/>
      <bbk:Obs TIME_PERIOD="2010-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-07" OBS_VALUE="281.6" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2010-05-06" OBS_VALUE="279.42" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2010-05-05" OBS_VALUE="276.83" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2010-05-04" OBS_VALUE="273.4" BBK_DIFF="2.0"/>
      <bbk:Obs TIME_PERIOD="2010-05-03" OBS_VALUE="268.03" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-30" OBS_VALUE="266.82" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-04-29" OBS_VALUE="268.28" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-04-28" OBS_VALUE="269.9" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2010-04-27" OBS_VALUE="266.75" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2010-04-26" OBS_VALUE="263.42" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-23" OBS_VALUE="264.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-04-22" OBS_VALUE="264.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-04-21" OBS_VALUE="264.13" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-04-20" OBS_VALUE="264.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-04-19" OBS_VALUE="265.38" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2010-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-16" OBS_VALUE="263.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-04-15" OBS_VALUE="263.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-04-14" OBS_VALUE="262.65" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-04-13" OBS_VALUE="264.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-04-12" OBS_VALUE="265.21" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2010-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-09" OBS_VALUE="267.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-04-08" OBS_VALUE="268.9" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2010-04-07" OBS_VALUE="266.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-04-06" OBS_VALUE="265.28" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-04-01" OBS_VALUE="264.78" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-03-31" OBS_VALUE="265.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-03-30" OBS_VALUE="265.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-03-29" OBS_VALUE="266.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-26" OBS_VALUE="265.03" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-03-25" OBS_VALUE="263.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-03-24" OBS_VALUE="264.03" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-03-23" OBS_VALUE="264.61" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-03-22" OBS_VALUE="265.3" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2010-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-19" OBS_VALUE="262.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-03-18" OBS_VALUE="261.92" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-03-17" OBS_VALUE="262.24" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-03-16" OBS_VALUE="264.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-03-15" OBS_VALUE="264.6" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-12" OBS_VALUE="266.15" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-03-11" OBS_VALUE="266.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-03-10" OBS_VALUE="266.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-03-09" OBS_VALUE="267.2" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2010-03-08" OBS_VALUE="265.34" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-03-05" OBS_VALUE="266.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-03-04" OBS_VALUE="266.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-03-03" OBS_VALUE="266.02" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-03-02" OBS_VALUE="266.9" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2010-03-01" OBS_VALUE="269.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-26" OBS_VALUE="269.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-02-25" OBS_VALUE="270.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-02-24" OBS_VALUE="270.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-02-23" OBS_VALUE="269.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-02-22" OBS_VALUE="269.75" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-19" OBS_VALUE="271.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-02-18" OBS_VALUE="271.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-02-17" OBS_VALUE="270.83" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2010-02-16" OBS_VALUE="272.37" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-02-15" OBS_VALUE="271.38" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2010-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-12" OBS_VALUE="270.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-02-11" OBS_VALUE="270.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-02-10" OBS_VALUE="271.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-02-09" OBS_VALUE="272.0" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2010-02-08" OBS_VALUE="273.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-02-05" OBS_VALUE="274.1" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-02-04" OBS_VALUE="272.6" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2010-02-03" OBS_VALUE="270.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-02-02" OBS_VALUE="270.25" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-02-01" OBS_VALUE="271.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-29" OBS_VALUE="271.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2010-01-28" OBS_VALUE="271.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-01-27" OBS_VALUE="271.75" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2010-01-26" OBS_VALUE="272.75" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-01-25" OBS_VALUE="271.18" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-22" OBS_VALUE="272.02" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-01-21" OBS_VALUE="270.43" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-01-20" OBS_VALUE="268.99" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-01-19" OBS_VALUE="267.94" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2010-01-18" OBS_VALUE="267.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2010-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-15" OBS_VALUE="266.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-01-14" OBS_VALUE="267.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2010-01-13" OBS_VALUE="266.82" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2010-01-12" OBS_VALUE="268.18" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2010-01-11" OBS_VALUE="266.7" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2010-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-08" OBS_VALUE="269.37" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-01-07" OBS_VALUE="270.3" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2010-01-06" OBS_VALUE="268.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2010-01-05" OBS_VALUE="269.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2010-01-04" OBS_VALUE="269.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2010-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-31" OBS_VALUE="270.42" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-12-30" OBS_VALUE="272.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-12-29" OBS_VALUE="272.54" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-12-28" OBS_VALUE="273.3" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-24" OBS_VALUE="272.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-12-23" OBS_VALUE="273.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-12-22" OBS_VALUE="274.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-12-21" OBS_VALUE="274.53" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2009-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-18" OBS_VALUE="277.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-12-17" OBS_VALUE="278.07" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-12-16" OBS_VALUE="277.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-12-15" OBS_VALUE="277.1" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2009-12-14" OBS_VALUE="273.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-11" OBS_VALUE="273.12" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-12-10" OBS_VALUE="272.05" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-12-09" OBS_VALUE="273.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-12-08" OBS_VALUE="273.42" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2009-12-07" OBS_VALUE="270.36" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-12-04" OBS_VALUE="269.14" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-12-03" OBS_VALUE="269.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-12-02" OBS_VALUE="270.5" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-12-01" OBS_VALUE="271.86" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2009-11-30" OBS_VALUE="273.88" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2009-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-27" OBS_VALUE="272.32" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-11-26" OBS_VALUE="269.77" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-11-25" OBS_VALUE="267.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-11-24" OBS_VALUE="267.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-11-23" OBS_VALUE="267.55" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-20" OBS_VALUE="269.68" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2009-11-19" OBS_VALUE="266.96" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-11-18" OBS_VALUE="265.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-11-17" OBS_VALUE="266.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-11-16" OBS_VALUE="267.43" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-13" OBS_VALUE="268.8" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2009-11-12" OBS_VALUE="271.14" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-11-11" OBS_VALUE="269.27" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-11-10" OBS_VALUE="272.19" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-11-09" OBS_VALUE="272.74" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-11-06" OBS_VALUE="274.82" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-11-05" OBS_VALUE="275.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-11-04" OBS_VALUE="277.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-11-03" OBS_VALUE="278.2" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2009-11-02" OBS_VALUE="275.28" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-30" OBS_VALUE="273.39" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-10-29" OBS_VALUE="272.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-10-28" OBS_VALUE="272.78" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2009-10-27" OBS_VALUE="268.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-10-26" OBS_VALUE="267.45" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2009-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-23" OBS_VALUE="265.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-10-22" OBS_VALUE="265.92" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-10-21" OBS_VALUE="265.32" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-10-20" OBS_VALUE="264.59" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2009-10-19" OBS_VALUE="266.43" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-16" OBS_VALUE="267.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-10-15" OBS_VALUE="268.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-10-14" OBS_VALUE="267.31" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-10-13" OBS_VALUE="268.79" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-10-12" OBS_VALUE="269.45" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-09" OBS_VALUE="270.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-10-08" OBS_VALUE="270.2" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-10-07" OBS_VALUE="267.9" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-10-06" OBS_VALUE="267.03" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-10-05" OBS_VALUE="267.24" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-10-02" OBS_VALUE="268.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-10-01" OBS_VALUE="270.26" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-09-30" OBS_VALUE="269.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-09-29" OBS_VALUE="269.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-09-28" OBS_VALUE="269.66" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-25" OBS_VALUE="270.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-09-24" OBS_VALUE="270.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-09-23" OBS_VALUE="271.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-09-22" OBS_VALUE="271.42" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-09-21" OBS_VALUE="272.37" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-18" OBS_VALUE="271.18" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-09-17" OBS_VALUE="270.61" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-09-16" OBS_VALUE="269.84" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-09-15" OBS_VALUE="272.02" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-09-14" OBS_VALUE="274.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-11" OBS_VALUE="273.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-09-10" OBS_VALUE="272.28" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-09-09" OBS_VALUE="271.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-09-08" OBS_VALUE="270.98" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-09-07" OBS_VALUE="272.24" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-09-04" OBS_VALUE="274.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-09-03" OBS_VALUE="273.95" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2009-09-02" OBS_VALUE="276.37" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2009-09-01" OBS_VALUE="273.65" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-08-31" OBS_VALUE="271.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-28" OBS_VALUE="270.74" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2009-08-27" OBS_VALUE="268.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-08-26" OBS_VALUE="267.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-08-25" OBS_VALUE="266.96" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-08-24" OBS_VALUE="268.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-21" OBS_VALUE="268.59" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-08-20" OBS_VALUE="271.5" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-08-19" OBS_VALUE="274.41" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2009-08-18" OBS_VALUE="272.66" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-08-17" OBS_VALUE="274.07" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2009-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-14" OBS_VALUE="269.2" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-08-13" OBS_VALUE="268.21" BBK_DIFF="-2.0"/>
      <bbk:Obs TIME_PERIOD="2009-08-12" OBS_VALUE="273.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-08-11" OBS_VALUE="273.1" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2009-08-10" OBS_VALUE="269.31" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2009-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-07" OBS_VALUE="272.8" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2009-08-06" OBS_VALUE="269.89" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2009-08-05" OBS_VALUE="267.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-08-04" OBS_VALUE="267.05" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-08-03" OBS_VALUE="265.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-31" OBS_VALUE="266.53" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2009-07-30" OBS_VALUE="268.31" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-07-29" OBS_VALUE="269.75" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2009-07-28" OBS_VALUE="267.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-07-27" OBS_VALUE="268.0" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-24" OBS_VALUE="266.59" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2009-07-23" OBS_VALUE="271.26" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-07-22" OBS_VALUE="271.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-07-21" OBS_VALUE="271.3" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-07-20" OBS_VALUE="272.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-17" OBS_VALUE="274.2" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-07-16" OBS_VALUE="272.82" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-07-15" OBS_VALUE="273.25" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2009-07-14" OBS_VALUE="275.79" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-07-13" OBS_VALUE="277.96" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-10" OBS_VALUE="277.5" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-07-09" OBS_VALUE="275.0" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-07-08" OBS_VALUE="278.1" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2009-07-07" OBS_VALUE="273.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-07-06" OBS_VALUE="273.7" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-07-03" OBS_VALUE="272.55" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2009-07-02" OBS_VALUE="268.45" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2009-07-01" OBS_VALUE="271.11" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-06-30" OBS_VALUE="271.55" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2009-06-29" OBS_VALUE="276.21" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-26" OBS_VALUE="275.3" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-06-25" OBS_VALUE="277.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-06-24" OBS_VALUE="277.75" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2009-06-23" OBS_VALUE="281.2" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-06-22" OBS_VALUE="278.62" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-19" OBS_VALUE="279.5" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2009-06-18" OBS_VALUE="283.57" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-06-17" OBS_VALUE="283.8" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2009-06-16" OBS_VALUE="280.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-06-15" OBS_VALUE="280.4" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-12" OBS_VALUE="277.81" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2009-06-11" OBS_VALUE="280.2" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-06-10" OBS_VALUE="278.17" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2009-06-09" OBS_VALUE="280.13" BBK_DIFF="-2.5"/>
      <bbk:Obs TIME_PERIOD="2009-06-08" OBS_VALUE="287.19" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2009-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-06-05" OBS_VALUE="289.1" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-06-04" OBS_VALUE="287.1" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2009-06-03" OBS_VALUE="282.9" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-06-02" OBS_VALUE="281.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2009-06-01" OBS_VALUE="280.73" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-29" OBS_VALUE="282.48" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-05-28" OBS_VALUE="284.75" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-05-27" OBS_VALUE="282.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-05-26" OBS_VALUE="282.43" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-05-25" OBS_VALUE="280.6" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2009-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-22" OBS_VALUE="278.39" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-05-21" OBS_VALUE="278.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-05-20" OBS_VALUE="277.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-05-19" OBS_VALUE="278.18" BBK_DIFF="-2.1"/>
      <bbk:Obs TIME_PERIOD="2009-05-18" OBS_VALUE="284.15" BBK_DIFF="-1.8"/>
      <bbk:Obs TIME_PERIOD="2009-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-15" OBS_VALUE="289.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-05-14" OBS_VALUE="289.73" BBK_DIFF="2.9"/>
      <bbk:Obs TIME_PERIOD="2009-05-13" OBS_VALUE="281.44" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2009-05-12" OBS_VALUE="278.78" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-05-11" OBS_VALUE="277.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-08" OBS_VALUE="277.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-05-07" OBS_VALUE="276.6" BBK_DIFF="-3.2"/>
      <bbk:Obs TIME_PERIOD="2009-05-06" OBS_VALUE="285.83" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-05-05" OBS_VALUE="283.26" BBK_DIFF="-1.7"/>
      <bbk:Obs TIME_PERIOD="2009-05-04" OBS_VALUE="288.23" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-30" OBS_VALUE="289.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-04-29" OBS_VALUE="289.2" BBK_DIFF="-2.3"/>
      <bbk:Obs TIME_PERIOD="2009-04-28" OBS_VALUE="295.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-04-27" OBS_VALUE="295.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-24" OBS_VALUE="295.82" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-04-23" OBS_VALUE="296.81" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-04-22" OBS_VALUE="298.0" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-04-21" OBS_VALUE="300.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-04-20" OBS_VALUE="299.2" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2009-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-17" OBS_VALUE="293.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-04-16" OBS_VALUE="293.34" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-04-15" OBS_VALUE="290.79" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-04-14" OBS_VALUE="289.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-09" OBS_VALUE="289.85" BBK_DIFF="-2.4"/>
      <bbk:Obs TIME_PERIOD="2009-04-08" OBS_VALUE="296.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-04-07" OBS_VALUE="296.8" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2009-04-06" OBS_VALUE="294.3" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-04-03" OBS_VALUE="295.58" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2009-04-02" OBS_VALUE="298.65" BBK_DIFF="-2.0"/>
      <bbk:Obs TIME_PERIOD="2009-04-01" OBS_VALUE="304.81" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-03-31" OBS_VALUE="308.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-03-30" OBS_VALUE="308.65" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2009-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-27" OBS_VALUE="304.37" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2009-03-26" OBS_VALUE="302.0" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2009-03-25" OBS_VALUE="300.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-03-24" OBS_VALUE="300.85" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-03-23" OBS_VALUE="304.15" BBK_DIFF="1.9"/>
      <bbk:Obs TIME_PERIOD="2009-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-20" OBS_VALUE="298.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-03-19" OBS_VALUE="298.5" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2009-03-18" OBS_VALUE="301.7" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-03-17" OBS_VALUE="299.68" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2009-03-16" OBS_VALUE="295.53" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2009-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-13" OBS_VALUE="297.71" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2009-03-12" OBS_VALUE="302.25" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-03-11" OBS_VALUE="300.26" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2009-03-10" OBS_VALUE="305.99" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2009-03-09" OBS_VALUE="310.6" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2009-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-03-06" OBS_VALUE="316.5" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2009-03-05" OBS_VALUE="311.63" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2009-03-04" OBS_VALUE="310.05" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2009-03-03" OBS_VALUE="306.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-03-02" OBS_VALUE="307.03" BBK_DIFF="2.2"/>
      <bbk:Obs TIME_PERIOD="2009-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-27" OBS_VALUE="300.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-02-26" OBS_VALUE="300.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2009-02-25" OBS_VALUE="299.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2009-02-24" OBS_VALUE="299.05" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-02-23" OBS_VALUE="297.05" BBK_DIFF="-2.4"/>
      <bbk:Obs TIME_PERIOD="2009-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-20" OBS_VALUE="304.45" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2009-02-19" OBS_VALUE="300.39" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-02-18" OBS_VALUE="302.72" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2009-02-17" OBS_VALUE="307.15" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2009-02-16" OBS_VALUE="303.35" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2009-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-13" OBS_VALUE="298.22" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-02-12" OBS_VALUE="298.55" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-02-11" OBS_VALUE="295.99" BBK_DIFF="2.9"/>
      <bbk:Obs TIME_PERIOD="2009-02-10" OBS_VALUE="287.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-02-09" OBS_VALUE="287.9" BBK_DIFF="-1.6"/>
      <bbk:Obs TIME_PERIOD="2009-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-02-06" OBS_VALUE="292.6" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2009-02-05" OBS_VALUE="294.99" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2009-02-04" OBS_VALUE="298.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2009-02-03" OBS_VALUE="299.25" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2009-02-02" OBS_VALUE="297.98" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2009-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-30" OBS_VALUE="299.08" BBK_DIFF="4.1"/>
      <bbk:Obs TIME_PERIOD="2009-01-29" OBS_VALUE="287.28" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2009-01-28" OBS_VALUE="284.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-01-27" OBS_VALUE="285.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2009-01-26" OBS_VALUE="285.41" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2009-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-23" OBS_VALUE="289.85" BBK_DIFF="2.5"/>
      <bbk:Obs TIME_PERIOD="2009-01-22" OBS_VALUE="282.76" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-01-21" OBS_VALUE="284.58" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2009-01-20" OBS_VALUE="287.15" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2009-01-19" OBS_VALUE="283.55" BBK_DIFF="2.0"/>
      <bbk:Obs TIME_PERIOD="2009-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-16" OBS_VALUE="277.9" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2009-01-15" OBS_VALUE="281.45" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2009-01-14" OBS_VALUE="277.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2009-01-13" OBS_VALUE="277.73" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2009-01-12" OBS_VALUE="279.4" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2009-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-09" OBS_VALUE="276.13" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2009-01-08" OBS_VALUE="271.77" BBK_DIFF="2.1"/>
      <bbk:Obs TIME_PERIOD="2009-01-07" OBS_VALUE="266.14" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-01-06" OBS_VALUE="266.67" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2009-01-05" OBS_VALUE="267.13" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2009-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2009-01-02" OBS_VALUE="265.48" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2009-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-31" OBS_VALUE="266.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-12-30" OBS_VALUE="266.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-12-29" OBS_VALUE="266.64" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-24" OBS_VALUE="267.76" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2008-12-23" OBS_VALUE="264.6" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-12-22" OBS_VALUE="266.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-19" OBS_VALUE="265.84" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2008-12-18" OBS_VALUE="268.61" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2008-12-17" OBS_VALUE="265.05" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-12-16" OBS_VALUE="268.38" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-12-15" OBS_VALUE="266.74" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2008-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-12" OBS_VALUE="264.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-12-11" OBS_VALUE="264.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-12-10" OBS_VALUE="263.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-12-09" OBS_VALUE="263.28" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-12-08" OBS_VALUE="264.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-12-05" OBS_VALUE="265.32" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2008-12-04" OBS_VALUE="261.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-12-03" OBS_VALUE="262.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-12-02" OBS_VALUE="261.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-12-01" OBS_VALUE="262.2" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2008-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-28" OBS_VALUE="259.56" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-11-27" OBS_VALUE="261.65" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-11-26" OBS_VALUE="260.08" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-11-25" OBS_VALUE="262.3" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-11-24" OBS_VALUE="263.5" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-21" OBS_VALUE="266.78" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-11-20" OBS_VALUE="269.94" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-11-19" OBS_VALUE="271.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-11-18" OBS_VALUE="271.09" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2008-11-17" OBS_VALUE="268.5" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-14" OBS_VALUE="270.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-11-13" OBS_VALUE="269.75" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-11-12" OBS_VALUE="271.0" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2008-11-11" OBS_VALUE="266.66" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-11-10" OBS_VALUE="265.51" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2008-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-07" OBS_VALUE="269.0" BBK_DIFF="2.7"/>
      <bbk:Obs TIME_PERIOD="2008-11-06" OBS_VALUE="261.94" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2008-11-05" OBS_VALUE="259.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-11-04" OBS_VALUE="259.86" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-11-03" OBS_VALUE="258.36" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-31" OBS_VALUE="261.43" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2008-10-30" OBS_VALUE="257.24" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-10-29" OBS_VALUE="256.05" BBK_DIFF="-2.3"/>
      <bbk:Obs TIME_PERIOD="2008-10-28" OBS_VALUE="262.0" BBK_DIFF="-3.3"/>
      <bbk:Obs TIME_PERIOD="2008-10-27" OBS_VALUE="271.03" BBK_DIFF="-2.2"/>
      <bbk:Obs TIME_PERIOD="2008-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-24" OBS_VALUE="277.0" BBK_DIFF="-2.5"/>
      <bbk:Obs TIME_PERIOD="2008-10-23" OBS_VALUE="284.0" BBK_DIFF="3.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-22" OBS_VALUE="275.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-10-21" OBS_VALUE="274.78" BBK_DIFF="2.4"/>
      <bbk:Obs TIME_PERIOD="2008-10-20" OBS_VALUE="268.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-17" OBS_VALUE="268.5" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-10-16" OBS_VALUE="266.0" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-15" OBS_VALUE="263.0" BBK_DIFF="5.2"/>
      <bbk:Obs TIME_PERIOD="2008-10-14" OBS_VALUE="250.0" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-10-13" OBS_VALUE="253.0" BBK_DIFF="-3.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-10" OBS_VALUE="261.05" BBK_DIFF="3.2"/>
      <bbk:Obs TIME_PERIOD="2008-10-09" OBS_VALUE="252.98" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-10-08" OBS_VALUE="251.95" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-07" OBS_VALUE="249.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-06" OBS_VALUE="248.88" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2008-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-10-03" OBS_VALUE="246.1" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-10-02" OBS_VALUE="243.88" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-10-01" OBS_VALUE="241.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-09-30" OBS_VALUE="242.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-09-29" OBS_VALUE="242.62" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2008-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-26" OBS_VALUE="240.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-09-25" OBS_VALUE="240.75" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-09-24" OBS_VALUE="241.34" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-09-23" OBS_VALUE="240.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-09-22" OBS_VALUE="239.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-19" OBS_VALUE="239.96" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2008-09-18" OBS_VALUE="242.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-09-17" OBS_VALUE="241.89" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-09-16" OBS_VALUE="243.3" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2008-09-15" OBS_VALUE="240.92" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-12" OBS_VALUE="239.6" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-09-11" OBS_VALUE="241.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-09-10" OBS_VALUE="241.39" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-09-09" OBS_VALUE="239.23" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-09-08" OBS_VALUE="241.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-09-05" OBS_VALUE="241.95" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2008-09-04" OBS_VALUE="238.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-09-03" OBS_VALUE="238.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-09-02" OBS_VALUE="238.24" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-09-01" OBS_VALUE="237.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-29" OBS_VALUE="237.68" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-08-28" OBS_VALUE="238.56" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2008-08-27" OBS_VALUE="235.71" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-08-26" OBS_VALUE="236.6" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2008-08-25" OBS_VALUE="233.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-22" OBS_VALUE="233.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-08-21" OBS_VALUE="233.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-08-20" OBS_VALUE="234.66" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-08-19" OBS_VALUE="235.78" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-08-18" OBS_VALUE="236.82" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2008-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-15" OBS_VALUE="239.45" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-08-14" OBS_VALUE="237.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-08-13" OBS_VALUE="237.14" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-08-12" OBS_VALUE="236.47" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-08-11" OBS_VALUE="236.71" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-08" OBS_VALUE="236.08" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2008-08-07" OBS_VALUE="234.2" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2008-08-06" OBS_VALUE="236.28" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-08-05" OBS_VALUE="235.13" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-08-04" OBS_VALUE="233.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-08-01" OBS_VALUE="233.76" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2008-07-31" OBS_VALUE="231.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-07-30" OBS_VALUE="231.72" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-07-29" OBS_VALUE="230.76" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-07-28" OBS_VALUE="230.87" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-25" OBS_VALUE="231.35" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-07-24" OBS_VALUE="232.3" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-07-23" OBS_VALUE="232.1" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2008-07-22" OBS_VALUE="229.07" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-07-21" OBS_VALUE="229.36" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-18" OBS_VALUE="228.16" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2008-07-17" OBS_VALUE="230.13" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2008-07-16" OBS_VALUE="232.37" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-07-15" OBS_VALUE="232.76" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2008-07-14" OBS_VALUE="230.21" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-11" OBS_VALUE="231.51" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-07-10" OBS_VALUE="230.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-07-09" OBS_VALUE="230.49" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-07-08" OBS_VALUE="231.06" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-07-07" OBS_VALUE="232.92" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-07-04" OBS_VALUE="233.81" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-07-03" OBS_VALUE="236.74" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-07-02" OBS_VALUE="236.3" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-07-01" OBS_VALUE="235.96" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-06-30" OBS_VALUE="235.43" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-27" OBS_VALUE="238.38" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2008-06-26" OBS_VALUE="236.71" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-06-25" OBS_VALUE="236.96" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2008-06-24" OBS_VALUE="239.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-06-23" OBS_VALUE="239.51" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-20" OBS_VALUE="238.55" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-06-19" OBS_VALUE="240.45" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-06-18" OBS_VALUE="243.44" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-06-17" OBS_VALUE="246.34" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-06-16" OBS_VALUE="247.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-13" OBS_VALUE="247.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-06-12" OBS_VALUE="246.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-06-11" OBS_VALUE="247.01" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-06-10" OBS_VALUE="247.66" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-06-09" OBS_VALUE="247.2" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2008-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-06-06" OBS_VALUE="245.43" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2008-06-05" OBS_VALUE="241.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-06-04" OBS_VALUE="242.7" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-06-03" OBS_VALUE="241.48" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-06-02" OBS_VALUE="241.06" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-30" OBS_VALUE="241.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-05-29" OBS_VALUE="241.32" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2008-05-28" OBS_VALUE="243.79" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-05-27" OBS_VALUE="244.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-05-26" OBS_VALUE="243.93" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-23" OBS_VALUE="244.97" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-05-22" OBS_VALUE="245.45" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-05-21" OBS_VALUE="243.27" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2008-05-20" OBS_VALUE="245.67" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-05-19" OBS_VALUE="246.23" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-16" OBS_VALUE="246.98" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2008-05-15" OBS_VALUE="249.66" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-05-14" OBS_VALUE="249.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-05-13" OBS_VALUE="250.1" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-05-12" OBS_VALUE="250.73" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-09" OBS_VALUE="252.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-05-08" OBS_VALUE="253.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2008-05-07" OBS_VALUE="252.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-05-06" OBS_VALUE="252.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-05-05" OBS_VALUE="252.14" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-05-02" OBS_VALUE="251.93" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-30" OBS_VALUE="253.32" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-04-29" OBS_VALUE="252.93" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-04-28" OBS_VALUE="252.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-25" OBS_VALUE="252.9" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-04-24" OBS_VALUE="252.26" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-04-23" OBS_VALUE="251.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-04-22" OBS_VALUE="251.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-04-21" OBS_VALUE="252.47" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-18" OBS_VALUE="253.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-04-17" OBS_VALUE="253.35" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-04-16" OBS_VALUE="254.26" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2008-04-15" OBS_VALUE="252.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-04-14" OBS_VALUE="252.39" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-11" OBS_VALUE="252.73" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-04-10" OBS_VALUE="253.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-04-09" OBS_VALUE="253.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-04-08" OBS_VALUE="253.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-04-07" OBS_VALUE="254.05" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-04-04" OBS_VALUE="257.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-04-03" OBS_VALUE="257.44" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-04-02" OBS_VALUE="256.97" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-04-01" OBS_VALUE="258.55" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-03-31" OBS_VALUE="259.43" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2008-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-28" OBS_VALUE="257.73" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2008-03-27" OBS_VALUE="256.05" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-03-26" OBS_VALUE="256.94" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-03-25" OBS_VALUE="256.49" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2008-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-20" OBS_VALUE="258.19" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-03-19" OBS_VALUE="256.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-03-18" OBS_VALUE="257.51" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2008-03-17" OBS_VALUE="260.54" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2008-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-14" OBS_VALUE="257.07" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2008-03-13" OBS_VALUE="259.81" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-03-12" OBS_VALUE="259.3" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-03-11" OBS_VALUE="260.69" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2008-03-10" OBS_VALUE="263.47" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-07" OBS_VALUE="264.88" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-03-06" OBS_VALUE="263.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-03-05" OBS_VALUE="263.01" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-03-04" OBS_VALUE="263.27" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-03-03" OBS_VALUE="264.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-29" OBS_VALUE="264.15" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2008-02-28" OBS_VALUE="260.22" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-02-27" OBS_VALUE="257.98" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2008-02-26" OBS_VALUE="259.2" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2008-02-25" OBS_VALUE="262.78" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-22" OBS_VALUE="264.41" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-02-21" OBS_VALUE="264.02" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2008-02-20" OBS_VALUE="265.87" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-02-19" OBS_VALUE="263.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-02-18" OBS_VALUE="263.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-15" OBS_VALUE="263.59" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2008-02-14" OBS_VALUE="261.43" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-02-13" OBS_VALUE="263.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-02-12" OBS_VALUE="262.7" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2008-02-11" OBS_VALUE="264.47" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2008-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-08" OBS_VALUE="265.48" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-02-07" OBS_VALUE="265.9" BBK_DIFF="2.0"/>
      <bbk:Obs TIME_PERIOD="2008-02-06" OBS_VALUE="260.8" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2008-02-05" OBS_VALUE="258.21" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-02-04" OBS_VALUE="256.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-02-01" OBS_VALUE="257.38" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2008-01-31" OBS_VALUE="259.46" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-01-30" OBS_VALUE="257.86" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-01-29" OBS_VALUE="258.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-01-28" OBS_VALUE="258.52" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-25" OBS_VALUE="257.62" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-01-24" OBS_VALUE="257.52" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2008-01-23" OBS_VALUE="259.03" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-01-22" OBS_VALUE="259.72" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2008-01-21" OBS_VALUE="258.48" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2008-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-18" OBS_VALUE="256.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-01-17" OBS_VALUE="255.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-01-16" OBS_VALUE="255.18" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2008-01-15" OBS_VALUE="253.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2008-01-14" OBS_VALUE="253.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-11" OBS_VALUE="253.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-01-10" OBS_VALUE="254.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2008-01-09" OBS_VALUE="254.34" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-01-08" OBS_VALUE="254.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2008-01-07" OBS_VALUE="255.32" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2008-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2008-01-04" OBS_VALUE="253.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2008-01-03" OBS_VALUE="253.67" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2008-01-02" OBS_VALUE="253.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2008-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-31" OBS_VALUE="253.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-28" OBS_VALUE="253.81" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-12-27" OBS_VALUE="254.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-24" OBS_VALUE="253.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-21" OBS_VALUE="254.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-20" OBS_VALUE="253.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-19" OBS_VALUE="253.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-18" OBS_VALUE="253.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-12-17" OBS_VALUE="254.23" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-14" OBS_VALUE="253.01" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-12-13" OBS_VALUE="252.41" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-12" OBS_VALUE="252.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-12-11" OBS_VALUE="251.62" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-12-10" OBS_VALUE="251.61" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-07" OBS_VALUE="252.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-12-06" OBS_VALUE="252.09" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-12-05" OBS_VALUE="252.89" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-12-04" OBS_VALUE="253.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-12-03" OBS_VALUE="253.16" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-30" OBS_VALUE="253.0" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-11-29" OBS_VALUE="254.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-11-28" OBS_VALUE="255.27" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2007-11-27" OBS_VALUE="258.68" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2007-11-26" OBS_VALUE="256.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-23" OBS_VALUE="257.31" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-11-22" OBS_VALUE="256.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-11-21" OBS_VALUE="256.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-11-20" OBS_VALUE="255.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-11-19" OBS_VALUE="254.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-16" OBS_VALUE="254.17" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-11-15" OBS_VALUE="254.42" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-11-14" OBS_VALUE="253.82" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-11-13" OBS_VALUE="254.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-11-12" OBS_VALUE="254.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-09" OBS_VALUE="253.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-11-08" OBS_VALUE="253.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-11-07" OBS_VALUE="253.64" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-11-06" OBS_VALUE="252.22" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-11-05" OBS_VALUE="252.92" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-11-02" OBS_VALUE="252.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-11-01" OBS_VALUE="251.96" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-31" OBS_VALUE="251.41" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-10-30" OBS_VALUE="251.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-29" OBS_VALUE="250.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-26" OBS_VALUE="252.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-10-25" OBS_VALUE="250.79" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-24" OBS_VALUE="251.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-10-23" OBS_VALUE="251.66" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-10-22" OBS_VALUE="253.55" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-19" OBS_VALUE="250.55" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-10-18" OBS_VALUE="251.28" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-10-17" OBS_VALUE="250.44" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-16" OBS_VALUE="251.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-10-15" OBS_VALUE="250.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-12" OBS_VALUE="250.2" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-10-11" OBS_VALUE="249.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-10" OBS_VALUE="249.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-09" OBS_VALUE="250.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-10-08" OBS_VALUE="249.85" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-10-05" OBS_VALUE="250.8" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-10-04" OBS_VALUE="252.61" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-10-03" OBS_VALUE="252.1" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-10-02" OBS_VALUE="251.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-10-01" OBS_VALUE="251.42" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-28" OBS_VALUE="250.69" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-09-27" OBS_VALUE="250.14" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-09-26" OBS_VALUE="250.94" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-09-25" OBS_VALUE="250.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-09-24" OBS_VALUE="250.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-21" OBS_VALUE="249.94" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-09-20" OBS_VALUE="250.85" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-09-19" OBS_VALUE="252.2" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2007-09-18" OBS_VALUE="254.49" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-09-17" OBS_VALUE="255.21" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-14" OBS_VALUE="254.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-09-13" OBS_VALUE="253.94" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-09-12" OBS_VALUE="254.69" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-09-11" OBS_VALUE="254.58" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2007-09-10" OBS_VALUE="256.86" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2007-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-07" OBS_VALUE="254.47" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-09-06" OBS_VALUE="255.59" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-09-05" OBS_VALUE="255.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-09-04" OBS_VALUE="255.67" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-09-03" OBS_VALUE="254.97" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-31" OBS_VALUE="253.91" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-08-30" OBS_VALUE="255.44" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2007-08-29" OBS_VALUE="257.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-08-28" OBS_VALUE="257.42" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-08-27" OBS_VALUE="255.95" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2007-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-24" OBS_VALUE="258.37" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-08-23" OBS_VALUE="257.23" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-08-22" OBS_VALUE="258.85" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-08-21" OBS_VALUE="260.39" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-08-20" OBS_VALUE="259.19" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-17" OBS_VALUE="260.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-08-16" OBS_VALUE="260.2" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-08-15" OBS_VALUE="258.92" BBK_DIFF="1.8"/>
      <bbk:Obs TIME_PERIOD="2007-08-14" OBS_VALUE="254.41" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2007-08-13" OBS_VALUE="252.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-10" OBS_VALUE="253.15" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2007-08-09" OBS_VALUE="250.65" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2007-08-08" OBS_VALUE="248.93" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-08-07" OBS_VALUE="250.75" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-08-06" OBS_VALUE="251.32" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-08-03" OBS_VALUE="250.55" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-08-02" OBS_VALUE="251.81" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-08-01" OBS_VALUE="252.41" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2007-07-31" OBS_VALUE="250.45" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2007-07-30" OBS_VALUE="252.56" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-27" OBS_VALUE="251.91" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2007-07-26" OBS_VALUE="249.04" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2007-07-25" OBS_VALUE="246.46" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-07-24" OBS_VALUE="246.03" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-07-23" OBS_VALUE="245.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-20" OBS_VALUE="245.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-07-19" OBS_VALUE="245.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-07-18" OBS_VALUE="245.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-07-17" OBS_VALUE="245.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-07-16" OBS_VALUE="245.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-13" OBS_VALUE="245.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-07-12" OBS_VALUE="246.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-07-11" OBS_VALUE="246.83" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-07-10" OBS_VALUE="246.19" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-07-09" OBS_VALUE="245.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-07-06" OBS_VALUE="246.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-07-05" OBS_VALUE="246.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-07-04" OBS_VALUE="246.12" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-07-03" OBS_VALUE="245.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-07-02" OBS_VALUE="245.51" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-29" OBS_VALUE="246.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-06-28" OBS_VALUE="247.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-06-27" OBS_VALUE="247.72" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-06-26" OBS_VALUE="247.77" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-06-25" OBS_VALUE="246.84" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-22" OBS_VALUE="245.7" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2007-06-21" OBS_VALUE="248.91" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-06-20" OBS_VALUE="248.08" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-06-19" OBS_VALUE="249.78" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-06-18" OBS_VALUE="250.2" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-15" OBS_VALUE="251.69" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-06-14" OBS_VALUE="252.89" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-06-13" OBS_VALUE="254.37" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-06-12" OBS_VALUE="252.94" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-06-11" OBS_VALUE="253.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-08" OBS_VALUE="254.72" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-06-07" OBS_VALUE="253.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-06-06" OBS_VALUE="252.99" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2007-06-05" OBS_VALUE="250.72" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-06-04" OBS_VALUE="249.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-06-01" OBS_VALUE="250.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-05-31" OBS_VALUE="250.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-05-30" OBS_VALUE="251.03" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2007-05-29" OBS_VALUE="249.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-05-28" OBS_VALUE="249.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-25" OBS_VALUE="249.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-24" OBS_VALUE="249.47" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2007-05-23" OBS_VALUE="247.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-22" OBS_VALUE="247.84" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-05-21" OBS_VALUE="248.89" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2007-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-18" OBS_VALUE="250.83" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-05-17" OBS_VALUE="249.24" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-05-16" OBS_VALUE="248.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-05-15" OBS_VALUE="248.78" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-05-14" OBS_VALUE="247.23" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-11" OBS_VALUE="248.61" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-05-10" OBS_VALUE="248.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-05-09" OBS_VALUE="247.36" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-05-08" OBS_VALUE="245.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-07" OBS_VALUE="246.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-05-04" OBS_VALUE="246.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-03" OBS_VALUE="246.69" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-02" OBS_VALUE="246.83" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-30" OBS_VALUE="247.18" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-27" OBS_VALUE="245.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-04-26" OBS_VALUE="245.88" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-25" OBS_VALUE="246.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-24" OBS_VALUE="245.84" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-04-23" OBS_VALUE="245.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-20" OBS_VALUE="245.63" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2007-04-19" OBS_VALUE="247.02" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-04-18" OBS_VALUE="246.1" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-17" OBS_VALUE="245.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-16" OBS_VALUE="245.16" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-13" OBS_VALUE="245.87" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-04-12" OBS_VALUE="245.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-04-11" OBS_VALUE="245.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-10" OBS_VALUE="245.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-04-05" OBS_VALUE="245.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-04-04" OBS_VALUE="246.12" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-04-03" OBS_VALUE="246.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-04-02" OBS_VALUE="246.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-30" OBS_VALUE="247.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-03-29" OBS_VALUE="248.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-03-28" OBS_VALUE="249.16" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-03-27" OBS_VALUE="247.56" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-03-26" OBS_VALUE="246.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-23" OBS_VALUE="246.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-03-22" OBS_VALUE="245.99" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-03-21" OBS_VALUE="247.68" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-03-20" OBS_VALUE="246.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-03-19" OBS_VALUE="246.17" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2007-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-16" OBS_VALUE="249.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-03-15" OBS_VALUE="250.22" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-03-14" OBS_VALUE="251.28" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-03-13" OBS_VALUE="250.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-03-12" OBS_VALUE="249.89" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-09" OBS_VALUE="251.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-03-08" OBS_VALUE="251.65" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-03-07" OBS_VALUE="252.92" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-03-06" OBS_VALUE="253.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-03-05" OBS_VALUE="254.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-03-02" OBS_VALUE="254.43" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-03-01" OBS_VALUE="256.2" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-02-28" OBS_VALUE="254.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-02-27" OBS_VALUE="254.63" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2007-02-26" OBS_VALUE="252.94" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-23" OBS_VALUE="252.34" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-22" OBS_VALUE="251.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2007-02-21" OBS_VALUE="251.45" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-02-20" OBS_VALUE="252.47" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-19" OBS_VALUE="251.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-16" OBS_VALUE="252.59" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-15" OBS_VALUE="251.87" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2007-02-14" OBS_VALUE="253.52" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-02-13" OBS_VALUE="254.02" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-12" OBS_VALUE="254.71" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2007-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-09" OBS_VALUE="253.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-02-08" OBS_VALUE="253.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-02-07" OBS_VALUE="253.24" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-06" OBS_VALUE="252.48" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2007-02-05" OBS_VALUE="254.65" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-02-02" OBS_VALUE="255.77" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-02-01" OBS_VALUE="254.98" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2007-01-31" OBS_VALUE="257.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-01-30" OBS_VALUE="257.74" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-01-29" OBS_VALUE="256.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-26" OBS_VALUE="255.99" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2007-01-25" OBS_VALUE="254.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-01-24" OBS_VALUE="254.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2007-01-23" OBS_VALUE="253.59" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2007-01-22" OBS_VALUE="251.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-19" OBS_VALUE="252.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2007-01-18" OBS_VALUE="252.56" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-01-17" OBS_VALUE="253.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-01-16" OBS_VALUE="252.84" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2007-01-15" OBS_VALUE="252.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2007-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-12" OBS_VALUE="253.05" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2007-01-11" OBS_VALUE="255.44" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2007-01-10" OBS_VALUE="256.72" BBK_DIFF="1.5"/>
      <bbk:Obs TIME_PERIOD="2007-01-09" OBS_VALUE="253.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-01-08" OBS_VALUE="253.26" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2007-01-05" OBS_VALUE="253.63" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2007-01-04" OBS_VALUE="252.74" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2007-01-03" OBS_VALUE="251.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-01-02" OBS_VALUE="251.44" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2007-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-29" OBS_VALUE="251.77" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-12-28" OBS_VALUE="251.92" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-12-27" OBS_VALUE="253.46" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-22" OBS_VALUE="252.23" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-12-21" OBS_VALUE="252.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-12-20" OBS_VALUE="251.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-12-19" OBS_VALUE="253.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-12-18" OBS_VALUE="252.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-15" OBS_VALUE="253.37" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-12-14" OBS_VALUE="253.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-12-13" OBS_VALUE="253.48" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-12-12" OBS_VALUE="253.98" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-12-11" OBS_VALUE="255.89" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-08" OBS_VALUE="256.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-12-07" OBS_VALUE="256.04" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-12-06" OBS_VALUE="255.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-12-05" OBS_VALUE="255.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-12-04" OBS_VALUE="256.43" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-12-01" OBS_VALUE="256.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-11-30" OBS_VALUE="256.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-11-29" OBS_VALUE="257.16" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-11-28" OBS_VALUE="258.59" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-11-27" OBS_VALUE="258.25" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-24" OBS_VALUE="259.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-11-23" OBS_VALUE="258.63" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-11-22" OBS_VALUE="257.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-11-21" OBS_VALUE="256.8" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2006-11-20" OBS_VALUE="258.78" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-17" OBS_VALUE="257.52" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-11-16" OBS_VALUE="257.04" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-11-15" OBS_VALUE="257.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-11-14" OBS_VALUE="258.38" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-11-13" OBS_VALUE="260.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-10" OBS_VALUE="260.8" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-11-09" OBS_VALUE="259.78" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-11-08" OBS_VALUE="261.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-11-07" OBS_VALUE="260.68" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-11-06" OBS_VALUE="259.32" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-11-03" OBS_VALUE="260.37" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-11-02" OBS_VALUE="260.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-11-01" OBS_VALUE="259.34" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-10-31" OBS_VALUE="260.22" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2006-10-30" OBS_VALUE="262.88" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-27" OBS_VALUE="261.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-10-26" OBS_VALUE="261.09" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-10-25" OBS_VALUE="262.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-10-24" OBS_VALUE="262.92" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-10-23" OBS_VALUE="263.47" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-20" OBS_VALUE="262.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-10-19" OBS_VALUE="263.37" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2006-10-18" OBS_VALUE="266.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-10-17" OBS_VALUE="266.72" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-10-16" OBS_VALUE="265.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-13" OBS_VALUE="265.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-10-12" OBS_VALUE="266.81" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-10-11" OBS_VALUE="267.36" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2006-10-10" OBS_VALUE="270.73" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-10-09" OBS_VALUE="272.03" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-10-06" OBS_VALUE="273.76" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-10-05" OBS_VALUE="274.4" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-10-04" OBS_VALUE="275.88" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-10-03" OBS_VALUE="274.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-10-02" OBS_VALUE="275.0" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2006-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-29" OBS_VALUE="273.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-09-28" OBS_VALUE="273.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-09-27" OBS_VALUE="273.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-09-26" OBS_VALUE="273.08" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-09-25" OBS_VALUE="274.58" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2006-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-22" OBS_VALUE="276.97" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-09-21" OBS_VALUE="274.48" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-09-20" OBS_VALUE="273.47" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-09-19" OBS_VALUE="273.47" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2006-09-18" OBS_VALUE="270.73" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-15" OBS_VALUE="272.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-09-14" OBS_VALUE="273.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-09-13" OBS_VALUE="273.76" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-09-12" OBS_VALUE="274.31" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-09-11" OBS_VALUE="274.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-08" OBS_VALUE="274.85" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-09-07" OBS_VALUE="276.43" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-09-06" OBS_VALUE="275.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-09-05" OBS_VALUE="276.19" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-09-04" OBS_VALUE="277.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-09-01" OBS_VALUE="277.65" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2006-08-31" OBS_VALUE="274.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-08-30" OBS_VALUE="276.28" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-08-29" OBS_VALUE="275.42" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-08-28" OBS_VALUE="276.33" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-25" OBS_VALUE="277.34" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-08-24" OBS_VALUE="279.23" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2006-08-23" OBS_VALUE="275.65" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-08-22" OBS_VALUE="277.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-08-21" OBS_VALUE="278.56" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-18" OBS_VALUE="277.01" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2006-08-17" OBS_VALUE="274.05" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-08-16" OBS_VALUE="276.1" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-08-15" OBS_VALUE="275.28" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-08-14" OBS_VALUE="273.89" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2006-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-11" OBS_VALUE="270.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-08-10" OBS_VALUE="270.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-08-09" OBS_VALUE="269.58" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-08-08" OBS_VALUE="270.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-08-07" OBS_VALUE="270.3" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2006-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-08-04" OBS_VALUE="273.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-08-03" OBS_VALUE="273.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-08-02" OBS_VALUE="273.28" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-08-01" OBS_VALUE="273.21" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-07-31" OBS_VALUE="272.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-28" OBS_VALUE="271.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-07-27" OBS_VALUE="271.64" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-07-26" OBS_VALUE="272.81" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-07-25" OBS_VALUE="272.4" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2006-07-24" OBS_VALUE="276.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-21" OBS_VALUE="276.08" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-07-20" OBS_VALUE="275.0" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2006-07-19" OBS_VALUE="277.87" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-07-18" OBS_VALUE="278.45" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-07-17" OBS_VALUE="280.46" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-14" OBS_VALUE="282.45" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-07-13" OBS_VALUE="279.93" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-07-12" OBS_VALUE="277.5" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-07-11" OBS_VALUE="276.52" BBK_DIFF="-1.6"/>
      <bbk:Obs TIME_PERIOD="2006-07-10" OBS_VALUE="281.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-07" OBS_VALUE="281.26" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-07-06" OBS_VALUE="281.53" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-07-05" OBS_VALUE="279.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-07-04" OBS_VALUE="279.96" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2006-07-03" OBS_VALUE="282.53" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-30" OBS_VALUE="283.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-06-29" OBS_VALUE="283.2" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2006-06-28" OBS_VALUE="280.26" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-06-27" OBS_VALUE="279.13" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-06-26" OBS_VALUE="280.05" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-23" OBS_VALUE="280.84" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-06-22" OBS_VALUE="279.03" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-06-21" OBS_VALUE="279.26" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2006-06-20" OBS_VALUE="276.28" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-06-19" OBS_VALUE="275.47" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2006-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-16" OBS_VALUE="272.8" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-06-15" OBS_VALUE="271.5" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-06-14" OBS_VALUE="269.15" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-06-13" OBS_VALUE="270.73" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2006-06-12" OBS_VALUE="267.7" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2006-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-09" OBS_VALUE="264.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-06-08" OBS_VALUE="264.43" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-06-07" OBS_VALUE="262.84" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-06-06" OBS_VALUE="263.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-06-05" OBS_VALUE="263.94" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2006-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-06-02" OBS_VALUE="261.86" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-06-01" OBS_VALUE="263.2" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-05-31" OBS_VALUE="262.09" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-05-30" OBS_VALUE="261.51" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-05-29" OBS_VALUE="260.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-26" OBS_VALUE="261.16" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-05-25" OBS_VALUE="262.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-05-24" OBS_VALUE="263.33" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-05-23" OBS_VALUE="262.23" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2006-05-22" OBS_VALUE="264.3" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-19" OBS_VALUE="263.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-05-18" OBS_VALUE="265.28" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2006-05-17" OBS_VALUE="262.69" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-16" OBS_VALUE="262.83" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2006-05-15" OBS_VALUE="267.98" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-12" OBS_VALUE="265.03" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2006-05-11" OBS_VALUE="260.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-10" OBS_VALUE="260.57" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-09" OBS_VALUE="260.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-05-08" OBS_VALUE="259.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-05-05" OBS_VALUE="259.8" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-05-04" OBS_VALUE="261.07" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05-03" OBS_VALUE="260.78" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2006-05-02" OBS_VALUE="263.24" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-28" OBS_VALUE="264.08" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-04-27" OBS_VALUE="265.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-04-26" OBS_VALUE="265.78" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-04-25" OBS_VALUE="263.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-04-24" OBS_VALUE="262.43" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2006-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-21" OBS_VALUE="265.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-04-20" OBS_VALUE="266.23" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-04-19" OBS_VALUE="264.55" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2006-04-18" OBS_VALUE="266.67" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-13" OBS_VALUE="267.73" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2006-04-12" OBS_VALUE="265.21" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-04-11" OBS_VALUE="264.96" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2006-04-10" OBS_VALUE="267.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-07" OBS_VALUE="267.07" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2006-04-06" OBS_VALUE="268.02" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2006-04-05" OBS_VALUE="266.23" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-04-04" OBS_VALUE="264.61" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-04-03" OBS_VALUE="263.23" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2006-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-31" OBS_VALUE="265.74" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-03-30" OBS_VALUE="265.4" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2006-03-29" OBS_VALUE="267.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-03-28" OBS_VALUE="266.36" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2006-03-27" OBS_VALUE="264.18" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-24" OBS_VALUE="264.48" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-03-23" OBS_VALUE="263.0" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2006-03-22" OBS_VALUE="266.0" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2006-03-21" OBS_VALUE="263.81" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-03-20" OBS_VALUE="261.58" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-17" OBS_VALUE="259.15" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2006-03-16" OBS_VALUE="261.74" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-03-15" OBS_VALUE="262.43" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2006-03-14" OBS_VALUE="263.92" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2006-03-13" OBS_VALUE="261.44" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2006-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-10" OBS_VALUE="258.71" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-03-09" OBS_VALUE="257.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-03-08" OBS_VALUE="255.8" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-03-07" OBS_VALUE="255.34" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2006-03-06" OBS_VALUE="254.72" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-03-03" OBS_VALUE="254.47" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2006-03-02" OBS_VALUE="253.29" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-03-01" OBS_VALUE="253.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-28" OBS_VALUE="253.23" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-02-27" OBS_VALUE="252.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-24" OBS_VALUE="252.77" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-23" OBS_VALUE="253.06" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-22" OBS_VALUE="253.31" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-02-21" OBS_VALUE="251.87" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-20" OBS_VALUE="251.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-17" OBS_VALUE="251.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-02-16" OBS_VALUE="250.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-02-15" OBS_VALUE="250.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-02-14" OBS_VALUE="251.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-13" OBS_VALUE="251.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-10" OBS_VALUE="250.69" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-09" OBS_VALUE="250.99" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-08" OBS_VALUE="251.29" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2006-02-07" OBS_VALUE="249.9" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-02-06" OBS_VALUE="250.36" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-02-03" OBS_VALUE="251.07" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-02-02" OBS_VALUE="250.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-02-01" OBS_VALUE="251.45" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-01-31" OBS_VALUE="252.71" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-01-30" OBS_VALUE="251.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-27" OBS_VALUE="251.53" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2006-01-26" OBS_VALUE="249.54" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2006-01-25" OBS_VALUE="248.75" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-01-24" OBS_VALUE="249.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2006-01-23" OBS_VALUE="250.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-20" OBS_VALUE="250.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-01-19" OBS_VALUE="251.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-01-18" OBS_VALUE="251.79" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2006-01-17" OBS_VALUE="250.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-01-16" OBS_VALUE="250.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-13" OBS_VALUE="250.51" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-01-12" OBS_VALUE="250.19" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-01-11" OBS_VALUE="249.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-01-10" OBS_VALUE="250.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2006-01-09" OBS_VALUE="249.64" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2006-01-06" OBS_VALUE="250.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2006-01-05" OBS_VALUE="250.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-01-04" OBS_VALUE="251.02" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2006-01-03" OBS_VALUE="251.47" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2006-01-02" OBS_VALUE="252.69" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-30" OBS_VALUE="252.87" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-12-29" OBS_VALUE="252.51" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-12-28" OBS_VALUE="251.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-12-27" OBS_VALUE="251.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-23" OBS_VALUE="251.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-12-22" OBS_VALUE="250.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-12-21" OBS_VALUE="251.19" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-12-20" OBS_VALUE="251.25" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2005-12-19" OBS_VALUE="252.65" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-16" OBS_VALUE="253.13" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-12-15" OBS_VALUE="252.67" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-12-14" OBS_VALUE="252.23" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-12-13" OBS_VALUE="252.82" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2005-12-12" OBS_VALUE="254.45" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2005-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-09" OBS_VALUE="256.07" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-12-08" OBS_VALUE="255.65" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2005-12-07" OBS_VALUE="253.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-12-06" OBS_VALUE="252.79" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-12-05" OBS_VALUE="251.78" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-12-02" OBS_VALUE="252.3" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-12-01" OBS_VALUE="253.24" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-11-30" OBS_VALUE="252.67" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2005-11-29" OBS_VALUE="251.46" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-11-28" OBS_VALUE="251.03" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-25" OBS_VALUE="251.57" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-24" OBS_VALUE="251.76" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-11-23" OBS_VALUE="252.55" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2005-11-22" OBS_VALUE="254.18" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-21" OBS_VALUE="253.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2005-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-18" OBS_VALUE="252.63" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-11-17" OBS_VALUE="252.23" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2005-11-16" OBS_VALUE="250.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-15" OBS_VALUE="250.26" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-14" OBS_VALUE="250.11" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-11" OBS_VALUE="251.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-10" OBS_VALUE="251.27" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2005-11-09" OBS_VALUE="248.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-08" OBS_VALUE="248.66" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-11-07" OBS_VALUE="249.59" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-11-04" OBS_VALUE="249.13" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-11-03" OBS_VALUE="248.23" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2005-11-02" OBS_VALUE="250.39" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-11-01" OBS_VALUE="250.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-10-31" OBS_VALUE="250.54" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-28" OBS_VALUE="251.36" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-10-27" OBS_VALUE="252.43" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-10-26" OBS_VALUE="252.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-10-25" OBS_VALUE="253.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-10-24" OBS_VALUE="253.46" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-21" OBS_VALUE="254.16" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-10-20" OBS_VALUE="253.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-10-19" OBS_VALUE="253.42" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-10-18" OBS_VALUE="252.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-10-17" OBS_VALUE="251.75" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2005-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-14" OBS_VALUE="253.48" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-10-13" OBS_VALUE="252.62" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2005-10-12" OBS_VALUE="250.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-10-11" OBS_VALUE="249.96" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-10-10" OBS_VALUE="250.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-07" OBS_VALUE="250.61" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-10-06" OBS_VALUE="251.75" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2005-10-05" OBS_VALUE="249.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-10-04" OBS_VALUE="250.49" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-10-03" OBS_VALUE="250.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-30" OBS_VALUE="249.61" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-09-29" OBS_VALUE="248.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-09-28" OBS_VALUE="248.31" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-09-27" OBS_VALUE="247.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-09-26" OBS_VALUE="246.95" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-23" OBS_VALUE="248.08" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-09-22" OBS_VALUE="247.34" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-09-21" OBS_VALUE="246.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-09-20" OBS_VALUE="245.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-09-19" OBS_VALUE="245.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-16" OBS_VALUE="245.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-09-15" OBS_VALUE="245.29" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-09-14" OBS_VALUE="245.42" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-09-13" OBS_VALUE="245.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-09-12" OBS_VALUE="244.53" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-09" OBS_VALUE="244.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-09-08" OBS_VALUE="244.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-09-07" OBS_VALUE="244.16" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-09-06" OBS_VALUE="243.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-09-05" OBS_VALUE="243.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-09-02" OBS_VALUE="243.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-09-01" OBS_VALUE="243.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-08-31" OBS_VALUE="244.48" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-08-30" OBS_VALUE="245.05" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-08-29" OBS_VALUE="245.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-26" OBS_VALUE="245.59" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-08-25" OBS_VALUE="245.6" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-24" OBS_VALUE="245.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-23" OBS_VALUE="246.08" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2005-08-22" OBS_VALUE="243.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-19" OBS_VALUE="243.59" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-08-18" OBS_VALUE="243.59" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-08-17" OBS_VALUE="244.24" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-08-16" OBS_VALUE="243.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-15" OBS_VALUE="244.16" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-12" OBS_VALUE="243.92" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-11" OBS_VALUE="243.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-08-10" OBS_VALUE="243.61" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-09" OBS_VALUE="243.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-08" OBS_VALUE="243.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-08-05" OBS_VALUE="244.09" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-04" OBS_VALUE="244.24" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-08-03" OBS_VALUE="244.37" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-08-02" OBS_VALUE="244.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-08-01" OBS_VALUE="244.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-29" OBS_VALUE="244.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-07-28" OBS_VALUE="245.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-07-27" OBS_VALUE="245.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-07-26" OBS_VALUE="246.09" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-07-25" OBS_VALUE="245.52" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-22" OBS_VALUE="245.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-07-21" OBS_VALUE="245.56" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-07-20" OBS_VALUE="246.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-07-19" OBS_VALUE="246.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-07-18" OBS_VALUE="246.48" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-15" OBS_VALUE="246.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-07-14" OBS_VALUE="246.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-07-13" OBS_VALUE="247.13" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-07-12" OBS_VALUE="246.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-07-11" OBS_VALUE="247.04" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-08" OBS_VALUE="247.82" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-07-07" OBS_VALUE="248.56" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2005-07-06" OBS_VALUE="247.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-07-05" OBS_VALUE="247.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-07-04" OBS_VALUE="247.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-07-01" OBS_VALUE="246.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-30" OBS_VALUE="247.24" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-29" OBS_VALUE="247.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-06-28" OBS_VALUE="247.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-06-27" OBS_VALUE="247.72" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-24" OBS_VALUE="247.17" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-06-23" OBS_VALUE="247.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-22" OBS_VALUE="247.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-06-21" OBS_VALUE="247.92" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-20" OBS_VALUE="248.47" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-17" OBS_VALUE="247.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-06-16" OBS_VALUE="247.97" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-06-15" OBS_VALUE="248.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-06-14" OBS_VALUE="248.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-13" OBS_VALUE="249.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-10" OBS_VALUE="249.97" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-09" OBS_VALUE="250.56" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-08" OBS_VALUE="249.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-06-07" OBS_VALUE="249.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-06-06" OBS_VALUE="249.36" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-06-03" OBS_VALUE="250.63" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2005-06-02" OBS_VALUE="252.79" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-06-01" OBS_VALUE="254.09" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-05-31" OBS_VALUE="253.6" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-05-30" OBS_VALUE="254.01" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-27" OBS_VALUE="253.16" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-05-26" OBS_VALUE="254.26" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-05-25" OBS_VALUE="255.18" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2005-05-24" OBS_VALUE="253.9" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2005-05-23" OBS_VALUE="252.45" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-20" OBS_VALUE="251.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-05-19" OBS_VALUE="251.45" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-05-18" OBS_VALUE="252.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-05-17" OBS_VALUE="252.98" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-05-16" OBS_VALUE="252.7" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2005-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-13" OBS_VALUE="250.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-05-12" OBS_VALUE="250.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-05-11" OBS_VALUE="250.68" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-05-10" OBS_VALUE="251.33" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2005-05-09" OBS_VALUE="249.5" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-05-06" OBS_VALUE="249.68" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-05-05" OBS_VALUE="248.91" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-05-04" OBS_VALUE="250.05" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2005-05-03" OBS_VALUE="251.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-05-02" OBS_VALUE="252.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-29" OBS_VALUE="252.51" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-04-28" OBS_VALUE="252.09" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2005-04-27" OBS_VALUE="249.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-04-26" OBS_VALUE="249.23" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-04-25" OBS_VALUE="249.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-22" OBS_VALUE="249.15" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-04-21" OBS_VALUE="248.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-04-20" OBS_VALUE="248.23" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2005-04-19" OBS_VALUE="250.4" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2005-04-18" OBS_VALUE="248.47" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-15" OBS_VALUE="247.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-04-14" OBS_VALUE="246.87" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-04-13" OBS_VALUE="246.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-04-12" OBS_VALUE="245.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-04-11" OBS_VALUE="245.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-08" OBS_VALUE="245.96" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-04-07" OBS_VALUE="246.4" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-04-06" OBS_VALUE="247.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-04-05" OBS_VALUE="247.44" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-04-04" OBS_VALUE="247.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-04-01" OBS_VALUE="247.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-03-31" OBS_VALUE="247.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-03-30" OBS_VALUE="247.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-03-29" OBS_VALUE="248.25" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2005-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-24" OBS_VALUE="247.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-03-23" OBS_VALUE="247.7" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2005-03-22" OBS_VALUE="246.03" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2005-03-21" OBS_VALUE="247.15" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2005-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-18" OBS_VALUE="245.66" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2005-03-17" OBS_VALUE="247.84" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2005-03-16" OBS_VALUE="246.08" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2005-03-15" OBS_VALUE="244.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-03-14" OBS_VALUE="245.13" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2005-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-11" OBS_VALUE="243.2" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-03-10" OBS_VALUE="243.88" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2005-03-09" OBS_VALUE="241.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-03-08" OBS_VALUE="241.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-03-07" OBS_VALUE="241.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-03-04" OBS_VALUE="242.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-03-03" OBS_VALUE="242.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-03-02" OBS_VALUE="242.21" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-03-01" OBS_VALUE="241.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-02-28" OBS_VALUE="241.84" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-25" OBS_VALUE="242.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-24" OBS_VALUE="242.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-02-23" OBS_VALUE="242.14" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-02-22" OBS_VALUE="242.97" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-02-21" OBS_VALUE="243.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-18" OBS_VALUE="243.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-17" OBS_VALUE="243.27" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-02-16" OBS_VALUE="243.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-02-15" OBS_VALUE="244.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-02-14" OBS_VALUE="244.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-11" OBS_VALUE="244.47" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-02-10" OBS_VALUE="244.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-09" OBS_VALUE="244.3" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-08" OBS_VALUE="244.16" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-07" OBS_VALUE="243.98" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-02-04" OBS_VALUE="243.79" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-02-03" OBS_VALUE="244.37" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-02-02" OBS_VALUE="245.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-02-01" OBS_VALUE="245.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-31" OBS_VALUE="245.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-28" OBS_VALUE="245.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-27" OBS_VALUE="245.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-26" OBS_VALUE="245.61" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-01-25" OBS_VALUE="245.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-01-24" OBS_VALUE="246.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-21" OBS_VALUE="246.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-20" OBS_VALUE="246.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2005-01-19" OBS_VALUE="246.53" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-01-18" OBS_VALUE="246.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-17" OBS_VALUE="246.08" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-14" OBS_VALUE="246.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2005-01-13" OBS_VALUE="246.91" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-01-12" OBS_VALUE="247.75" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2005-01-11" OBS_VALUE="246.4" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2005-01-10" OBS_VALUE="247.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2005-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-07" OBS_VALUE="248.58" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-01-06" OBS_VALUE="247.93" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2005-01-05" OBS_VALUE="246.17" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2005-01-04" OBS_VALUE="245.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2005-01-03" OBS_VALUE="245.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2005-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2005-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-31" OBS_VALUE="245.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-12-30" OBS_VALUE="245.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-12-29" OBS_VALUE="245.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-12-28" OBS_VALUE="245.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-12-27" OBS_VALUE="245.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-24" OBS_VALUE="246.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-12-23" OBS_VALUE="245.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-12-22" OBS_VALUE="245.71" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-12-21" OBS_VALUE="245.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-12-20" OBS_VALUE="244.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-17" OBS_VALUE="245.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-12-16" OBS_VALUE="245.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-12-15" OBS_VALUE="245.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-12-14" OBS_VALUE="246.58" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-12-13" OBS_VALUE="247.21" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-10" OBS_VALUE="247.78" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-12-09" OBS_VALUE="247.23" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2004-12-08" OBS_VALUE="245.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-12-07" OBS_VALUE="245.74" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-12-06" OBS_VALUE="245.49" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-12-03" OBS_VALUE="244.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-12-02" OBS_VALUE="244.37" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-12-01" OBS_VALUE="244.83" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-11-30" OBS_VALUE="245.74" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-11-29" OBS_VALUE="246.54" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-26" OBS_VALUE="245.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-11-25" OBS_VALUE="245.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-11-24" OBS_VALUE="245.1" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-23" OBS_VALUE="244.8" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2004-11-22" OBS_VALUE="246.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-19" OBS_VALUE="246.8" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-11-18" OBS_VALUE="245.92" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-11-17" OBS_VALUE="244.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-16" OBS_VALUE="244.43" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-11-15" OBS_VALUE="243.87" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-12" OBS_VALUE="244.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-11-11" OBS_VALUE="244.46" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-10" OBS_VALUE="244.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-11-09" OBS_VALUE="245.41" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-08" OBS_VALUE="245.27" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-11-05" OBS_VALUE="245.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-04" OBS_VALUE="245.44" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-11-03" OBS_VALUE="245.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-02" OBS_VALUE="245.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-11-01" OBS_VALUE="245.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-29" OBS_VALUE="246.04" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-10-28" OBS_VALUE="246.38" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-10-27" OBS_VALUE="247.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-10-26" OBS_VALUE="247.78" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-10-25" OBS_VALUE="247.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-22" OBS_VALUE="246.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-10-21" OBS_VALUE="246.89" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-10-20" OBS_VALUE="246.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-10-19" OBS_VALUE="246.62" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-10-18" OBS_VALUE="247.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-15" OBS_VALUE="247.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-10-14" OBS_VALUE="247.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-10-13" OBS_VALUE="247.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-10-12" OBS_VALUE="246.3" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-10-11" OBS_VALUE="245.55" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-08" OBS_VALUE="246.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-10-07" OBS_VALUE="246.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-10-06" OBS_VALUE="245.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-10-05" OBS_VALUE="245.61" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-10-04" OBS_VALUE="246.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-10-01" OBS_VALUE="246.25" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-09-30" OBS_VALUE="247.41" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-09-29" OBS_VALUE="246.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-09-28" OBS_VALUE="246.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-09-27" OBS_VALUE="245.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-24" OBS_VALUE="246.32" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-09-23" OBS_VALUE="245.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-09-22" OBS_VALUE="246.23" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-09-21" OBS_VALUE="246.03" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-09-20" OBS_VALUE="246.99" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-17" OBS_VALUE="247.68" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-09-16" OBS_VALUE="247.2" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-09-15" OBS_VALUE="247.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-09-14" OBS_VALUE="248.38" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-09-13" OBS_VALUE="249.22" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2004-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-10" OBS_VALUE="250.93" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-09-09" OBS_VALUE="249.59" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-09-08" OBS_VALUE="248.55" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-09-07" OBS_VALUE="247.86" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-09-06" OBS_VALUE="247.88" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-09-03" OBS_VALUE="247.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-09-02" OBS_VALUE="248.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-09-01" OBS_VALUE="248.55" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-08-31" OBS_VALUE="249.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-08-30" OBS_VALUE="249.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-27" OBS_VALUE="249.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-08-26" OBS_VALUE="249.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-08-25" OBS_VALUE="249.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-08-24" OBS_VALUE="249.25" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2004-08-23" OBS_VALUE="251.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-20" OBS_VALUE="251.58" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2004-08-19" OBS_VALUE="249.5" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2004-08-18" OBS_VALUE="247.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-08-17" OBS_VALUE="247.33" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-08-16" OBS_VALUE="248.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-13" OBS_VALUE="248.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-08-12" OBS_VALUE="247.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-08-11" OBS_VALUE="247.63" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-08-10" OBS_VALUE="246.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-08-09" OBS_VALUE="246.54" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2004-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-08-06" OBS_VALUE="248.21" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-08-05" OBS_VALUE="248.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-08-04" OBS_VALUE="250.14" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-08-03" OBS_VALUE="250.75" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2004-08-02" OBS_VALUE="248.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-30" OBS_VALUE="248.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-07-29" OBS_VALUE="247.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-07-28" OBS_VALUE="247.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-07-27" OBS_VALUE="248.39" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-07-26" OBS_VALUE="249.03" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-23" OBS_VALUE="248.99" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-07-22" OBS_VALUE="249.78" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-21" OBS_VALUE="249.94" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-07-20" OBS_VALUE="249.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-07-19" OBS_VALUE="249.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-16" OBS_VALUE="250.1" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-15" OBS_VALUE="250.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-14" OBS_VALUE="249.93" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-07-13" OBS_VALUE="250.65" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-07-12" OBS_VALUE="251.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-09" OBS_VALUE="251.7" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-07-08" OBS_VALUE="250.87" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-07" OBS_VALUE="250.7" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-06" OBS_VALUE="250.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-05" OBS_VALUE="250.2" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-07-02" OBS_VALUE="251.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-07-01" OBS_VALUE="251.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-30" OBS_VALUE="251.6" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-06-29" OBS_VALUE="252.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-06-28" OBS_VALUE="253.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-25" OBS_VALUE="253.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-24" OBS_VALUE="253.25" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-06-23" OBS_VALUE="254.2" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-06-22" OBS_VALUE="255.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-06-21" OBS_VALUE="254.35" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-18" OBS_VALUE="255.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-17" OBS_VALUE="254.98" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2004-06-16" OBS_VALUE="252.97" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-06-15" OBS_VALUE="253.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-06-14" OBS_VALUE="253.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-11" OBS_VALUE="253.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-06-10" OBS_VALUE="253.1" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-06-09" OBS_VALUE="251.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-06-08" OBS_VALUE="251.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-06-07" OBS_VALUE="251.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-06-04" OBS_VALUE="252.11" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-03" OBS_VALUE="251.79" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-02" OBS_VALUE="251.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-06-01" OBS_VALUE="251.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-05-31" OBS_VALUE="251.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-28" OBS_VALUE="251.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-05-27" OBS_VALUE="251.17" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-05-26" OBS_VALUE="251.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-05-25" OBS_VALUE="252.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-05-24" OBS_VALUE="252.3" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-21" OBS_VALUE="253.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-05-20" OBS_VALUE="252.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-05-19" OBS_VALUE="252.75" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-05-18" OBS_VALUE="253.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-05-17" OBS_VALUE="253.85" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2004-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-14" OBS_VALUE="256.45" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-05-13" OBS_VALUE="255.95" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-05-12" OBS_VALUE="254.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-05-11" OBS_VALUE="254.2" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2004-05-10" OBS_VALUE="256.35" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="2004-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-07" OBS_VALUE="252.37" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-05-06" OBS_VALUE="251.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-05-05" OBS_VALUE="250.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-05-04" OBS_VALUE="251.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-05-03" OBS_VALUE="251.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-30" OBS_VALUE="251.15" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2004-04-29" OBS_VALUE="253.77" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2004-04-28" OBS_VALUE="251.45" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-04-27" OBS_VALUE="250.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-04-26" OBS_VALUE="249.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-23" OBS_VALUE="250.32" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-04-22" OBS_VALUE="251.62" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2004-04-21" OBS_VALUE="250.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-04-20" OBS_VALUE="250.25" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2004-04-19" OBS_VALUE="251.69" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-16" OBS_VALUE="252.44" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2004-04-15" OBS_VALUE="253.9" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2004-04-14" OBS_VALUE="250.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-04-13" OBS_VALUE="249.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-08" OBS_VALUE="248.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2004-04-07" OBS_VALUE="248.1" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-04-06" OBS_VALUE="247.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-04-05" OBS_VALUE="248.1" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-04-02" OBS_VALUE="249.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-04-01" OBS_VALUE="249.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-03-31" OBS_VALUE="249.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-03-30" OBS_VALUE="249.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-03-29" OBS_VALUE="250.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-26" OBS_VALUE="251.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-03-25" OBS_VALUE="251.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-03-24" OBS_VALUE="251.07" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-03-23" OBS_VALUE="251.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-03-22" OBS_VALUE="253.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-19" OBS_VALUE="253.56" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-03-18" OBS_VALUE="254.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-03-17" OBS_VALUE="254.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-03-16" OBS_VALUE="255.0" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-03-15" OBS_VALUE="253.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-12" OBS_VALUE="253.85" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-03-11" OBS_VALUE="252.55" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-03-10" OBS_VALUE="253.56" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-03-09" OBS_VALUE="253.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-03-08" OBS_VALUE="254.05" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2004-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-03-05" OBS_VALUE="256.22" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2004-03-04" OBS_VALUE="254.35" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2004-03-03" OBS_VALUE="256.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-03-02" OBS_VALUE="255.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-03-01" OBS_VALUE="256.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-02-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-27" OBS_VALUE="257.05" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2004-02-26" OBS_VALUE="258.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-02-25" OBS_VALUE="258.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-02-24" OBS_VALUE="258.85" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2004-02-23" OBS_VALUE="261.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-20" OBS_VALUE="261.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2004-02-19" OBS_VALUE="261.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2004-02-18" OBS_VALUE="262.85" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-02-17" OBS_VALUE="263.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-02-16" OBS_VALUE="263.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-13" OBS_VALUE="263.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-02-12" OBS_VALUE="264.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2004-02-11" OBS_VALUE="265.3" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-02-10" OBS_VALUE="264.24" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2004-02-09" OBS_VALUE="267.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-02-06" OBS_VALUE="268.45" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2004-02-05" OBS_VALUE="266.85" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2004-02-04" OBS_VALUE="264.53" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2004-02-03" OBS_VALUE="266.6" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2004-02-02" OBS_VALUE="264.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-30" OBS_VALUE="264.55" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-01-29" OBS_VALUE="263.36" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-01-28" OBS_VALUE="263.2" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2004-01-27" OBS_VALUE="262.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-01-26" OBS_VALUE="262.26" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-23" OBS_VALUE="262.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2004-01-22" OBS_VALUE="262.63" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-01-21" OBS_VALUE="263.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-01-20" OBS_VALUE="264.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-01-19" OBS_VALUE="264.6" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2004-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-16" OBS_VALUE="267.07" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2004-01-15" OBS_VALUE="267.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2004-01-14" OBS_VALUE="265.85" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2004-01-13" OBS_VALUE="268.2" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2004-01-12" OBS_VALUE="270.25" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2004-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-09" OBS_VALUE="268.2" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2004-01-08" OBS_VALUE="263.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2004-01-07" OBS_VALUE="262.55" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2004-01-06" OBS_VALUE="260.23" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2004-01-05" OBS_VALUE="261.48" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2004-01-02" OBS_VALUE="261.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2004-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-31" OBS_VALUE="262.5" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-12-30" OBS_VALUE="261.69" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-12-29" OBS_VALUE="260.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-24" OBS_VALUE="260.36" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2003-12-23" OBS_VALUE="262.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-12-22" OBS_VALUE="262.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-19" OBS_VALUE="262.49" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-12-18" OBS_VALUE="263.72" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-12-17" OBS_VALUE="263.75" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-12-16" OBS_VALUE="264.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-12-15" OBS_VALUE="263.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-12" OBS_VALUE="263.25" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-12-11" OBS_VALUE="262.4" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-12-10" OBS_VALUE="263.69" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2003-12-09" OBS_VALUE="267.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-12-08" OBS_VALUE="267.84" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-12-05" OBS_VALUE="266.45" BBK_DIFF="-1.4"/>
      <bbk:Obs TIME_PERIOD="2003-12-04" OBS_VALUE="270.3" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2003-12-03" OBS_VALUE="272.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-12-02" OBS_VALUE="273.92" BBK_DIFF="4.1"/>
      <bbk:Obs TIME_PERIOD="2003-12-01" OBS_VALUE="263.05" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2003-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-28" OBS_VALUE="264.74" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-11-27" OBS_VALUE="264.29" BBK_DIFF="1.1"/>
      <bbk:Obs TIME_PERIOD="2003-11-26" OBS_VALUE="261.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-11-25" OBS_VALUE="262.1" BBK_DIFF="1.3"/>
      <bbk:Obs TIME_PERIOD="2003-11-24" OBS_VALUE="258.79" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-21" OBS_VALUE="257.8" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-11-20" OBS_VALUE="258.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-11-19" OBS_VALUE="258.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-11-18" OBS_VALUE="257.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-11-17" OBS_VALUE="257.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-14" OBS_VALUE="257.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-11-13" OBS_VALUE="258.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-11-12" OBS_VALUE="258.65" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-11-11" OBS_VALUE="257.61" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-11-10" OBS_VALUE="257.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-07" OBS_VALUE="257.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-11-06" OBS_VALUE="257.73" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-11-05" OBS_VALUE="257.15" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="2003-11-04" OBS_VALUE="260.43" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2003-11-03" OBS_VALUE="262.8" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2003-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-11-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-31" OBS_VALUE="259.26" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2003-10-30" OBS_VALUE="256.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-10-29" OBS_VALUE="256.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-10-28" OBS_VALUE="256.2" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2003-10-27" OBS_VALUE="258.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-24" OBS_VALUE="258.25" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2003-10-23" OBS_VALUE="256.66" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-10-22" OBS_VALUE="255.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-10-21" OBS_VALUE="256.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-10-20" OBS_VALUE="256.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-17" OBS_VALUE="256.65" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-10-16" OBS_VALUE="257.35" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-10-15" OBS_VALUE="256.34" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-10-14" OBS_VALUE="255.48" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-10-13" OBS_VALUE="256.7" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2003-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-10" OBS_VALUE="254.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-10-09" OBS_VALUE="253.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-10-08" OBS_VALUE="253.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-10-07" OBS_VALUE="253.96" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-10-06" OBS_VALUE="253.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-10-03" OBS_VALUE="253.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-10-02" OBS_VALUE="253.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-10-01" OBS_VALUE="253.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-09-30" OBS_VALUE="254.96" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-09-29" OBS_VALUE="253.71" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-26" OBS_VALUE="254.58" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-09-25" OBS_VALUE="254.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-09-24" OBS_VALUE="253.42" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-09-23" OBS_VALUE="254.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-09-22" OBS_VALUE="255.04" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-19" OBS_VALUE="255.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-09-18" OBS_VALUE="256.24" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-09-17" OBS_VALUE="255.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-09-16" OBS_VALUE="254.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-09-15" OBS_VALUE="254.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-12" OBS_VALUE="255.41" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-09-11" OBS_VALUE="255.4" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-09-10" OBS_VALUE="256.34" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-09-09" OBS_VALUE="256.22" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-09-08" OBS_VALUE="256.36" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-09-05" OBS_VALUE="255.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-09-04" OBS_VALUE="255.85" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-09-03" OBS_VALUE="256.88" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-09-02" OBS_VALUE="257.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-09-01" OBS_VALUE="257.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-29" OBS_VALUE="257.46" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-08-28" OBS_VALUE="256.6" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-08-27" OBS_VALUE="257.86" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-08-26" OBS_VALUE="256.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-08-25" OBS_VALUE="256.21" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-22" OBS_VALUE="257.39" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-08-21" OBS_VALUE="258.65" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-08-20" OBS_VALUE="259.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-08-19" OBS_VALUE="259.74" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2003-08-18" OBS_VALUE="261.36" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-15" OBS_VALUE="260.92" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-08-14" OBS_VALUE="260.55" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2003-08-13" OBS_VALUE="258.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-08-12" OBS_VALUE="258.64" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-08-11" OBS_VALUE="258.5" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-08" OBS_VALUE="259.24" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2003-08-07" OBS_VALUE="261.32" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-08-06" OBS_VALUE="261.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-08-05" OBS_VALUE="262.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-08-04" OBS_VALUE="263.03" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-08-01" OBS_VALUE="264.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-07-31" OBS_VALUE="263.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-07-30" OBS_VALUE="263.38" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-07-29" OBS_VALUE="262.67" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-07-28" OBS_VALUE="263.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-25" OBS_VALUE="264.06" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2003-07-24" OBS_VALUE="265.98" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2003-07-23" OBS_VALUE="267.64" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-07-22" OBS_VALUE="266.32" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-07-21" OBS_VALUE="265.95" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-18" OBS_VALUE="267.35" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2003-07-17" OBS_VALUE="264.65" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2003-07-16" OBS_VALUE="262.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-07-15" OBS_VALUE="261.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-07-14" OBS_VALUE="260.79" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-11" OBS_VALUE="261.58" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-07-10" OBS_VALUE="261.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-07-09" OBS_VALUE="262.05" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-07-08" OBS_VALUE="262.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-07-07" OBS_VALUE="263.02" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-07-04" OBS_VALUE="263.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-07-03" OBS_VALUE="263.31" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-07-02" OBS_VALUE="263.14" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2003-07-01" OBS_VALUE="264.63" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2003-06-30" OBS_VALUE="266.61" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-27" OBS_VALUE="266.25" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2003-06-26" OBS_VALUE="262.97" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2003-06-25" OBS_VALUE="260.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-06-24" OBS_VALUE="260.54" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-06-23" OBS_VALUE="260.3" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2003-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-20" OBS_VALUE="262.07" BBK_DIFF="-1.5"/>
      <bbk:Obs TIME_PERIOD="2003-06-19" OBS_VALUE="266.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-06-18" OBS_VALUE="265.87" BBK_DIFF="1.2"/>
      <bbk:Obs TIME_PERIOD="2003-06-17" OBS_VALUE="262.7" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2003-06-16" OBS_VALUE="261.13" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-13" OBS_VALUE="259.71" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-06-12" OBS_VALUE="258.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-06-11" OBS_VALUE="257.75" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2003-06-10" OBS_VALUE="259.4" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2003-06-09" OBS_VALUE="261.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-06-06" OBS_VALUE="260.5" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2003-06-05" OBS_VALUE="263.53" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-06-04" OBS_VALUE="263.5" BBK_DIFF="3.8"/>
      <bbk:Obs TIME_PERIOD="2003-06-03" OBS_VALUE="253.75" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2003-06-02" OBS_VALUE="252.12" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2003-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-30" OBS_VALUE="249.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-05-29" OBS_VALUE="249.92" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2003-05-28" OBS_VALUE="246.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-05-27" OBS_VALUE="245.82" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-05-26" OBS_VALUE="245.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-23" OBS_VALUE="246.07" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-05-22" OBS_VALUE="245.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-21" OBS_VALUE="245.88" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-05-20" OBS_VALUE="245.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-19" OBS_VALUE="245.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-16" OBS_VALUE="245.12" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-05-15" OBS_VALUE="244.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-14" OBS_VALUE="244.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-05-13" OBS_VALUE="244.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-05-12" OBS_VALUE="245.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-09" OBS_VALUE="245.13" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-05-08" OBS_VALUE="244.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-07" OBS_VALUE="244.89" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-05-06" OBS_VALUE="245.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-05" OBS_VALUE="245.01" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-05-02" OBS_VALUE="245.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-30" OBS_VALUE="245.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-04-29" OBS_VALUE="245.68" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-04-28" OBS_VALUE="245.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-25" OBS_VALUE="245.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-04-24" OBS_VALUE="245.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-04-23" OBS_VALUE="245.63" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-04-22" OBS_VALUE="246.24" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-17" OBS_VALUE="245.37" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-04-16" OBS_VALUE="245.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-04-15" OBS_VALUE="245.12" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-04-14" OBS_VALUE="245.52" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-11" OBS_VALUE="244.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-04-10" OBS_VALUE="244.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-04-09" OBS_VALUE="244.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-04-08" OBS_VALUE="244.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-04-07" OBS_VALUE="244.84" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-04-04" OBS_VALUE="245.43" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-04-03" OBS_VALUE="246.21" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-04-02" OBS_VALUE="247.52" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-04-01" OBS_VALUE="248.06" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2003-03-31" OBS_VALUE="246.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-28" OBS_VALUE="246.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-03-27" OBS_VALUE="246.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-03-26" OBS_VALUE="246.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-03-25" OBS_VALUE="246.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-24" OBS_VALUE="246.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-21" OBS_VALUE="246.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-20" OBS_VALUE="246.09" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-03-19" OBS_VALUE="245.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-03-18" OBS_VALUE="245.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-03-17" OBS_VALUE="244.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-14" OBS_VALUE="244.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-13" OBS_VALUE="244.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-12" OBS_VALUE="245.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-11" OBS_VALUE="245.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-03-10" OBS_VALUE="245.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-07" OBS_VALUE="245.24" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-06" OBS_VALUE="245.06" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-03-05" OBS_VALUE="245.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-03-04" OBS_VALUE="245.31" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2003-03-03" OBS_VALUE="244.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2003-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-03-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-28" OBS_VALUE="243.64" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-02-27" OBS_VALUE="243.29" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-02-26" OBS_VALUE="244.29" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-02-25" OBS_VALUE="244.56" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-02-24" OBS_VALUE="245.31" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-21" OBS_VALUE="246.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-02-20" OBS_VALUE="246.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-02-19" OBS_VALUE="246.23" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-02-18" OBS_VALUE="245.72" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-02-17" OBS_VALUE="245.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-14" OBS_VALUE="245.45" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-02-13" OBS_VALUE="244.32" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2003-02-12" OBS_VALUE="244.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-02-11" OBS_VALUE="245.04" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2003-02-10" OBS_VALUE="246.28" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-07" OBS_VALUE="246.67" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-02-06" OBS_VALUE="245.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-02-05" OBS_VALUE="245.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2003-02-04" OBS_VALUE="244.11" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-02-03" OBS_VALUE="243.73" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-02-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-31" OBS_VALUE="243.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2003-01-30" OBS_VALUE="243.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-29" OBS_VALUE="243.23" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-01-28" OBS_VALUE="244.22" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2003-01-27" OBS_VALUE="245.21" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2003-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-24" OBS_VALUE="246.87" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2003-01-23" OBS_VALUE="248.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-22" OBS_VALUE="248.53" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2003-01-21" OBS_VALUE="246.74" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2003-01-20" OBS_VALUE="244.31" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2003-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-17" OBS_VALUE="246.2" BBK_DIFF="4.9"/>
      <bbk:Obs TIME_PERIOD="2003-01-16" OBS_VALUE="234.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-15" OBS_VALUE="234.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-01-14" OBS_VALUE="234.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-01-13" OBS_VALUE="234.94" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-10" OBS_VALUE="235.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-01-09" OBS_VALUE="235.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-08" OBS_VALUE="235.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-01-07" OBS_VALUE="235.31" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-06" OBS_VALUE="235.46" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2003-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2003-01-03" OBS_VALUE="235.46" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2003-01-02" OBS_VALUE="235.78" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2003-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-31" OBS_VALUE="236.29" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-30" OBS_VALUE="235.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-27" OBS_VALUE="235.73" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-24" OBS_VALUE="235.61" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-23" OBS_VALUE="235.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-20" OBS_VALUE="235.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-12-19" OBS_VALUE="235.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-18" OBS_VALUE="235.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-12-17" OBS_VALUE="235.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-12-16" OBS_VALUE="235.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-13" OBS_VALUE="235.68" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-12" OBS_VALUE="235.92" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-11" OBS_VALUE="236.06" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-12-10" OBS_VALUE="236.51" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-09" OBS_VALUE="236.36" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-12-06" OBS_VALUE="236.58" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-12-05" OBS_VALUE="236.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-12-04" OBS_VALUE="237.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-12-03" OBS_VALUE="237.38" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-12-02" OBS_VALUE="236.85" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-29" OBS_VALUE="237.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-11-28" OBS_VALUE="237.95" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2002-11-27" OBS_VALUE="236.76" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-11-26" OBS_VALUE="236.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-11-25" OBS_VALUE="236.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-22" OBS_VALUE="236.98" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-11-21" OBS_VALUE="237.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-11-20" OBS_VALUE="237.67" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-11-19" OBS_VALUE="236.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-11-18" OBS_VALUE="237.03" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-15" OBS_VALUE="237.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-11-14" OBS_VALUE="237.86" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-11-13" OBS_VALUE="238.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-11-12" OBS_VALUE="238.52" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-11-11" OBS_VALUE="238.21" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-08" OBS_VALUE="239.03" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-11-07" OBS_VALUE="239.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-11-06" OBS_VALUE="239.65" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2002-11-05" OBS_VALUE="241.14" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-11-04" OBS_VALUE="241.1" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-11-01" OBS_VALUE="241.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-31" OBS_VALUE="241.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-30" OBS_VALUE="241.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-10-29" OBS_VALUE="241.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-28" OBS_VALUE="241.41" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-25" OBS_VALUE="241.12" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-10-24" OBS_VALUE="241.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-23" OBS_VALUE="241.83" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-10-22" OBS_VALUE="242.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-10-21" OBS_VALUE="242.48" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-18" OBS_VALUE="244.91" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-10-17" OBS_VALUE="245.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-16" OBS_VALUE="245.34" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-15" OBS_VALUE="245.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-14" OBS_VALUE="245.2" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-11" OBS_VALUE="244.93" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-10-10" OBS_VALUE="245.09" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-10-09" OBS_VALUE="245.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-10-08" OBS_VALUE="245.02" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-10-07" OBS_VALUE="244.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-10-04" OBS_VALUE="244.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-10-03" OBS_VALUE="243.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-10-02" OBS_VALUE="243.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-10-01" OBS_VALUE="243.27" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-30" OBS_VALUE="243.8" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-27" OBS_VALUE="243.11" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-26" OBS_VALUE="243.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-25" OBS_VALUE="243.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-24" OBS_VALUE="243.52" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-23" OBS_VALUE="243.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-20" OBS_VALUE="243.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-19" OBS_VALUE="242.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-09-18" OBS_VALUE="243.66" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-17" OBS_VALUE="243.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-16" OBS_VALUE="243.45" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-13" OBS_VALUE="243.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-12" OBS_VALUE="243.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-09-11" OBS_VALUE="243.59" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-10" OBS_VALUE="243.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-09-09" OBS_VALUE="243.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-09-06" OBS_VALUE="244.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-09-05" OBS_VALUE="245.19" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-09-04" OBS_VALUE="246.05" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-09-03" OBS_VALUE="245.18" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-02" OBS_VALUE="244.63" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-30" OBS_VALUE="245.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-08-29" OBS_VALUE="245.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-08-28" OBS_VALUE="246.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-08-27" OBS_VALUE="246.05" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-08-26" OBS_VALUE="245.4" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-23" OBS_VALUE="244.82" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-08-22" OBS_VALUE="244.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-08-21" OBS_VALUE="244.65" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-08-20" OBS_VALUE="245.64" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-08-19" OBS_VALUE="246.44" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-16" OBS_VALUE="246.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-08-15" OBS_VALUE="245.78" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-08-14" OBS_VALUE="246.67" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2002-08-13" OBS_VALUE="245.11" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-08-12" OBS_VALUE="244.69" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-09" OBS_VALUE="244.16" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-08-08" OBS_VALUE="244.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-08-07" OBS_VALUE="244.5" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-08-06" OBS_VALUE="244.08" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-08-05" OBS_VALUE="245.05" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-08-02" OBS_VALUE="245.97" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-08-01" OBS_VALUE="244.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-07-31" OBS_VALUE="245.2" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-07-30" OBS_VALUE="244.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-07-29" OBS_VALUE="244.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-26" OBS_VALUE="245.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-07-25" OBS_VALUE="244.45" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2002-07-24" OBS_VALUE="246.35" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2002-07-23" OBS_VALUE="244.74" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-07-22" OBS_VALUE="244.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-19" OBS_VALUE="244.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-07-18" OBS_VALUE="244.85" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2002-07-17" OBS_VALUE="246.37" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2002-07-16" OBS_VALUE="247.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-07-15" OBS_VALUE="246.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-12" OBS_VALUE="246.53" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2002-07-11" OBS_VALUE="249.1" BBK_DIFF="-1.2"/>
      <bbk:Obs TIME_PERIOD="2002-07-10" OBS_VALUE="252.23" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2002-07-09" OBS_VALUE="253.6" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2002-07-08" OBS_VALUE="251.18" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2002-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-07-05" OBS_VALUE="250.05" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2002-07-04" OBS_VALUE="248.55" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2002-07-03" OBS_VALUE="245.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-07-02" OBS_VALUE="244.32" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-07-01" OBS_VALUE="244.13" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-28" OBS_VALUE="244.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-06-27" OBS_VALUE="244.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-06-26" OBS_VALUE="244.5" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-06-25" OBS_VALUE="243.44" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-06-24" OBS_VALUE="244.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-21" OBS_VALUE="244.28" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-06-20" OBS_VALUE="243.65" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-06-19" OBS_VALUE="243.42" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-06-18" OBS_VALUE="242.94" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-06-17" OBS_VALUE="242.33" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-14" OBS_VALUE="241.96" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-06-13" OBS_VALUE="241.29" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-06-12" OBS_VALUE="241.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-06-11" OBS_VALUE="241.16" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-06-10" OBS_VALUE="241.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-07" OBS_VALUE="241.52" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-06-06" OBS_VALUE="240.52" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2002-06-05" OBS_VALUE="241.68" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-06-04" OBS_VALUE="242.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-06-03" OBS_VALUE="242.29" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-06-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-31" OBS_VALUE="242.6" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-30" OBS_VALUE="243.34" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-05-29" OBS_VALUE="243.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-05-28" OBS_VALUE="243.22" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-27" OBS_VALUE="242.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-24" OBS_VALUE="242.91" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-05-23" OBS_VALUE="242.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-22" OBS_VALUE="243.07" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2002-05-21" OBS_VALUE="245.86" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-05-20" OBS_VALUE="245.98" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-17" OBS_VALUE="245.06" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-05-16" OBS_VALUE="244.45" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-15" OBS_VALUE="243.62" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-05-14" OBS_VALUE="244.62" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-13" OBS_VALUE="243.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-10" OBS_VALUE="244.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-05-09" OBS_VALUE="243.99" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-05-08" OBS_VALUE="242.98" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-07" OBS_VALUE="243.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-05-06" OBS_VALUE="243.63" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-05-03" OBS_VALUE="244.32" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-05-02" OBS_VALUE="243.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-30" OBS_VALUE="243.15" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-04-29" OBS_VALUE="242.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-26" OBS_VALUE="242.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-04-25" OBS_VALUE="242.92" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2002-04-24" OBS_VALUE="240.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-04-23" OBS_VALUE="240.75" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-04-22" OBS_VALUE="241.76" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-19" OBS_VALUE="242.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-04-18" OBS_VALUE="241.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-04-17" OBS_VALUE="242.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-04-16" OBS_VALUE="241.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-04-15" OBS_VALUE="241.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-12" OBS_VALUE="242.0" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-04-11" OBS_VALUE="241.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2002-04-10" OBS_VALUE="242.49" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-04-09" OBS_VALUE="242.71" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-04-08" OBS_VALUE="243.02" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-04-05" OBS_VALUE="243.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2002-04-04" OBS_VALUE="242.1" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-04-03" OBS_VALUE="242.96" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-04-02" OBS_VALUE="243.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-28" OBS_VALUE="243.54" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-03-27" OBS_VALUE="243.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-03-26" OBS_VALUE="244.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-03-25" OBS_VALUE="244.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-22" OBS_VALUE="244.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-03-21" OBS_VALUE="244.26" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-03-20" OBS_VALUE="244.41" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-03-19" OBS_VALUE="245.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-03-18" OBS_VALUE="245.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-15" OBS_VALUE="245.96" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-03-14" OBS_VALUE="245.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-03-13" OBS_VALUE="245.85" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-03-12" OBS_VALUE="244.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-03-11" OBS_VALUE="244.55" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2002-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-08" OBS_VALUE="246.12" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2002-03-07" OBS_VALUE="244.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-03-06" OBS_VALUE="244.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-03-05" OBS_VALUE="243.92" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-03-04" OBS_VALUE="244.62" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-03-01" OBS_VALUE="245.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-02-28" OBS_VALUE="245.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-02-27" OBS_VALUE="245.51" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2002-02-26" OBS_VALUE="244.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-25" OBS_VALUE="243.51" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-22" OBS_VALUE="243.75" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-21" OBS_VALUE="243.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-20" OBS_VALUE="243.65" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-19" OBS_VALUE="243.07" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="2002-02-18" OBS_VALUE="241.34" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-15" OBS_VALUE="240.55" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2002-02-14" OBS_VALUE="241.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-02-13" OBS_VALUE="242.9" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2002-02-12" OBS_VALUE="243.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-02-11" OBS_VALUE="243.45" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-08" OBS_VALUE="243.95" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-02-07" OBS_VALUE="244.95" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2002-02-06" OBS_VALUE="243.85" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-05" OBS_VALUE="244.34" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-02-04" OBS_VALUE="243.85" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-02-01" OBS_VALUE="243.0" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-31" OBS_VALUE="243.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-30" OBS_VALUE="243.49" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-01-29" OBS_VALUE="243.05" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-28" OBS_VALUE="243.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-25" OBS_VALUE="243.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-24" OBS_VALUE="243.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-01-23" OBS_VALUE="243.4" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-22" OBS_VALUE="243.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-01-21" OBS_VALUE="243.85" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-18" OBS_VALUE="243.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-01-17" OBS_VALUE="243.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-16" OBS_VALUE="243.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-01-15" OBS_VALUE="243.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2002-01-14" OBS_VALUE="243.88" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2002-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-11" OBS_VALUE="244.95" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-01-10" OBS_VALUE="244.33" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-09" OBS_VALUE="244.19" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2002-01-08" OBS_VALUE="243.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2002-01-07" OBS_VALUE="243.55" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2002-01-04" OBS_VALUE="244.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2002-01-03" OBS_VALUE="245.32" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2002-01-02" OBS_VALUE="244.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2002-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-28" OBS_VALUE="245.18" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-12-27" OBS_VALUE="245.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-24" OBS_VALUE="245.71" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-21" OBS_VALUE="246.22" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-12-20" OBS_VALUE="246.63" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2001-12-19" OBS_VALUE="245.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-12-18" OBS_VALUE="245.29" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-12-17" OBS_VALUE="246.11" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-14" OBS_VALUE="246.38" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-12-13" OBS_VALUE="246.75" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-12-12" OBS_VALUE="247.14" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-12-11" OBS_VALUE="247.85" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2001-12-10" OBS_VALUE="250.19" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-07" OBS_VALUE="249.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-12-06" OBS_VALUE="248.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-12-05" OBS_VALUE="248.53" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-12-04" OBS_VALUE="249.43" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-12-03" OBS_VALUE="250.55" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-12-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-30" OBS_VALUE="251.78" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2001-11-29" OBS_VALUE="250.7" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-28" OBS_VALUE="250.84" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-11-27" OBS_VALUE="251.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-11-26" OBS_VALUE="251.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-23" OBS_VALUE="251.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-22" OBS_VALUE="251.5" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2001-11-21" OBS_VALUE="250.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-20" OBS_VALUE="249.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-11-19" OBS_VALUE="250.0" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2001-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-16" OBS_VALUE="252.0" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2001-11-15" OBS_VALUE="249.74" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-11-14" OBS_VALUE="249.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-13" OBS_VALUE="249.5" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-11-12" OBS_VALUE="250.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-09" OBS_VALUE="251.0" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-11-08" OBS_VALUE="250.53" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-11-07" OBS_VALUE="251.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-06" OBS_VALUE="252.15" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-11-05" OBS_VALUE="253.44" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2001-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-11-02" OBS_VALUE="254.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-11-01" OBS_VALUE="255.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-10-31" OBS_VALUE="255.24" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-10-30" OBS_VALUE="256.34" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2001-10-29" OBS_VALUE="254.0" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2001-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-26" OBS_VALUE="252.98" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-10-25" OBS_VALUE="252.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-24" OBS_VALUE="252.22" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-10-23" OBS_VALUE="251.45" BBK_DIFF="-1.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-22" OBS_VALUE="254.19" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-19" OBS_VALUE="254.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-18" OBS_VALUE="254.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-17" OBS_VALUE="254.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-16" OBS_VALUE="254.06" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-10-15" OBS_VALUE="255.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-12" OBS_VALUE="255.63" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-10-11" OBS_VALUE="254.92" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-10-10" OBS_VALUE="255.95" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-10-09" OBS_VALUE="256.78" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="2001-10-08" OBS_VALUE="259.04" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="2001-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-10-05" OBS_VALUE="256.98" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-10-04" OBS_VALUE="257.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-10-03" OBS_VALUE="257.27" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-10-02" OBS_VALUE="257.98" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-10-01" OBS_VALUE="257.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-28" OBS_VALUE="257.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-09-27" OBS_VALUE="257.55" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-09-26" OBS_VALUE="258.28" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2001-09-25" OBS_VALUE="259.83" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-09-24" OBS_VALUE="260.95" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-21" OBS_VALUE="260.65" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="2001-09-20" OBS_VALUE="258.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-09-19" OBS_VALUE="258.15" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-09-18" OBS_VALUE="257.33" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-09-17" OBS_VALUE="257.74" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="2001-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-14" OBS_VALUE="255.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-09-13" OBS_VALUE="255.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-09-12" OBS_VALUE="256.0" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2001-09-11" OBS_VALUE="251.78" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-09-10" OBS_VALUE="252.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-07" OBS_VALUE="253.11" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2001-09-06" OBS_VALUE="252.05" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-09-05" OBS_VALUE="251.67" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-09-04" OBS_VALUE="252.16" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-09-03" OBS_VALUE="251.7" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2001-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-09-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-31" OBS_VALUE="253.75" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2001-08-30" OBS_VALUE="252.4" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-08-29" OBS_VALUE="252.93" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-08-28" OBS_VALUE="254.08" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2001-08-27" OBS_VALUE="252.95" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2001-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-24" OBS_VALUE="251.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-08-23" OBS_VALUE="251.52" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2001-08-22" OBS_VALUE="256.47" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-08-21" OBS_VALUE="256.24" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-08-20" OBS_VALUE="255.9" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-17" OBS_VALUE="255.73" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2001-08-16" OBS_VALUE="254.25" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="2001-08-15" OBS_VALUE="253.0" BBK_DIFF="2.6"/>
      <bbk:Obs TIME_PERIOD="2001-08-14" OBS_VALUE="246.6" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-08-13" OBS_VALUE="246.38" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-10" OBS_VALUE="246.92" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-08-09" OBS_VALUE="246.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-08-08" OBS_VALUE="246.95" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-08-07" OBS_VALUE="247.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-08-06" OBS_VALUE="247.06" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-08-03" OBS_VALUE="248.0" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-08-02" OBS_VALUE="248.72" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-08-01" OBS_VALUE="248.14" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-07-31" OBS_VALUE="247.75" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-07-30" OBS_VALUE="247.08" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-27" OBS_VALUE="247.27" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2001-07-26" OBS_VALUE="246.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-07-25" OBS_VALUE="246.59" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-07-24" OBS_VALUE="247.27" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-07-23" OBS_VALUE="246.68" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="2001-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-20" OBS_VALUE="249.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-07-19" OBS_VALUE="249.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-07-18" OBS_VALUE="248.63" BBK_DIFF="-1.6"/>
      <bbk:Obs TIME_PERIOD="2001-07-17" OBS_VALUE="252.55" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2001-07-16" OBS_VALUE="254.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-13" OBS_VALUE="254.85" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2001-07-12" OBS_VALUE="256.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-07-11" OBS_VALUE="256.44" BBK_DIFF="1.7"/>
      <bbk:Obs TIME_PERIOD="2001-07-10" OBS_VALUE="252.15" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2001-07-09" OBS_VALUE="254.05" BBK_DIFF="1.4"/>
      <bbk:Obs TIME_PERIOD="2001-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-07-06" OBS_VALUE="250.55" BBK_DIFF="3.4"/>
      <bbk:Obs TIME_PERIOD="2001-07-05" OBS_VALUE="242.4" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2001-07-04" OBS_VALUE="240.9" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2001-07-03" OBS_VALUE="242.58" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-07-02" OBS_VALUE="242.85" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2001-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-29" OBS_VALUE="243.63" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2001-06-28" OBS_VALUE="242.18" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2001-06-27" OBS_VALUE="243.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-06-26" OBS_VALUE="243.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-06-25" OBS_VALUE="243.35" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-22" OBS_VALUE="243.88" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-06-21" OBS_VALUE="245.16" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="2001-06-20" OBS_VALUE="246.7" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-06-19" OBS_VALUE="246.27" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-06-18" OBS_VALUE="245.74" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-15" OBS_VALUE="246.15" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-06-14" OBS_VALUE="247.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-06-13" OBS_VALUE="247.58" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-06-12" OBS_VALUE="248.8" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-06-11" OBS_VALUE="250.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-08" OBS_VALUE="250.58" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="2001-06-07" OBS_VALUE="249.07" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-06-06" OBS_VALUE="250.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-06-05" OBS_VALUE="251.61" BBK_DIFF="-0.8"/>
      <bbk:Obs TIME_PERIOD="2001-06-04" OBS_VALUE="253.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-06-01" OBS_VALUE="253.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-05-31" OBS_VALUE="253.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-05-30" OBS_VALUE="253.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-05-29" OBS_VALUE="254.0" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-05-28" OBS_VALUE="255.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-25" OBS_VALUE="255.35" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-05-24" OBS_VALUE="256.76" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-05-23" OBS_VALUE="257.21" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="2001-05-22" OBS_VALUE="258.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-05-21" OBS_VALUE="258.52" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-18" OBS_VALUE="257.95" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-05-17" OBS_VALUE="257.45" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-05-16" OBS_VALUE="258.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-05-15" OBS_VALUE="258.25" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-05-14" OBS_VALUE="257.38" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-11" OBS_VALUE="257.41" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2001-05-10" OBS_VALUE="258.57" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-05-09" OBS_VALUE="258.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-05-08" OBS_VALUE="258.48" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2001-05-07" OBS_VALUE="260.28" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="2001-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-05-04" OBS_VALUE="262.24" BBK_DIFF="-1.9"/>
      <bbk:Obs TIME_PERIOD="2001-05-03" OBS_VALUE="267.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-05-02" OBS_VALUE="267.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-30" OBS_VALUE="267.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-27" OBS_VALUE="267.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-26" OBS_VALUE="267.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-25" OBS_VALUE="267.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-24" OBS_VALUE="267.17" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-23" OBS_VALUE="267.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-20" OBS_VALUE="267.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-19" OBS_VALUE="267.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-18" OBS_VALUE="266.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-17" OBS_VALUE="266.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-12" OBS_VALUE="266.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-11" OBS_VALUE="266.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-10" OBS_VALUE="266.86" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-09" OBS_VALUE="266.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-04-06" OBS_VALUE="266.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-05" OBS_VALUE="266.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-04" OBS_VALUE="266.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-03" OBS_VALUE="266.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-02" OBS_VALUE="266.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-30" OBS_VALUE="266.72" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-29" OBS_VALUE="266.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-28" OBS_VALUE="266.75" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-03-27" OBS_VALUE="266.57" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-26" OBS_VALUE="266.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-23" OBS_VALUE="266.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-22" OBS_VALUE="266.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-21" OBS_VALUE="266.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-20" OBS_VALUE="266.43" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-19" OBS_VALUE="266.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-16" OBS_VALUE="266.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-15" OBS_VALUE="266.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-14" OBS_VALUE="266.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-13" OBS_VALUE="266.37" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-12" OBS_VALUE="266.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-09" OBS_VALUE="266.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-08" OBS_VALUE="266.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-07" OBS_VALUE="266.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-06" OBS_VALUE="266.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-05" OBS_VALUE="266.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-03-02" OBS_VALUE="266.46" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-03-01" OBS_VALUE="266.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-02-28" OBS_VALUE="266.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-27" OBS_VALUE="266.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-26" OBS_VALUE="266.2" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-23" OBS_VALUE="266.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-02-22" OBS_VALUE="266.29" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2001-02-21" OBS_VALUE="265.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-20" OBS_VALUE="265.73" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-19" OBS_VALUE="265.67" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-16" OBS_VALUE="265.67" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-15" OBS_VALUE="265.67" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-14" OBS_VALUE="265.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-13" OBS_VALUE="265.62" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-12" OBS_VALUE="265.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-09" OBS_VALUE="265.48" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-08" OBS_VALUE="265.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-02-07" OBS_VALUE="265.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-06" OBS_VALUE="265.34" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-05" OBS_VALUE="265.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-02-02" OBS_VALUE="265.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-02-01" OBS_VALUE="265.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-31" OBS_VALUE="265.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-30" OBS_VALUE="265.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-29" OBS_VALUE="265.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-26" OBS_VALUE="265.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-25" OBS_VALUE="265.07" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-24" OBS_VALUE="265.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-23" OBS_VALUE="264.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-22" OBS_VALUE="264.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-19" OBS_VALUE="265.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-18" OBS_VALUE="265.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-17" OBS_VALUE="265.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-16" OBS_VALUE="264.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2001-01-15" OBS_VALUE="265.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-12" OBS_VALUE="265.11" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-11" OBS_VALUE="265.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-10" OBS_VALUE="265.07" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-09" OBS_VALUE="265.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-08" OBS_VALUE="264.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2001-01-05" OBS_VALUE="264.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-04" OBS_VALUE="264.77" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2001-01-03" OBS_VALUE="264.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-01-02" OBS_VALUE="264.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2001-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-29" OBS_VALUE="265.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-28" OBS_VALUE="265.1" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-12-27" OBS_VALUE="265.59" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2000-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-22" OBS_VALUE="264.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-12-21" OBS_VALUE="264.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-20" OBS_VALUE="264.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-19" OBS_VALUE="264.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-18" OBS_VALUE="264.57" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-15" OBS_VALUE="264.58" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-12-14" OBS_VALUE="264.72" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-12-13" OBS_VALUE="264.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-12-12" OBS_VALUE="265.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-11" OBS_VALUE="265.31" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-08" OBS_VALUE="265.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-07" OBS_VALUE="265.22" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-12-06" OBS_VALUE="265.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-05" OBS_VALUE="265.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-12-04" OBS_VALUE="265.17" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-12-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-12-01" OBS_VALUE="265.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-30" OBS_VALUE="264.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-29" OBS_VALUE="264.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-28" OBS_VALUE="264.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-27" OBS_VALUE="264.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-24" OBS_VALUE="264.46" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-23" OBS_VALUE="264.42" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-22" OBS_VALUE="264.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-21" OBS_VALUE="264.39" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-20" OBS_VALUE="264.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-17" OBS_VALUE="264.07" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-11-16" OBS_VALUE="263.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-15" OBS_VALUE="263.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-11-14" OBS_VALUE="263.95" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-13" OBS_VALUE="264.14" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-10" OBS_VALUE="264.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-09" OBS_VALUE="264.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-08" OBS_VALUE="263.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-07" OBS_VALUE="263.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-06" OBS_VALUE="263.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-11-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-11-03" OBS_VALUE="263.99" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2000-11-02" OBS_VALUE="263.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-11-01" OBS_VALUE="262.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-31" OBS_VALUE="263.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-30" OBS_VALUE="263.36" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-27" OBS_VALUE="263.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-26" OBS_VALUE="262.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-25" OBS_VALUE="262.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-24" OBS_VALUE="262.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-23" OBS_VALUE="262.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-20" OBS_VALUE="262.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-19" OBS_VALUE="262.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-10-18" OBS_VALUE="263.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-17" OBS_VALUE="262.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-10-16" OBS_VALUE="263.25" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-13" OBS_VALUE="262.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-12" OBS_VALUE="262.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-11" OBS_VALUE="262.84" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-10" OBS_VALUE="262.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-09" OBS_VALUE="262.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-10-06" OBS_VALUE="262.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-05" OBS_VALUE="262.87" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-10-04" OBS_VALUE="263.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-03" OBS_VALUE="263.27" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-10-02" OBS_VALUE="263.84" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-10-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-29" OBS_VALUE="263.75" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-28" OBS_VALUE="263.93" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-09-27" OBS_VALUE="263.47" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-26" OBS_VALUE="263.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-25" OBS_VALUE="263.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-22" OBS_VALUE="263.06" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-21" OBS_VALUE="262.8" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-09-20" OBS_VALUE="262.34" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-19" OBS_VALUE="262.4" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-18" OBS_VALUE="262.19" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-15" OBS_VALUE="261.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-14" OBS_VALUE="261.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-13" OBS_VALUE="261.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-12" OBS_VALUE="261.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-11" OBS_VALUE="261.88" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-08" OBS_VALUE="261.92" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-07" OBS_VALUE="261.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-09-06" OBS_VALUE="261.87" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-05" OBS_VALUE="261.67" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-04" OBS_VALUE="261.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-09-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-09-01" OBS_VALUE="261.34" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-31" OBS_VALUE="261.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-30" OBS_VALUE="261.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-29" OBS_VALUE="261.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-28" OBS_VALUE="261.19" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-25" OBS_VALUE="261.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-24" OBS_VALUE="261.1" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-23" OBS_VALUE="261.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-22" OBS_VALUE="260.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-21" OBS_VALUE="260.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-18" OBS_VALUE="260.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-17" OBS_VALUE="260.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-16" OBS_VALUE="260.95" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-15" OBS_VALUE="260.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-14" OBS_VALUE="260.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-11" OBS_VALUE="260.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-10" OBS_VALUE="260.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-09" OBS_VALUE="260.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-08" OBS_VALUE="260.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-07" OBS_VALUE="260.63" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-08-04" OBS_VALUE="260.6" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-03" OBS_VALUE="260.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-02" OBS_VALUE="260.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-08-01" OBS_VALUE="260.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-31" OBS_VALUE="260.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-28" OBS_VALUE="260.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-27" OBS_VALUE="260.47" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-07-26" OBS_VALUE="260.31" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-25" OBS_VALUE="260.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-24" OBS_VALUE="260.31" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-21" OBS_VALUE="260.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-20" OBS_VALUE="260.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-19" OBS_VALUE="260.16" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-18" OBS_VALUE="260.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-17" OBS_VALUE="260.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-14" OBS_VALUE="260.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-13" OBS_VALUE="260.19" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-12" OBS_VALUE="260.14" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-11" OBS_VALUE="260.23" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-10" OBS_VALUE="260.16" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-07" OBS_VALUE="260.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-06" OBS_VALUE="260.17" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-05" OBS_VALUE="260.07" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-07-04" OBS_VALUE="259.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-07-03" OBS_VALUE="260.22" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-07-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-07-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-30" OBS_VALUE="260.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-29" OBS_VALUE="260.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-28" OBS_VALUE="260.11" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-06-27" OBS_VALUE="259.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-26" OBS_VALUE="259.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-23" OBS_VALUE="259.9" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-22" OBS_VALUE="259.99" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-06-21" OBS_VALUE="259.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-20" OBS_VALUE="259.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-19" OBS_VALUE="259.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-16" OBS_VALUE="259.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-15" OBS_VALUE="259.69" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-14" OBS_VALUE="259.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-13" OBS_VALUE="259.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-06-12" OBS_VALUE="259.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-09" OBS_VALUE="259.54" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-08" OBS_VALUE="259.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-07" OBS_VALUE="259.5" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-06" OBS_VALUE="259.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-06-05" OBS_VALUE="259.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-06-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-06-02" OBS_VALUE="259.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-06-01" OBS_VALUE="259.29" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-31" OBS_VALUE="259.23" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-30" OBS_VALUE="259.58" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-05-29" OBS_VALUE="259.98" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-26" OBS_VALUE="259.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-25" OBS_VALUE="259.93" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-24" OBS_VALUE="259.65" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-23" OBS_VALUE="260.0" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-22" OBS_VALUE="259.64" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-19" OBS_VALUE="259.44" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-05-18" OBS_VALUE="258.89" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-17" OBS_VALUE="258.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-16" OBS_VALUE="258.8" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-05-15" OBS_VALUE="259.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-05-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-12" OBS_VALUE="258.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-11" OBS_VALUE="258.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-10" OBS_VALUE="258.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-09" OBS_VALUE="258.35" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-08" OBS_VALUE="258.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-05-05" OBS_VALUE="258.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-04" OBS_VALUE="258.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-03" OBS_VALUE="258.26" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-05-02" OBS_VALUE="258.21" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-28" OBS_VALUE="258.45" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-04-27" OBS_VALUE="258.23" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-04-26" OBS_VALUE="258.05" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-25" OBS_VALUE="258.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-20" OBS_VALUE="258.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-04-19" OBS_VALUE="258.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-04-18" OBS_VALUE="259.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-04-17" OBS_VALUE="258.95" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2000-04-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-14" OBS_VALUE="257.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-13" OBS_VALUE="257.94" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-04-12" OBS_VALUE="258.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-11" OBS_VALUE="258.32" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-10" OBS_VALUE="258.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2000-04-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-07" OBS_VALUE="259.14" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-04-06" OBS_VALUE="258.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-05" OBS_VALUE="258.91" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-04-04" OBS_VALUE="258.49" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-03" OBS_VALUE="258.47" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-04-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-04-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-31" OBS_VALUE="258.38" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-30" OBS_VALUE="258.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-29" OBS_VALUE="257.97" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-28" OBS_VALUE="257.64" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="2000-03-27" OBS_VALUE="257.0" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-03-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-24" OBS_VALUE="257.44" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-23" OBS_VALUE="257.21" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-22" OBS_VALUE="256.85" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-21" OBS_VALUE="257.07" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2000-03-20" OBS_VALUE="256.0" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="2000-03-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-17" OBS_VALUE="256.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-16" OBS_VALUE="256.99" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-03-15" OBS_VALUE="257.4" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-14" OBS_VALUE="257.41" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-13" OBS_VALUE="257.24" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-10" OBS_VALUE="256.96" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-09" OBS_VALUE="256.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-03-08" OBS_VALUE="256.64" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-07" OBS_VALUE="256.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-06" OBS_VALUE="256.57" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-03-03" OBS_VALUE="256.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-02" OBS_VALUE="256.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-03-01" OBS_VALUE="256.49" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-02-29" OBS_VALUE="256.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-28" OBS_VALUE="256.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-25" OBS_VALUE="256.71" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-02-24" OBS_VALUE="256.45" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="2000-02-23" OBS_VALUE="257.3" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="2000-02-22" OBS_VALUE="257.81" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="2000-02-21" OBS_VALUE="256.73" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="2000-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-18" OBS_VALUE="256.01" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-17" OBS_VALUE="256.02" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-02-16" OBS_VALUE="255.89" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-15" OBS_VALUE="255.85" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-14" OBS_VALUE="255.81" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-11" OBS_VALUE="255.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-10" OBS_VALUE="255.75" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-09" OBS_VALUE="255.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-08" OBS_VALUE="255.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-07" OBS_VALUE="255.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-02-04" OBS_VALUE="255.61" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-03" OBS_VALUE="255.59" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-02-02" OBS_VALUE="255.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-02-01" OBS_VALUE="255.42" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-31" OBS_VALUE="255.36" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-28" OBS_VALUE="255.33" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-27" OBS_VALUE="255.3" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-26" OBS_VALUE="255.18" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-25" OBS_VALUE="255.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-24" OBS_VALUE="255.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-21" OBS_VALUE="255.12" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-20" OBS_VALUE="255.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-19" OBS_VALUE="254.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-18" OBS_VALUE="254.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-17" OBS_VALUE="254.91" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-14" OBS_VALUE="255.01" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-01-13" OBS_VALUE="254.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-12" OBS_VALUE="254.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-11" OBS_VALUE="254.72" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-10" OBS_VALUE="254.69" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-07" OBS_VALUE="254.63" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="2000-01-06" OBS_VALUE="254.45" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-05" OBS_VALUE="254.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-04" OBS_VALUE="254.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="2000-01-03" OBS_VALUE="254.53" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="2000-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="2000-01-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-30" OBS_VALUE="254.7" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-29" OBS_VALUE="254.63" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-28" OBS_VALUE="254.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-27" OBS_VALUE="255.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-24" OBS_VALUE="254.86" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-23" OBS_VALUE="254.5" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-22" OBS_VALUE="254.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-21" OBS_VALUE="254.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-20" OBS_VALUE="254.25" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-17" OBS_VALUE="254.51" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-16" OBS_VALUE="254.6" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-12-15" OBS_VALUE="253.55" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-14" OBS_VALUE="253.61" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-12-13" OBS_VALUE="254.21" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-10" OBS_VALUE="254.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-09" OBS_VALUE="254.55" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-12-08" OBS_VALUE="254.78" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-12-07" OBS_VALUE="254.9" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-12-06" OBS_VALUE="254.41" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="1999-12-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-12-03" OBS_VALUE="253.15" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-12-02" OBS_VALUE="253.71" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-12-01" OBS_VALUE="254.35" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-30" OBS_VALUE="254.15" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-29" OBS_VALUE="253.83" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-26" OBS_VALUE="253.58" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-11-25" OBS_VALUE="254.25" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-11-24" OBS_VALUE="254.28" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-11-23" OBS_VALUE="255.02" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-11-22" OBS_VALUE="254.94" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-19" OBS_VALUE="254.64" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-11-18" OBS_VALUE="255.35" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-17" OBS_VALUE="255.49" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-11-16" OBS_VALUE="254.91" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-15" OBS_VALUE="254.69" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-11-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-12" OBS_VALUE="254.62" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-11-11" OBS_VALUE="255.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-10" OBS_VALUE="255.2" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-09" OBS_VALUE="255.37" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-11-08" OBS_VALUE="255.16" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-11-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-11-05" OBS_VALUE="255.13" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-11-04" OBS_VALUE="255.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-11-03" OBS_VALUE="255.66" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-11-02" OBS_VALUE="255.71" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-11-01" OBS_VALUE="256.19" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-10-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-29" OBS_VALUE="255.32" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-10-28" OBS_VALUE="256.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-27" OBS_VALUE="256.13" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="1999-10-26" OBS_VALUE="257.77" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-10-25" OBS_VALUE="257.62" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-22" OBS_VALUE="257.72" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-21" OBS_VALUE="257.77" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-20" OBS_VALUE="257.7" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-10-19" OBS_VALUE="258.58" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-18" OBS_VALUE="258.59" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-15" OBS_VALUE="258.54" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-10-14" OBS_VALUE="257.84" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-10-13" OBS_VALUE="258.17" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="1999-10-12" OBS_VALUE="256.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-10-11" OBS_VALUE="257.01" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-10-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-08" OBS_VALUE="257.39" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-10-07" OBS_VALUE="258.19" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-10-06" OBS_VALUE="258.08" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-10-05" OBS_VALUE="257.78" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-10-04" OBS_VALUE="258.23" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-10-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-10-01" OBS_VALUE="258.95" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="1999-09-30" OBS_VALUE="257.69" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-09-29" OBS_VALUE="256.89" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-09-28" OBS_VALUE="256.13" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="1999-09-27" OBS_VALUE="254.97" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-09-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-24" OBS_VALUE="255.99" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-09-23" OBS_VALUE="255.59" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-09-22" OBS_VALUE="255.29" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-09-21" OBS_VALUE="254.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-09-20" OBS_VALUE="255.01" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-09-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-17" OBS_VALUE="255.33" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-09-16" OBS_VALUE="254.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-09-15" OBS_VALUE="254.57" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-09-14" OBS_VALUE="253.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-09-13" OBS_VALUE="254.03" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-09-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-10" OBS_VALUE="254.51" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-09-09" OBS_VALUE="254.93" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-09-08" OBS_VALUE="255.04" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-09-07" OBS_VALUE="255.12" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-09-06" OBS_VALUE="256.25" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-09-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-09-03" OBS_VALUE="255.85" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-09-02" OBS_VALUE="255.66" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="1999-09-01" OBS_VALUE="254.26" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-31" OBS_VALUE="253.89" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-08-30" OBS_VALUE="252.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-08-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-27" OBS_VALUE="252.94" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-08-26" OBS_VALUE="252.91" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-25" OBS_VALUE="252.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-08-24" OBS_VALUE="253.16" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-08-23" OBS_VALUE="253.81" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-08-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-20" OBS_VALUE="254.2" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-08-19" OBS_VALUE="253.13" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-08-18" OBS_VALUE="253.14" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-17" OBS_VALUE="252.96" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-16" OBS_VALUE="253.13" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-08-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-13" OBS_VALUE="253.99" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-12" OBS_VALUE="253.68" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-08-11" OBS_VALUE="253.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-08-10" OBS_VALUE="254.19" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-09" OBS_VALUE="253.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-08-06" OBS_VALUE="254.15" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-05" OBS_VALUE="254.47" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-08-04" OBS_VALUE="253.88" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-08-03" OBS_VALUE="253.27" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-08-02" OBS_VALUE="253.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-08-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-30" OBS_VALUE="253.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-07-29" OBS_VALUE="253.34" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-28" OBS_VALUE="252.71" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-27" OBS_VALUE="252.82" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-07-26" OBS_VALUE="253.61" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="1999-07-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-23" OBS_VALUE="251.79" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-22" OBS_VALUE="251.82" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-21" OBS_VALUE="251.35" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-20" OBS_VALUE="250.92" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="1999-07-19" OBS_VALUE="249.01" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-16" OBS_VALUE="249.42" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-15" OBS_VALUE="249.34" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-14" OBS_VALUE="248.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-13" OBS_VALUE="249.08" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-12" OBS_VALUE="248.68" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-07-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-09" OBS_VALUE="249.18" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-07-08" OBS_VALUE="248.35" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-07-07" OBS_VALUE="249.06" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-06" OBS_VALUE="248.97" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-05" OBS_VALUE="249.08" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-07-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-07-02" OBS_VALUE="249.12" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-07-01" OBS_VALUE="249.3" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-30" OBS_VALUE="249.64" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-29" OBS_VALUE="249.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-06-28" OBS_VALUE="249.99" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-06-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-26" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-25" OBS_VALUE="250.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-06-24" OBS_VALUE="249.48" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-06-23" OBS_VALUE="248.57" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-06-22" OBS_VALUE="249.13" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-21" OBS_VALUE="249.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-19" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-18" OBS_VALUE="249.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-17" OBS_VALUE="249.22" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-16" OBS_VALUE="249.07" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-06-15" OBS_VALUE="249.8" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-06-14" OBS_VALUE="249.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-06-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-12" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-11" OBS_VALUE="249.83" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-06-10" OBS_VALUE="249.8" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-09" OBS_VALUE="249.59" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-06-08" OBS_VALUE="248.94" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-06-07" OBS_VALUE="248.55" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-06-04" OBS_VALUE="248.41" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-03" OBS_VALUE="248.78" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06-02" OBS_VALUE="248.62" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-06-01" OBS_VALUE="249.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-31" OBS_VALUE="249.64" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-29" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-28" OBS_VALUE="250.12" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-27" OBS_VALUE="249.93" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-26" OBS_VALUE="250.43" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-25" OBS_VALUE="250.97" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-05-24" OBS_VALUE="250.28" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-22" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-21" OBS_VALUE="250.09" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-05-20" OBS_VALUE="250.05" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-19" OBS_VALUE="249.73" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-18" OBS_VALUE="250.28" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-17" OBS_VALUE="250.46" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-15" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-14" OBS_VALUE="250.27" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-13" OBS_VALUE="249.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-05-12" OBS_VALUE="250.06" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-05-11" OBS_VALUE="249.78" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-05-10" OBS_VALUE="250.48" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-05-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-07" OBS_VALUE="251.55" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-05-06" OBS_VALUE="250.6" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-05" OBS_VALUE="250.19" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-05-04" OBS_VALUE="249.5" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-03" OBS_VALUE="250.02" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-05-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-05-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-30" OBS_VALUE="250.52" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-04-29" OBS_VALUE="250.58" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-04-28" OBS_VALUE="251.27" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-04-27" OBS_VALUE="250.74" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-04-26" OBS_VALUE="250.7" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-04-25" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-23" OBS_VALUE="251.6" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="1999-04-22" OBS_VALUE="249.49" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-04-21" OBS_VALUE="250.21" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-04-20" OBS_VALUE="251.27" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-04-19" OBS_VALUE="251.52" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="1999-04-18" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-16" OBS_VALUE="252.68" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-04-15" OBS_VALUE="253.65" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-04-14" OBS_VALUE="253.67" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-04-13" OBS_VALUE="253.69" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-04-12" OBS_VALUE="254.82" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="1999-04-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-09" OBS_VALUE="253.33" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-04-08" OBS_VALUE="253.53" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-04-07" OBS_VALUE="254.12" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-04-06" OBS_VALUE="253.16" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-04-05" OBS_VALUE="253.3" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-04-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-04-02" OBS_VALUE="253.97" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-04-01" OBS_VALUE="254.41" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-03-31" OBS_VALUE="254.82" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-03-30" OBS_VALUE="254.89" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-03-29" OBS_VALUE="253.96" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-03-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-26" OBS_VALUE="253.9" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="1999-03-25" OBS_VALUE="255.25" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-03-24" OBS_VALUE="256.11" BBK_DIFF="0.8"/>
      <bbk:Obs TIME_PERIOD="1999-03-23" OBS_VALUE="254.12" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-03-22" OBS_VALUE="253.25" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-03-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-19" OBS_VALUE="253.64" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-03-18" OBS_VALUE="254.6" BBK_DIFF="0.3"/>
      <bbk:Obs TIME_PERIOD="1999-03-17" OBS_VALUE="253.81" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-03-16" OBS_VALUE="253.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-03-15" OBS_VALUE="253.46" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-03-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-12" OBS_VALUE="253.34" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-03-11" OBS_VALUE="252.87" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-03-10" OBS_VALUE="252.83" BBK_DIFF="1.0"/>
      <bbk:Obs TIME_PERIOD="1999-03-09" OBS_VALUE="250.34" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-03-08" OBS_VALUE="250.51" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="1999-03-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-03-05" OBS_VALUE="253.16" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="1999-03-04" OBS_VALUE="254.62" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-03-03" OBS_VALUE="254.02" BBK_DIFF="0.7"/>
      <bbk:Obs TIME_PERIOD="1999-03-02" OBS_VALUE="252.14" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="1999-03-01" OBS_VALUE="254.53" BBK_DIFF="0.2"/>
      <bbk:Obs TIME_PERIOD="1999-02-28" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-27" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-26" OBS_VALUE="253.91" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="1999-02-25" OBS_VALUE="252.56" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-24" OBS_VALUE="252.23" BBK_DIFF="0.9"/>
      <bbk:Obs TIME_PERIOD="1999-02-23" OBS_VALUE="249.9" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-22" OBS_VALUE="250.12" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="1999-02-21" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-20" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-19" OBS_VALUE="251.88" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-18" OBS_VALUE="252.06" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-02-17" OBS_VALUE="251.09" BBK_DIFF="0.6"/>
      <bbk:Obs TIME_PERIOD="1999-02-16" OBS_VALUE="249.56" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-02-15" OBS_VALUE="249.66" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-14" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-13" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-12" OBS_VALUE="249.32" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-11" OBS_VALUE="249.64" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="1999-02-10" OBS_VALUE="251.05" BBK_DIFF="0.5"/>
      <bbk:Obs TIME_PERIOD="1999-02-09" OBS_VALUE="249.75" BBK_DIFF="0.4"/>
      <bbk:Obs TIME_PERIOD="1999-02-08" OBS_VALUE="248.64" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-02-05" OBS_VALUE="248.91" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-04" OBS_VALUE="248.77" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02-03" OBS_VALUE="249.0" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-02-02" OBS_VALUE="248.99" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-02-01" OBS_VALUE="248.97" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-01-31" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-30" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-29" OBS_VALUE="249.24" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-01-28" OBS_VALUE="249.34" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-01-27" OBS_VALUE="250.08" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-01-26" OBS_VALUE="250.69" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-01-25" OBS_VALUE="250.47" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-01-24" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-23" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-22" OBS_VALUE="250.16" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-01-21" OBS_VALUE="250.17" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-01-20" OBS_VALUE="249.99" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-01-19" OBS_VALUE="250.64" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-01-18" OBS_VALUE="250.78" BBK_DIFF="-1.0"/>
      <bbk:Obs TIME_PERIOD="1999-01-17" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-16" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-15" OBS_VALUE="253.34" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-01-14" OBS_VALUE="253.84" BBK_DIFF="-0.5"/>
      <bbk:Obs TIME_PERIOD="1999-01-13" OBS_VALUE="255.01" BBK_DIFF="2.3"/>
      <bbk:Obs TIME_PERIOD="1999-01-12" OBS_VALUE="249.2" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-01-11" OBS_VALUE="249.7" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-01-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-08" OBS_VALUE="250.15" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1999-01-07" OBS_VALUE="250.09" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-01-06" OBS_VALUE="250.67" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-01-05" OBS_VALUE="250.8" BBK_DIFF="-0.3"/>
      <bbk:Obs TIME_PERIOD="1999-01-04" OBS_VALUE="251.48"/>
      <bbk:Obs TIME_PERIOD="1999-01-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1999-01-01" BBK_OBS_STATUS="K"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
