<?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>BBFBOPV_M_N_DE_P7_S1_S1_T_B_G__Z__Z__Z_EUR__T__X_N_ALL</ID>
    <Test>false</Test>
    <Truncated>false</Truncated>
    <Prepared>2026-05-30T21:03:56</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_ES_BOP">
    <bbk:Series FREQ="M" BBK_ID="BBFBOPV.M.N.DE.P7.S1.S1.T.B.G._Z._Z._Z.EUR._T._X.N.ALL" DECIMALS="3" UNIT="Euro" UNIT_MULT="6" BBK_TITLE="Leistungsbilanz / Warenhandel / Saldo / OECD-Länder (Zusammensetzung ab 2021)" BBK_TITLE_ENG="Current account / Goods / Balance / OECD countries (composition from 2021)">
      <bbk:Obs TIME_PERIOD="2026-03" OBS_VALUE="25207.99" BBK_DIFF="7.7" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="2026-02" OBS_VALUE="23397.035" BBK_DIFF="7.4" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="2026-01" OBS_VALUE="21789.292" BBK_DIFF="89.7" BBK_DIFF_Y="11.4"/>
      <bbk:Obs TIME_PERIOD="2025-12" OBS_VALUE="11484.194" BBK_DIFF="-37.0" BBK_DIFF_Y="-14.4"/>
      <bbk:Obs TIME_PERIOD="2025-11" OBS_VALUE="18239.323" BBK_DIFF="-17.1" BBK_DIFF_Y="-18.1"/>
      <bbk:Obs TIME_PERIOD="2025-10" OBS_VALUE="22010.712" BBK_DIFF="3.1" BBK_DIFF_Y="7.7"/>
      <bbk:Obs TIME_PERIOD="2025-09" OBS_VALUE="21339.924" BBK_DIFF="39.7" BBK_DIFF_Y="3.6"/>
      <bbk:Obs TIME_PERIOD="2025-08" OBS_VALUE="15273.217" BBK_DIFF="-26.9" BBK_DIFF_Y="-18.0"/>
      <bbk:Obs TIME_PERIOD="2025-07" OBS_VALUE="20905.275" BBK_DIFF="10.1" BBK_DIFF_Y="-2.5"/>
      <bbk:Obs TIME_PERIOD="2025-06" OBS_VALUE="18993.58" BBK_DIFF="-1.6" BBK_DIFF_Y="-4.1"/>
      <bbk:Obs TIME_PERIOD="2025-05" OBS_VALUE="19310.244" BBK_DIFF="-2.6" BBK_DIFF_Y="-14.0"/>
      <bbk:Obs TIME_PERIOD="2025-04" OBS_VALUE="19828.465" BBK_DIFF="-16.9" BBK_DIFF_Y="-17.3"/>
      <bbk:Obs TIME_PERIOD="2025-03" OBS_VALUE="23850.382" BBK_DIFF="7.9" BBK_DIFF_Y="9.4"/>
      <bbk:Obs TIME_PERIOD="2025-02" OBS_VALUE="22099.766" BBK_DIFF="13.0" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="2025-01" OBS_VALUE="19560.155" BBK_DIFF="45.9" BBK_DIFF_Y="-16.7"/>
      <bbk:Obs TIME_PERIOD="2024-12" OBS_VALUE="13410.277" BBK_DIFF="-39.8" BBK_DIFF_Y="-18.7"/>
      <bbk:Obs TIME_PERIOD="2024-11" OBS_VALUE="22258.885" BBK_DIFF="8.9" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="2024-10" OBS_VALUE="20432.785" BBK_DIFF="-0.8" BBK_DIFF_Y="-9.2"/>
      <bbk:Obs TIME_PERIOD="2024-09" OBS_VALUE="20588.961" BBK_DIFF="10.5" BBK_DIFF_Y="-0.5"/>
      <bbk:Obs TIME_PERIOD="2024-08" OBS_VALUE="18628.836" BBK_DIFF="-13.1" BBK_DIFF_Y="-2.5"/>
      <bbk:Obs TIME_PERIOD="2024-07" OBS_VALUE="21444.15" BBK_DIFF="8.2" BBK_DIFF_Y="18.6"/>
      <bbk:Obs TIME_PERIOD="2024-06" OBS_VALUE="19810.112" BBK_DIFF="-11.8" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="2024-05" OBS_VALUE="22458.413" BBK_DIFF="-6.3" BBK_DIFF_Y="35.4"/>
      <bbk:Obs TIME_PERIOD="2024-04" OBS_VALUE="23971.751" BBK_DIFF="9.9" BBK_DIFF_Y="45.4"/>
      <bbk:Obs TIME_PERIOD="2024-03" OBS_VALUE="21804.358" BBK_DIFF="0.6" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="2024-02" OBS_VALUE="21665.898" BBK_DIFF="-7.7" BBK_DIFF_Y="10.4"/>
      <bbk:Obs TIME_PERIOD="2024-01" OBS_VALUE="23478.332" BBK_DIFF="42.3" BBK_DIFF_Y="28.8"/>
      <bbk:Obs TIME_PERIOD="2023-12" OBS_VALUE="16498.545" BBK_DIFF="-30.6" BBK_DIFF_Y="6.3"/>
      <bbk:Obs TIME_PERIOD="2023-11" OBS_VALUE="23780.745" BBK_DIFF="5.6" BBK_DIFF_Y="18.6"/>
      <bbk:Obs TIME_PERIOD="2023-10" OBS_VALUE="22512.303" BBK_DIFF="8.8" BBK_DIFF_Y="60.1"/>
      <bbk:Obs TIME_PERIOD="2023-09" OBS_VALUE="20691.74" BBK_DIFF="8.3" BBK_DIFF_Y="16.4"/>
      <bbk:Obs TIME_PERIOD="2023-08" OBS_VALUE="19109.72" BBK_DIFF="5.7" BBK_DIFF_Y="37.9"/>
      <bbk:Obs TIME_PERIOD="2023-07" OBS_VALUE="18075.659" BBK_DIFF="-15.3" BBK_DIFF_Y="27.3"/>
      <bbk:Obs TIME_PERIOD="2023-06" OBS_VALUE="21351.495" BBK_DIFF="28.7" BBK_DIFF_Y="30.5"/>
      <bbk:Obs TIME_PERIOD="2023-05" OBS_VALUE="16589.537" BBK_DIFF="0.6" BBK_DIFF_Y="11.5"/>
      <bbk:Obs TIME_PERIOD="2023-04" OBS_VALUE="16487.329" BBK_DIFF="-29.2" BBK_DIFF_Y="30.9"/>
      <bbk:Obs TIME_PERIOD="2023-03" OBS_VALUE="23290.721" BBK_DIFF="18.7" BBK_DIFF_Y="27.8"/>
      <bbk:Obs TIME_PERIOD="2023-02" OBS_VALUE="19619.856" BBK_DIFF="7.6" BBK_DIFF_Y="7.5"/>
      <bbk:Obs TIME_PERIOD="2023-01" OBS_VALUE="18232.507" BBK_DIFF="17.5" BBK_DIFF_Y="23.3"/>
      <bbk:Obs TIME_PERIOD="2022-12" OBS_VALUE="15519.941" BBK_DIFF="-22.6" BBK_DIFF_Y="12.7"/>
      <bbk:Obs TIME_PERIOD="2022-11" OBS_VALUE="20042.867" BBK_DIFF="42.5" BBK_DIFF_Y="17.8"/>
      <bbk:Obs TIME_PERIOD="2022-10" OBS_VALUE="14061.668" BBK_DIFF="-20.9" BBK_DIFF_Y="-13.7"/>
      <bbk:Obs TIME_PERIOD="2022-09" OBS_VALUE="17781.259" BBK_DIFF="28.3" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="2022-08" OBS_VALUE="13858.973" BBK_DIFF="-2.4" BBK_DIFF_Y="5.3"/>
      <bbk:Obs TIME_PERIOD="2022-07" OBS_VALUE="14204.836" BBK_DIFF="-13.2" BBK_DIFF_Y="-11.1"/>
      <bbk:Obs TIME_PERIOD="2022-06" OBS_VALUE="16362.412" BBK_DIFF="10.0" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="2022-05" OBS_VALUE="14875.231" BBK_DIFF="18.1" BBK_DIFF_Y="4.9"/>
      <bbk:Obs TIME_PERIOD="2022-04" OBS_VALUE="12592.917" BBK_DIFF="-30.9" BBK_DIFF_Y="-21.9"/>
      <bbk:Obs TIME_PERIOD="2022-03" OBS_VALUE="18227.476" BBK_DIFF="-0.2" BBK_DIFF_Y="-10.0"/>
      <bbk:Obs TIME_PERIOD="2022-02" OBS_VALUE="18257.371" BBK_DIFF="23.4" BBK_DIFF_Y="21.3"/>
      <bbk:Obs TIME_PERIOD="2022-01" OBS_VALUE="14790.779" BBK_DIFF="7.4" BBK_DIFF_Y="1.2"/>
      <bbk:Obs TIME_PERIOD="2021-12" OBS_VALUE="13767.543" BBK_DIFF="-19.1" BBK_DIFF_Y="22.2"/>
      <bbk:Obs TIME_PERIOD="2021-11" OBS_VALUE="17019.905" BBK_DIFF="4.4" BBK_DIFF_Y="25.8"/>
      <bbk:Obs TIME_PERIOD="2021-10" OBS_VALUE="16296.485" BBK_DIFF="0.4" BBK_DIFF_Y="1.7"/>
      <bbk:Obs TIME_PERIOD="2021-09" OBS_VALUE="16226.4" BBK_DIFF="23.3" BBK_DIFF_Y="-5.3"/>
      <bbk:Obs TIME_PERIOD="2021-08" OBS_VALUE="13161.675" BBK_DIFF="-17.6" BBK_DIFF_Y="12.3"/>
      <bbk:Obs TIME_PERIOD="2021-07" OBS_VALUE="15980.926" BBK_DIFF="3.7" BBK_DIFF_Y="6.9"/>
      <bbk:Obs TIME_PERIOD="2021-06" OBS_VALUE="15408.425" BBK_DIFF="8.7" BBK_DIFF_Y="28.1"/>
      <bbk:Obs TIME_PERIOD="2021-05" OBS_VALUE="14177.186" BBK_DIFF="-12.0" BBK_DIFF_Y="72.2"/>
      <bbk:Obs TIME_PERIOD="2021-04" OBS_VALUE="16118.412" BBK_DIFF="-20.4" BBK_DIFF_Y="416.3"/>
      <bbk:Obs TIME_PERIOD="2021-03" OBS_VALUE="20256.251" BBK_DIFF="34.5" BBK_DIFF_Y="34.4"/>
      <bbk:Obs TIME_PERIOD="2021-02" OBS_VALUE="15057.187" BBK_DIFF="3.0" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2021-01" OBS_VALUE="14612.363" BBK_DIFF="29.7" BBK_DIFF_Y="-5.3"/>
      <bbk:Obs TIME_PERIOD="2020-12" OBS_VALUE="11263.106" BBK_DIFF="-16.7" BBK_DIFF_Y="14.1"/>
      <bbk:Obs TIME_PERIOD="2020-11" OBS_VALUE="13526.335" BBK_DIFF="-15.6" BBK_DIFF_Y="-13.4"/>
      <bbk:Obs TIME_PERIOD="2020-10" OBS_VALUE="16031.756" BBK_DIFF="-6.5" BBK_DIFF_Y="-14.2"/>
      <bbk:Obs TIME_PERIOD="2020-09" OBS_VALUE="17142.304" BBK_DIFF="46.2" BBK_DIFF_Y="-5.0"/>
      <bbk:Obs TIME_PERIOD="2020-08" OBS_VALUE="11724.496" BBK_DIFF="-21.5" BBK_DIFF_Y="-22.3"/>
      <bbk:Obs TIME_PERIOD="2020-07" OBS_VALUE="14943.286" BBK_DIFF="24.3" BBK_DIFF_Y="-9.9"/>
      <bbk:Obs TIME_PERIOD="2020-06" OBS_VALUE="12026.767" BBK_DIFF="46.1" BBK_DIFF_Y="-12.5"/>
      <bbk:Obs TIME_PERIOD="2020-05" OBS_VALUE="8231.079" BBK_DIFF="163.7" BBK_DIFF_Y="-49.8"/>
      <bbk:Obs TIME_PERIOD="2020-04" OBS_VALUE="3121.757" BBK_DIFF="-79.3" BBK_DIFF_Y="-80.3"/>
      <bbk:Obs TIME_PERIOD="2020-03" OBS_VALUE="15076.701" BBK_DIFF="-9.5" BBK_DIFF_Y="-22.5"/>
      <bbk:Obs TIME_PERIOD="2020-02" OBS_VALUE="16656.609" BBK_DIFF="7.9" BBK_DIFF_Y="0.8"/>
      <bbk:Obs TIME_PERIOD="2020-01" OBS_VALUE="15430.927" BBK_DIFF="56.3" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2019-12" OBS_VALUE="9875.465" BBK_DIFF="-36.8" BBK_DIFF_Y="1.6"/>
      <bbk:Obs TIME_PERIOD="2019-11" OBS_VALUE="15627.994" BBK_DIFF="-16.4" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="2019-10" OBS_VALUE="18683.582" BBK_DIFF="3.6" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="2019-09" OBS_VALUE="18042.755" BBK_DIFF="19.5" BBK_DIFF_Y="13.6"/>
      <bbk:Obs TIME_PERIOD="2019-08" OBS_VALUE="15092.892" BBK_DIFF="-9.0" BBK_DIFF_Y="2.2"/>
      <bbk:Obs TIME_PERIOD="2019-07" OBS_VALUE="16588.056" BBK_DIFF="20.7" BBK_DIFF_Y="15.1"/>
      <bbk:Obs TIME_PERIOD="2019-06" OBS_VALUE="13746.558" BBK_DIFF="-16.2" BBK_DIFF_Y="-27.8"/>
      <bbk:Obs TIME_PERIOD="2019-05" OBS_VALUE="16398.946" BBK_DIFF="3.6" BBK_DIFF_Y="-6.8"/>
      <bbk:Obs TIME_PERIOD="2019-04" OBS_VALUE="15831.651" BBK_DIFF="-18.7" BBK_DIFF_Y="-11.1"/>
      <bbk:Obs TIME_PERIOD="2019-03" OBS_VALUE="19461.846" BBK_DIFF="17.7" BBK_DIFF_Y="-6.5"/>
      <bbk:Obs TIME_PERIOD="2019-02" OBS_VALUE="16530.876" BBK_DIFF="-4.2" BBK_DIFF_Y="-5.4"/>
      <bbk:Obs TIME_PERIOD="2019-01" OBS_VALUE="17262.252" BBK_DIFF="77.6" BBK_DIFF_Y="-8.9"/>
      <bbk:Obs TIME_PERIOD="2018-12" OBS_VALUE="9721.538" BBK_DIFF="-35.6" BBK_DIFF_Y="-31.8"/>
      <bbk:Obs TIME_PERIOD="2018-11" OBS_VALUE="15102.938" BBK_DIFF="-14.5" BBK_DIFF_Y="-31.9"/>
      <bbk:Obs TIME_PERIOD="2018-10" OBS_VALUE="17664.236" BBK_DIFF="11.2" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2018-09" OBS_VALUE="15887.911" BBK_DIFF="7.6" BBK_DIFF_Y="-27.9"/>
      <bbk:Obs TIME_PERIOD="2018-08" OBS_VALUE="14771.904" BBK_DIFF="2.5" BBK_DIFF_Y="-21.0"/>
      <bbk:Obs TIME_PERIOD="2018-07" OBS_VALUE="14408.032" BBK_DIFF="-24.4" BBK_DIFF_Y="-20.2"/>
      <bbk:Obs TIME_PERIOD="2018-06" OBS_VALUE="19046.604" BBK_DIFF="8.2" BBK_DIFF_Y="-7.7"/>
      <bbk:Obs TIME_PERIOD="2018-05" OBS_VALUE="17597.676" BBK_DIFF="-1.2" BBK_DIFF_Y="-7.7"/>
      <bbk:Obs TIME_PERIOD="2018-04" OBS_VALUE="17804.003" BBK_DIFF="-14.4" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="2018-03" OBS_VALUE="20804.411" BBK_DIFF="19.1" BBK_DIFF_Y="-8.9"/>
      <bbk:Obs TIME_PERIOD="2018-02" OBS_VALUE="17465.467" BBK_DIFF="-7.8" BBK_DIFF_Y="-9.1"/>
      <bbk:Obs TIME_PERIOD="2018-01" OBS_VALUE="18940.878" BBK_DIFF="33.0" BBK_DIFF_Y="14.2"/>
      <bbk:Obs TIME_PERIOD="2017-12" OBS_VALUE="14244.253" BBK_DIFF="-35.7" BBK_DIFF_Y="29.0"/>
      <bbk:Obs TIME_PERIOD="2017-11" OBS_VALUE="22169.405" BBK_DIFF="13.4" BBK_DIFF_Y="12.7"/>
      <bbk:Obs TIME_PERIOD="2017-10" OBS_VALUE="19546.172" BBK_DIFF="-11.3" BBK_DIFF_Y="9.7"/>
      <bbk:Obs TIME_PERIOD="2017-09" OBS_VALUE="22046.434" BBK_DIFF="18.0" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="2017-08" OBS_VALUE="18690.047" BBK_DIFF="3.5" BBK_DIFF_Y="12.1"/>
      <bbk:Obs TIME_PERIOD="2017-07" OBS_VALUE="18057.715" BBK_DIFF="-12.5" BBK_DIFF_Y="5.0"/>
      <bbk:Obs TIME_PERIOD="2017-06" OBS_VALUE="20633.983" BBK_DIFF="8.2" BBK_DIFF_Y="-0.1"/>
      <bbk:Obs TIME_PERIOD="2017-05" OBS_VALUE="19065.323" BBK_DIFF="10.4" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="2017-04" OBS_VALUE="17265.352" BBK_DIFF="-24.4" BBK_DIFF_Y="-16.6"/>
      <bbk:Obs TIME_PERIOD="2017-03" OBS_VALUE="22837.509" BBK_DIFF="18.8" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="2017-02" OBS_VALUE="19221.737" BBK_DIFF="15.9" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2017-01" OBS_VALUE="16581.73" BBK_DIFF="50.1" BBK_DIFF_Y="4.6"/>
      <bbk:Obs TIME_PERIOD="2016-12" OBS_VALUE="11044.783" BBK_DIFF="-43.9" BBK_DIFF_Y="-18.1"/>
      <bbk:Obs TIME_PERIOD="2016-11" OBS_VALUE="19676.1" BBK_DIFF="10.4" BBK_DIFF_Y="0.8"/>
      <bbk:Obs TIME_PERIOD="2016-10" OBS_VALUE="17816.966" BBK_DIFF="-13.9" BBK_DIFF_Y="-11.5"/>
      <bbk:Obs TIME_PERIOD="2016-09" OBS_VALUE="20697.29" BBK_DIFF="24.2" BBK_DIFF_Y="-6.2"/>
      <bbk:Obs TIME_PERIOD="2016-08" OBS_VALUE="16665.963" BBK_DIFF="-3.1" BBK_DIFF_Y="17.6"/>
      <bbk:Obs TIME_PERIOD="2016-07" OBS_VALUE="17200.654" BBK_DIFF="-16.7" BBK_DIFF_Y="-11.1"/>
      <bbk:Obs TIME_PERIOD="2016-06" OBS_VALUE="20660.329" BBK_DIFF="15.1" BBK_DIFF_Y="-2.1"/>
      <bbk:Obs TIME_PERIOD="2016-05" OBS_VALUE="17948.915" BBK_DIFF="-13.3" BBK_DIFF_Y="5.5"/>
      <bbk:Obs TIME_PERIOD="2016-04" OBS_VALUE="20694.106" BBK_DIFF="-4.2" BBK_DIFF_Y="26.1"/>
      <bbk:Obs TIME_PERIOD="2016-03" OBS_VALUE="21590.925" BBK_DIFF="17.4" BBK_DIFF_Y="1.4"/>
      <bbk:Obs TIME_PERIOD="2016-02" OBS_VALUE="18394.877" BBK_DIFF="16.1" BBK_DIFF_Y="7.7"/>
      <bbk:Obs TIME_PERIOD="2016-01" OBS_VALUE="15849.053" BBK_DIFF="17.5" BBK_DIFF_Y="-1.6"/>
      <bbk:Obs TIME_PERIOD="2015-12" OBS_VALUE="13490.663" BBK_DIFF="-30.9" BBK_DIFF_Y="-3.2"/>
      <bbk:Obs TIME_PERIOD="2015-11" OBS_VALUE="19520.558" BBK_DIFF="-3.1" BBK_DIFF_Y="27.2"/>
      <bbk:Obs TIME_PERIOD="2015-10" OBS_VALUE="20135.08" BBK_DIFF="-8.8" BBK_DIFF_Y="12.1"/>
      <bbk:Obs TIME_PERIOD="2015-09" OBS_VALUE="22072.752" BBK_DIFF="55.8" BBK_DIFF_Y="16.2"/>
      <bbk:Obs TIME_PERIOD="2015-08" OBS_VALUE="14168.977" BBK_DIFF="-26.7" BBK_DIFF_Y="15.1"/>
      <bbk:Obs TIME_PERIOD="2015-07" OBS_VALUE="19338.349" BBK_DIFF="-8.4" BBK_DIFF_Y="14.5"/>
      <bbk:Obs TIME_PERIOD="2015-06" OBS_VALUE="21105.646" BBK_DIFF="24.1" BBK_DIFF_Y="53.5"/>
      <bbk:Obs TIME_PERIOD="2015-05" OBS_VALUE="17007.492" BBK_DIFF="3.6" BBK_DIFF_Y="28.4"/>
      <bbk:Obs TIME_PERIOD="2015-04" OBS_VALUE="16414.594" BBK_DIFF="-22.9" BBK_DIFF_Y="19.1"/>
      <bbk:Obs TIME_PERIOD="2015-03" OBS_VALUE="21282.638" BBK_DIFF="24.7" BBK_DIFF_Y="41.6"/>
      <bbk:Obs TIME_PERIOD="2015-02" OBS_VALUE="17073.6" BBK_DIFF="6.0" BBK_DIFF_Y="21.1"/>
      <bbk:Obs TIME_PERIOD="2015-01" OBS_VALUE="16109.047" BBK_DIFF="15.6" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="2014-12" OBS_VALUE="13939.601" BBK_DIFF="-9.2" BBK_DIFF_Y="42.7"/>
      <bbk:Obs TIME_PERIOD="2014-11" OBS_VALUE="15352.106" BBK_DIFF="-14.5" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="2014-10" OBS_VALUE="17959.65" BBK_DIFF="-5.4" BBK_DIFF_Y="22.7"/>
      <bbk:Obs TIME_PERIOD="2014-09" OBS_VALUE="18988.746" BBK_DIFF="54.3" BBK_DIFF_Y="15.2"/>
      <bbk:Obs TIME_PERIOD="2014-08" OBS_VALUE="12310.143" BBK_DIFF="-27.1" BBK_DIFF_Y="8.8"/>
      <bbk:Obs TIME_PERIOD="2014-07" OBS_VALUE="16890.08" BBK_DIFF="22.9" BBK_DIFF_Y="31.7"/>
      <bbk:Obs TIME_PERIOD="2014-06" OBS_VALUE="13746.489" BBK_DIFF="3.7" BBK_DIFF_Y="5.2"/>
      <bbk:Obs TIME_PERIOD="2014-05" OBS_VALUE="13249.94" BBK_DIFF="-3.9" BBK_DIFF_Y="16.7"/>
      <bbk:Obs TIME_PERIOD="2014-04" OBS_VALUE="13780.916" BBK_DIFF="-8.3" BBK_DIFF_Y="-8.5"/>
      <bbk:Obs TIME_PERIOD="2014-03" OBS_VALUE="15031.453" BBK_DIFF="6.6" BBK_DIFF_Y="-5.2"/>
      <bbk:Obs TIME_PERIOD="2014-02" OBS_VALUE="14098.838" BBK_DIFF="-10.7" BBK_DIFF_Y="3.6"/>
      <bbk:Obs TIME_PERIOD="2014-01" OBS_VALUE="15787.43" BBK_DIFF="61.6" BBK_DIFF_Y="15.2"/>
      <bbk:Obs TIME_PERIOD="2013-12" OBS_VALUE="9770.55" BBK_DIFF="-34.1" BBK_DIFF_Y="-5.3"/>
      <bbk:Obs TIME_PERIOD="2013-11" OBS_VALUE="14837.141" BBK_DIFF="1.4" BBK_DIFF_Y="8.0"/>
      <bbk:Obs TIME_PERIOD="2013-10" OBS_VALUE="14632.921" BBK_DIFF="-11.2" BBK_DIFF_Y="4.2"/>
      <bbk:Obs TIME_PERIOD="2013-09" OBS_VALUE="16484.884" BBK_DIFF="45.7" BBK_DIFF_Y="7.2"/>
      <bbk:Obs TIME_PERIOD="2013-08" OBS_VALUE="11316.764" BBK_DIFF="-11.8" BBK_DIFF_Y="-17.5"/>
      <bbk:Obs TIME_PERIOD="2013-07" OBS_VALUE="12824.524" BBK_DIFF="-1.9" BBK_DIFF_Y="-1.1"/>
      <bbk:Obs TIME_PERIOD="2013-06" OBS_VALUE="13072.28" BBK_DIFF="15.1" BBK_DIFF_Y="-3.8"/>
      <bbk:Obs TIME_PERIOD="2013-05" OBS_VALUE="11358.136" BBK_DIFF="-24.6" BBK_DIFF_Y="-9.4"/>
      <bbk:Obs TIME_PERIOD="2013-04" OBS_VALUE="15056.117" BBK_DIFF="-5.0" BBK_DIFF_Y="22.5"/>
      <bbk:Obs TIME_PERIOD="2013-03" OBS_VALUE="15848.71" BBK_DIFF="16.5" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2013-02" OBS_VALUE="13605.415" BBK_DIFF="-0.7" BBK_DIFF_Y="-11.5"/>
      <bbk:Obs TIME_PERIOD="2013-01" OBS_VALUE="13704.442" BBK_DIFF="32.8" BBK_DIFF_Y="-8.5"/>
      <bbk:Obs TIME_PERIOD="2012-12" OBS_VALUE="10316.467" BBK_DIFF="-24.9" BBK_DIFF_Y="0.6"/>
      <bbk:Obs TIME_PERIOD="2012-11" OBS_VALUE="13741.674" BBK_DIFF="-2.2" BBK_DIFF_Y="-6.1"/>
      <bbk:Obs TIME_PERIOD="2012-10" OBS_VALUE="14045.185" BBK_DIFF="-8.7" BBK_DIFF_Y="28.5"/>
      <bbk:Obs TIME_PERIOD="2012-09" OBS_VALUE="15382.186" BBK_DIFF="12.2" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="2012-08" OBS_VALUE="13712.337" BBK_DIFF="5.8" BBK_DIFF_Y="25.9"/>
      <bbk:Obs TIME_PERIOD="2012-07" OBS_VALUE="12960.912" BBK_DIFF="-4.7" BBK_DIFF_Y="18.9"/>
      <bbk:Obs TIME_PERIOD="2012-06" OBS_VALUE="13594.278" BBK_DIFF="8.4" BBK_DIFF_Y="19.4"/>
      <bbk:Obs TIME_PERIOD="2012-05" OBS_VALUE="12542.195" BBK_DIFF="2.0" BBK_DIFF_Y="0.1"/>
      <bbk:Obs TIME_PERIOD="2012-04" OBS_VALUE="12293.081" BBK_DIFF="-18.9" BBK_DIFF_Y="14.2"/>
      <bbk:Obs TIME_PERIOD="2012-03" OBS_VALUE="15161.373" BBK_DIFF="-1.4" BBK_DIFF_Y="-2.1"/>
      <bbk:Obs TIME_PERIOD="2012-02" OBS_VALUE="15373.31" BBK_DIFF="2.7" BBK_DIFF_Y="28.2"/>
      <bbk:Obs TIME_PERIOD="2012-01" OBS_VALUE="14976.313" BBK_DIFF="46.1" BBK_DIFF_Y="31.3"/>
      <bbk:Obs TIME_PERIOD="2011-12" OBS_VALUE="10252.515" BBK_DIFF="-30.0" BBK_DIFF_Y="-2.3"/>
      <bbk:Obs TIME_PERIOD="2011-11" OBS_VALUE="14638.056" BBK_DIFF="34.0" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="2011-10" OBS_VALUE="10926.852" BBK_DIFF="-30.2" BBK_DIFF_Y="-15.2"/>
      <bbk:Obs TIME_PERIOD="2011-09" OBS_VALUE="15662.776" BBK_DIFF="43.8" BBK_DIFF_Y="3.8"/>
      <bbk:Obs TIME_PERIOD="2011-08" OBS_VALUE="10893.818" BBK_DIFF="-0.1" BBK_DIFF_Y="19.3"/>
      <bbk:Obs TIME_PERIOD="2011-07" OBS_VALUE="10899.856" BBK_DIFF="-4.2" BBK_DIFF_Y="1.4"/>
      <bbk:Obs TIME_PERIOD="2011-06" OBS_VALUE="11382.845" BBK_DIFF="-9.2" BBK_DIFF_Y="-12.8"/>
      <bbk:Obs TIME_PERIOD="2011-05" OBS_VALUE="12534.473" BBK_DIFF="16.4" BBK_DIFF_Y="23.7"/>
      <bbk:Obs TIME_PERIOD="2011-04" OBS_VALUE="10765.656" BBK_DIFF="-30.4" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="2011-03" OBS_VALUE="15478.821" BBK_DIFF="29.1" BBK_DIFF_Y="16.0"/>
      <bbk:Obs TIME_PERIOD="2011-02" OBS_VALUE="11993.808" BBK_DIFF="5.2" BBK_DIFF_Y="3.9"/>
      <bbk:Obs TIME_PERIOD="2011-01" OBS_VALUE="11405.138" BBK_DIFF="8.7" BBK_DIFF_Y="30.3"/>
      <bbk:Obs TIME_PERIOD="2010-12" OBS_VALUE="10489.748" BBK_DIFF="-21.1" BBK_DIFF_Y="-1.1"/>
      <bbk:Obs TIME_PERIOD="2010-11" OBS_VALUE="13287.874" BBK_DIFF="3.1" BBK_DIFF_Y="-3.2"/>
      <bbk:Obs TIME_PERIOD="2010-10" OBS_VALUE="12891.411" BBK_DIFF="-14.6" BBK_DIFF_Y="15.7"/>
      <bbk:Obs TIME_PERIOD="2010-09" OBS_VALUE="15090.492" BBK_DIFF="65.3" BBK_DIFF_Y="23.8"/>
      <bbk:Obs TIME_PERIOD="2010-08" OBS_VALUE="9131.566" BBK_DIFF="-15.0" BBK_DIFF_Y="22.8"/>
      <bbk:Obs TIME_PERIOD="2010-07" OBS_VALUE="10744.33" BBK_DIFF="-17.7" BBK_DIFF_Y="-8.0"/>
      <bbk:Obs TIME_PERIOD="2010-06" OBS_VALUE="13049.297" BBK_DIFF="28.8" BBK_DIFF_Y="23.9"/>
      <bbk:Obs TIME_PERIOD="2010-05" OBS_VALUE="10133.258" BBK_DIFF="-12.6" BBK_DIFF_Y="23.7"/>
      <bbk:Obs TIME_PERIOD="2010-04" OBS_VALUE="11596.132" BBK_DIFF="-13.1" BBK_DIFF_Y="34.9"/>
      <bbk:Obs TIME_PERIOD="2010-03" OBS_VALUE="13342.764" BBK_DIFF="15.6" BBK_DIFF_Y="63.1"/>
      <bbk:Obs TIME_PERIOD="2010-02" OBS_VALUE="11541.203" BBK_DIFF="31.9" BBK_DIFF_Y="52.3"/>
      <bbk:Obs TIME_PERIOD="2010-01" OBS_VALUE="8752.785" BBK_DIFF="-17.5" BBK_DIFF_Y="14.5"/>
      <bbk:Obs TIME_PERIOD="2009-12" OBS_VALUE="10607.135" BBK_DIFF="-22.7" BBK_DIFF_Y="90.9"/>
      <bbk:Obs TIME_PERIOD="2009-11" OBS_VALUE="13724.76" BBK_DIFF="23.2" BBK_DIFF_Y="54.9"/>
      <bbk:Obs TIME_PERIOD="2009-10" OBS_VALUE="11142.948" BBK_DIFF="-8.6" BBK_DIFF_Y="-19.9"/>
      <bbk:Obs TIME_PERIOD="2009-09" OBS_VALUE="12188.237" BBK_DIFF="63.9" BBK_DIFF_Y="-19.2"/>
      <bbk:Obs TIME_PERIOD="2009-08" OBS_VALUE="7435.538" BBK_DIFF="-36.3" BBK_DIFF_Y="-26.4"/>
      <bbk:Obs TIME_PERIOD="2009-07" OBS_VALUE="11679.51" BBK_DIFF="10.9" BBK_DIFF_Y="-8.4"/>
      <bbk:Obs TIME_PERIOD="2009-06" OBS_VALUE="10533.179" BBK_DIFF="28.5" BBK_DIFF_Y="-34.7"/>
      <bbk:Obs TIME_PERIOD="2009-05" OBS_VALUE="8194.682" BBK_DIFF="-4.7" BBK_DIFF_Y="-35.6"/>
      <bbk:Obs TIME_PERIOD="2009-04" OBS_VALUE="8597.834" BBK_DIFF="5.1" BBK_DIFF_Y="-48.6"/>
      <bbk:Obs TIME_PERIOD="2009-03" OBS_VALUE="8178.393" BBK_DIFF="7.9" BBK_DIFF_Y="-44.5"/>
      <bbk:Obs TIME_PERIOD="2009-02" OBS_VALUE="7580.033" BBK_DIFF="-0.9" BBK_DIFF_Y="-48.7"/>
      <bbk:Obs TIME_PERIOD="2009-01" OBS_VALUE="7645.827" BBK_DIFF="37.6" BBK_DIFF_Y="-53.6"/>
      <bbk:Obs TIME_PERIOD="2008-12" OBS_VALUE="5554.997" BBK_DIFF="-37.3" BBK_DIFF_Y="-46.8"/>
      <bbk:Obs TIME_PERIOD="2008-11" OBS_VALUE="8859.098" BBK_DIFF="-36.4" BBK_DIFF_Y="-49.1"/>
      <bbk:Obs TIME_PERIOD="2008-10" OBS_VALUE="13918.756" BBK_DIFF="-7.8" BBK_DIFF_Y="-17.8"/>
      <bbk:Obs TIME_PERIOD="2008-09" OBS_VALUE="15090.503" BBK_DIFF="49.4" BBK_DIFF_Y="-6.2"/>
      <bbk:Obs TIME_PERIOD="2008-08" OBS_VALUE="10102.351" BBK_DIFF="-20.7" BBK_DIFF_Y="-15.8"/>
      <bbk:Obs TIME_PERIOD="2008-07" OBS_VALUE="12744.086" BBK_DIFF="-21.0" BBK_DIFF_Y="-18.0"/>
      <bbk:Obs TIME_PERIOD="2008-06" OBS_VALUE="16122.585" BBK_DIFF="26.8" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="2008-05" OBS_VALUE="12715.71" BBK_DIFF="-24.0" BBK_DIFF_Y="-15.1"/>
      <bbk:Obs TIME_PERIOD="2008-04" OBS_VALUE="16739.508" BBK_DIFF="13.6" BBK_DIFF_Y="22.4"/>
      <bbk:Obs TIME_PERIOD="2008-03" OBS_VALUE="14734.294" BBK_DIFF="-0.3" BBK_DIFF_Y="-13.9"/>
      <bbk:Obs TIME_PERIOD="2008-02" OBS_VALUE="14775.191" BBK_DIFF="-10.3" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="2008-01" OBS_VALUE="16468.815" BBK_DIFF="57.9" BBK_DIFF_Y="9.8"/>
      <bbk:Obs TIME_PERIOD="2007-12" OBS_VALUE="10432.474" BBK_DIFF="-40.1" BBK_DIFF_Y="5.6"/>
      <bbk:Obs TIME_PERIOD="2007-11" OBS_VALUE="17413.528" BBK_DIFF="2.9" BBK_DIFF_Y="19.3"/>
      <bbk:Obs TIME_PERIOD="2007-10" OBS_VALUE="16923.477" BBK_DIFF="5.2" BBK_DIFF_Y="13.4"/>
      <bbk:Obs TIME_PERIOD="2007-09" OBS_VALUE="16084.971" BBK_DIFF="34.1" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="2007-08" OBS_VALUE="11998.235" BBK_DIFF="-22.8" BBK_DIFF_Y="19.6"/>
      <bbk:Obs TIME_PERIOD="2007-07" OBS_VALUE="15548.011" BBK_DIFF="8.0" BBK_DIFF_Y="32.6"/>
      <bbk:Obs TIME_PERIOD="2007-06" OBS_VALUE="14400.916" BBK_DIFF="-3.9" BBK_DIFF_Y="18.6"/>
      <bbk:Obs TIME_PERIOD="2007-05" OBS_VALUE="14981.45" BBK_DIFF="9.5" BBK_DIFF_Y="20.5"/>
      <bbk:Obs TIME_PERIOD="2007-04" OBS_VALUE="13678.126" BBK_DIFF="-20.1" BBK_DIFF_Y="20.9"/>
      <bbk:Obs TIME_PERIOD="2007-03" OBS_VALUE="17113.37" BBK_DIFF="21.4" BBK_DIFF_Y="24.7"/>
      <bbk:Obs TIME_PERIOD="2007-02" OBS_VALUE="14094.081" BBK_DIFF="-6.1" BBK_DIFF_Y="2.6"/>
      <bbk:Obs TIME_PERIOD="2007-01" OBS_VALUE="15002.821" BBK_DIFF="51.8" BBK_DIFF_Y="12.5"/>
      <bbk:Obs TIME_PERIOD="2006-12" OBS_VALUE="9883.272" BBK_DIFF="-32.3" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="2006-11" OBS_VALUE="14597.407" BBK_DIFF="-2.2" BBK_DIFF_Y="16.4"/>
      <bbk:Obs TIME_PERIOD="2006-10" OBS_VALUE="14927.385" BBK_DIFF="3.8" BBK_DIFF_Y="32.4"/>
      <bbk:Obs TIME_PERIOD="2006-09" OBS_VALUE="14379.746" BBK_DIFF="43.3" BBK_DIFF_Y="-1.0"/>
      <bbk:Obs TIME_PERIOD="2006-08" OBS_VALUE="10033.369" BBK_DIFF="-14.4" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2006-07" OBS_VALUE="11724.519" BBK_DIFF="-3.5" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-06" OBS_VALUE="12146.833" BBK_DIFF="-2.3" BBK_DIFF_Y="-18.6"/>
      <bbk:Obs TIME_PERIOD="2006-05" OBS_VALUE="12436.14" BBK_DIFF="9.9" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="2006-04" OBS_VALUE="11311.551" BBK_DIFF="-17.6" BBK_DIFF_Y="-4.6"/>
      <bbk:Obs TIME_PERIOD="2006-03" OBS_VALUE="13728.959" BBK_DIFF="-0.1" BBK_DIFF_Y="-5.8"/>
      <bbk:Obs TIME_PERIOD="2006-02" OBS_VALUE="13740.183" BBK_DIFF="3.0" BBK_DIFF_Y="5.1"/>
      <bbk:Obs TIME_PERIOD="2006-01" OBS_VALUE="13339.7" BBK_DIFF="38.9" BBK_DIFF_Y="9.7"/>
      <bbk:Obs TIME_PERIOD="2005-12" OBS_VALUE="9601.66" BBK_DIFF="-23.4" BBK_DIFF_Y="8.6"/>
      <bbk:Obs TIME_PERIOD="2005-11" OBS_VALUE="12536.174" BBK_DIFF="11.2" BBK_DIFF_Y="9.4"/>
      <bbk:Obs TIME_PERIOD="2005-10" OBS_VALUE="11270.4" BBK_DIFF="-22.4" BBK_DIFF_Y="-12.4"/>
      <bbk:Obs TIME_PERIOD="2005-09" OBS_VALUE="14524.629" BBK_DIFF="30.8" BBK_DIFF_Y="20.8"/>
      <bbk:Obs TIME_PERIOD="2005-08" OBS_VALUE="11103.579" BBK_DIFF="-5.5" BBK_DIFF_Y="14.4"/>
      <bbk:Obs TIME_PERIOD="2005-07" OBS_VALUE="11754.467" BBK_DIFF="-21.2" BBK_DIFF_Y="-3.7"/>
      <bbk:Obs TIME_PERIOD="2005-06" OBS_VALUE="14914.255" BBK_DIFF="27.8" BBK_DIFF_Y="12.2"/>
      <bbk:Obs TIME_PERIOD="2005-05" OBS_VALUE="11672.998" BBK_DIFF="-1.6" BBK_DIFF_Y="-6.9"/>
      <bbk:Obs TIME_PERIOD="2005-04" OBS_VALUE="11862.125" BBK_DIFF="-18.6" BBK_DIFF_Y="-6.8"/>
      <bbk:Obs TIME_PERIOD="2005-03" OBS_VALUE="14574.691" BBK_DIFF="11.4" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="2005-02" OBS_VALUE="13078.578" BBK_DIFF="7.6" BBK_DIFF_Y="13.9"/>
      <bbk:Obs TIME_PERIOD="2005-01" OBS_VALUE="12159.229" BBK_DIFF="37.5" BBK_DIFF_Y="12.3"/>
      <bbk:Obs TIME_PERIOD="2004-12" OBS_VALUE="8841.194" BBK_DIFF="-22.9" BBK_DIFF_Y="-4.1"/>
      <bbk:Obs TIME_PERIOD="2004-11" OBS_VALUE="11460.396" BBK_DIFF="-10.9" BBK_DIFF_Y="7.2"/>
      <bbk:Obs TIME_PERIOD="2004-10" OBS_VALUE="12866.972" BBK_DIFF="7.0" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="2004-09" OBS_VALUE="12024.09" BBK_DIFF="23.9" BBK_DIFF_Y="-5.5"/>
      <bbk:Obs TIME_PERIOD="2004-08" OBS_VALUE="9704.157" BBK_DIFF="-20.5" BBK_DIFF_Y="9.3"/>
      <bbk:Obs TIME_PERIOD="2004-07" OBS_VALUE="12210.236" BBK_DIFF="-8.1" BBK_DIFF_Y="2.8"/>
      <bbk:Obs TIME_PERIOD="2004-06" OBS_VALUE="13288.116" BBK_DIFF="6.0" BBK_DIFF_Y="39.9"/>
      <bbk:Obs TIME_PERIOD="2004-05" OBS_VALUE="12533.45" BBK_DIFF="-1.5" BBK_DIFF_Y="34.6"/>
      <bbk:Obs TIME_PERIOD="2004-04" OBS_VALUE="12721.899" BBK_DIFF="-9.6" BBK_DIFF_Y="40.2"/>
      <bbk:Obs TIME_PERIOD="2004-03" OBS_VALUE="14077.497" BBK_DIFF="22.6" BBK_DIFF_Y="39.0"/>
      <bbk:Obs TIME_PERIOD="2004-02" OBS_VALUE="11480.254" BBK_DIFF="6.0" BBK_DIFF_Y="12.6"/>
      <bbk:Obs TIME_PERIOD="2004-01" OBS_VALUE="10830.528" BBK_DIFF="17.5" BBK_DIFF_Y="11.1"/>
      <bbk:Obs TIME_PERIOD="2003-12" OBS_VALUE="9220.884" BBK_DIFF="-13.7" BBK_DIFF_Y="16.2"/>
      <bbk:Obs TIME_PERIOD="2003-11" OBS_VALUE="10689.783" BBK_DIFF="-3.1" BBK_DIFF_Y="-9.3"/>
      <bbk:Obs TIME_PERIOD="2003-10" OBS_VALUE="11033.638" BBK_DIFF="-13.3" BBK_DIFF_Y="-8.6"/>
      <bbk:Obs TIME_PERIOD="2003-09" OBS_VALUE="12726.985" BBK_DIFF="43.4" BBK_DIFF_Y="11.1"/>
      <bbk:Obs TIME_PERIOD="2003-08" OBS_VALUE="8875.611" BBK_DIFF="-25.3" BBK_DIFF_Y="-16.4"/>
      <bbk:Obs TIME_PERIOD="2003-07" OBS_VALUE="11877.157" BBK_DIFF="25.1" BBK_DIFF_Y="-1.9"/>
      <bbk:Obs TIME_PERIOD="2003-06" OBS_VALUE="9496.843" BBK_DIFF="2.0" BBK_DIFF_Y="-14.6"/>
      <bbk:Obs TIME_PERIOD="2003-05" OBS_VALUE="9313.936" BBK_DIFF="2.6" BBK_DIFF_Y="-10.8"/>
      <bbk:Obs TIME_PERIOD="2003-04" OBS_VALUE="9073.619" BBK_DIFF="-10.4" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2003-03" OBS_VALUE="10126.489" BBK_DIFF="-0.7" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2003-02" OBS_VALUE="10192.812" BBK_DIFF="4.6" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="2003-01" OBS_VALUE="9744.896" BBK_DIFF="22.8" BBK_DIFF_Y="-7.1"/>
      <bbk:Obs TIME_PERIOD="2002-12" OBS_VALUE="7937.432" BBK_DIFF="-32.6" BBK_DIFF_Y="-11.9"/>
      <bbk:Obs TIME_PERIOD="2002-11" OBS_VALUE="11780.48" BBK_DIFF="-2.4" BBK_DIFF_Y="43.7"/>
      <bbk:Obs TIME_PERIOD="2002-10" OBS_VALUE="12074.191" BBK_DIFF="5.4" BBK_DIFF_Y="23.9"/>
      <bbk:Obs TIME_PERIOD="2002-09" OBS_VALUE="11453.329" BBK_DIFF="7.8" BBK_DIFF_Y="51.7"/>
      <bbk:Obs TIME_PERIOD="2002-08" OBS_VALUE="10621.897" BBK_DIFF="-12.3" BBK_DIFF_Y="23.2"/>
      <bbk:Obs TIME_PERIOD="2002-07" OBS_VALUE="12109.767" BBK_DIFF="8.9" BBK_DIFF_Y="22.5"/>
      <bbk:Obs TIME_PERIOD="2002-06" OBS_VALUE="11116.528" BBK_DIFF="6.5" BBK_DIFF_Y="42.5"/>
      <bbk:Obs TIME_PERIOD="2002-05" OBS_VALUE="10438.298" BBK_DIFF="4.0" BBK_DIFF_Y="48.7"/>
      <bbk:Obs TIME_PERIOD="2002-04" OBS_VALUE="10032.877" BBK_DIFF="-11.4" BBK_DIFF_Y="42.2"/>
      <bbk:Obs TIME_PERIOD="2002-03" OBS_VALUE="11322.082" BBK_DIFF="3.1" BBK_DIFF_Y="17.1"/>
      <bbk:Obs TIME_PERIOD="2002-02" OBS_VALUE="10984.462" BBK_DIFF="4.7" BBK_DIFF_Y="19.0"/>
      <bbk:Obs TIME_PERIOD="2002-01" OBS_VALUE="10489.247" BBK_DIFF="16.4" BBK_DIFF_Y="34.9"/>
      <bbk:Obs TIME_PERIOD="2001-12" OBS_VALUE="9008.784" BBK_DIFF="9.9" BBK_DIFF_Y="192.6"/>
      <bbk:Obs TIME_PERIOD="2001-11" OBS_VALUE="8200.236" BBK_DIFF="-15.8" BBK_DIFF_Y="18.1"/>
      <bbk:Obs TIME_PERIOD="2001-10" OBS_VALUE="9741.647" BBK_DIFF="29.1" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="2001-09" OBS_VALUE="7547.931" BBK_DIFF="-12.4" BBK_DIFF_Y="24.5"/>
      <bbk:Obs TIME_PERIOD="2001-08" OBS_VALUE="8619.853" BBK_DIFF="-12.8" BBK_DIFF_Y="77.7"/>
      <bbk:Obs TIME_PERIOD="2001-07" OBS_VALUE="9888.153" BBK_DIFF="26.7" BBK_DIFF_Y="28.6"/>
      <bbk:Obs TIME_PERIOD="2001-06" OBS_VALUE="7802.903" BBK_DIFF="11.2" BBK_DIFF_Y="-4.2"/>
      <bbk:Obs TIME_PERIOD="2001-05" OBS_VALUE="7019.976" BBK_DIFF="-0.5" BBK_DIFF_Y="12.4"/>
      <bbk:Obs TIME_PERIOD="2001-04" OBS_VALUE="7053.966" BBK_DIFF="-27.0" BBK_DIFF_Y="0.7"/>
      <bbk:Obs TIME_PERIOD="2001-03" OBS_VALUE="9665.593" BBK_DIFF="4.7" BBK_DIFF_Y="18.1"/>
      <bbk:Obs TIME_PERIOD="2001-02" OBS_VALUE="9233.882" BBK_DIFF="18.8" BBK_DIFF_Y="1.9"/>
      <bbk:Obs TIME_PERIOD="2001-01" OBS_VALUE="7775.484" BBK_DIFF="152.5" BBK_DIFF_Y="51.4"/>
      <bbk:Obs TIME_PERIOD="2000-12" OBS_VALUE="3079.392" BBK_DIFF="-55.6" BBK_DIFF_Y="-44.8"/>
      <bbk:Obs TIME_PERIOD="2000-11" OBS_VALUE="6941.132" BBK_DIFF="-20.2" BBK_DIFF_Y="-19.8"/>
      <bbk:Obs TIME_PERIOD="2000-10" OBS_VALUE="8698.379" BBK_DIFF="43.4" BBK_DIFF_Y="27.5"/>
      <bbk:Obs TIME_PERIOD="2000-09" OBS_VALUE="6064.483" BBK_DIFF="25.0" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2000-08" OBS_VALUE="4851.587" BBK_DIFF="-36.9" BBK_DIFF_Y="48.0"/>
      <bbk:Obs TIME_PERIOD="2000-07" OBS_VALUE="7686.346" BBK_DIFF="-5.6" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="2000-06" OBS_VALUE="8144.43" BBK_DIFF="30.5" BBK_DIFF_Y="3.7"/>
      <bbk:Obs TIME_PERIOD="2000-05" OBS_VALUE="6242.852" BBK_DIFF="-10.8" BBK_DIFF_Y="64.4"/>
      <bbk:Obs TIME_PERIOD="2000-04" OBS_VALUE="7001.643" BBK_DIFF="-14.5" BBK_DIFF_Y="21.4"/>
      <bbk:Obs TIME_PERIOD="2000-03" OBS_VALUE="8187.131" BBK_DIFF="-9.7" BBK_DIFF_Y="46.5"/>
      <bbk:Obs TIME_PERIOD="2000-02" OBS_VALUE="9064.375" BBK_DIFF="76.5" BBK_DIFF_Y="46.7"/>
      <bbk:Obs TIME_PERIOD="2000-01" OBS_VALUE="5135.327" BBK_DIFF="-8.0" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="1999-12" OBS_VALUE="5579.596" BBK_DIFF="-35.5" BBK_DIFF_Y="64.8"/>
      <bbk:Obs TIME_PERIOD="1999-11" OBS_VALUE="8656.302" BBK_DIFF="26.8" BBK_DIFF_Y="15.5"/>
      <bbk:Obs TIME_PERIOD="1999-10" OBS_VALUE="6824.134" BBK_DIFF="0.6" BBK_DIFF_Y="0.8"/>
      <bbk:Obs TIME_PERIOD="1999-09" OBS_VALUE="6781.17" BBK_DIFF="106.8" BBK_DIFF_Y="21.3"/>
      <bbk:Obs TIME_PERIOD="1999-08" OBS_VALUE="3278.409" BBK_DIFF="-53.6" BBK_DIFF_Y="-16.0"/>
      <bbk:Obs TIME_PERIOD="1999-07" OBS_VALUE="7059.101" BBK_DIFF="-10.1" BBK_DIFF_Y="14.7"/>
      <bbk:Obs TIME_PERIOD="1999-06" OBS_VALUE="7852.033" BBK_DIFF="106.8" BBK_DIFF_Y="44.2"/>
      <bbk:Obs TIME_PERIOD="1999-05" OBS_VALUE="3796.945" BBK_DIFF="-34.2" BBK_DIFF_Y="-37.4"/>
      <bbk:Obs TIME_PERIOD="1999-04" OBS_VALUE="5768.721" BBK_DIFF="3.2" BBK_DIFF_Y="18.1"/>
      <bbk:Obs TIME_PERIOD="1999-03" OBS_VALUE="5590.045" BBK_DIFF="-9.5" BBK_DIFF_Y="-11.2"/>
      <bbk:Obs TIME_PERIOD="1999-02" OBS_VALUE="6176.992" BBK_DIFF="26.1" BBK_DIFF_Y="8.5"/>
      <bbk:Obs TIME_PERIOD="1999-01" OBS_VALUE="4898.526" BBK_DIFF="44.7" BBK_DIFF_Y="69.7"/>
      <bbk:Obs TIME_PERIOD="1998-12" OBS_VALUE="3385.485" BBK_DIFF="-54.8" BBK_DIFF_Y="-37.0"/>
      <bbk:Obs TIME_PERIOD="1998-11" OBS_VALUE="7496.054" BBK_DIFF="10.8" BBK_DIFF_Y="43.7"/>
      <bbk:Obs TIME_PERIOD="1998-10" OBS_VALUE="6768.096" BBK_DIFF="21.1" BBK_DIFF_Y="37.7"/>
      <bbk:Obs TIME_PERIOD="1998-09" OBS_VALUE="5588.441" BBK_DIFF="43.1" BBK_DIFF_Y="-10.5"/>
      <bbk:Obs TIME_PERIOD="1998-08" OBS_VALUE="3904.464" BBK_DIFF="-36.5" BBK_DIFF_Y="7.5"/>
      <bbk:Obs TIME_PERIOD="1998-07" OBS_VALUE="6152.798" BBK_DIFF="13.0" BBK_DIFF_Y="35.9"/>
      <bbk:Obs TIME_PERIOD="1998-06" OBS_VALUE="5444.914" BBK_DIFF="-10.2" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="1998-05" OBS_VALUE="6063.086" BBK_DIFF="24.1" BBK_DIFF_Y="47.1"/>
      <bbk:Obs TIME_PERIOD="1998-04" OBS_VALUE="4883.811" BBK_DIFF="-22.4" BBK_DIFF_Y="-5.9"/>
      <bbk:Obs TIME_PERIOD="1998-03" OBS_VALUE="6292.324" BBK_DIFF="10.5" BBK_DIFF_Y="36.0"/>
      <bbk:Obs TIME_PERIOD="1998-02" OBS_VALUE="5695.702" BBK_DIFF="97.4" BBK_DIFF_Y="30.2"/>
      <bbk:Obs TIME_PERIOD="1998-01" OBS_VALUE="2885.817" BBK_DIFF="-46.3" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="1997-12" OBS_VALUE="5377.015" BBK_DIFF="3.1" BBK_DIFF_Y="141.7"/>
      <bbk:Obs TIME_PERIOD="1997-11" OBS_VALUE="5217.122" BBK_DIFF="6.1" BBK_DIFF_Y="9.8"/>
      <bbk:Obs TIME_PERIOD="1997-10" OBS_VALUE="4916.31" BBK_DIFF="-21.2" BBK_DIFF_Y="-12.3"/>
      <bbk:Obs TIME_PERIOD="1997-09" OBS_VALUE="6241.507" BBK_DIFF="71.8" BBK_DIFF_Y="39.3"/>
      <bbk:Obs TIME_PERIOD="1997-08" OBS_VALUE="3632.657" BBK_DIFF="-19.7" BBK_DIFF_Y="-2.9"/>
      <bbk:Obs TIME_PERIOD="1997-07" OBS_VALUE="4525.898" BBK_DIFF="-10.0" BBK_DIFF_Y="-7.8"/>
      <bbk:Obs TIME_PERIOD="1997-06" OBS_VALUE="5026.09" BBK_DIFF="21.9" BBK_DIFF_Y="30.5"/>
      <bbk:Obs TIME_PERIOD="1997-05" OBS_VALUE="4121.64" BBK_DIFF="-20.5" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="1997-04" OBS_VALUE="5187.477" BBK_DIFF="12.1" BBK_DIFF_Y="55.0"/>
      <bbk:Obs TIME_PERIOD="1997-03" OBS_VALUE="4625.953" BBK_DIFF="5.7" BBK_DIFF_Y="31.1"/>
      <bbk:Obs TIME_PERIOD="1997-02" OBS_VALUE="4375.863" BBK_DIFF="35.6" BBK_DIFF_Y="-18.7"/>
      <bbk:Obs TIME_PERIOD="1997-01" OBS_VALUE="3226.858" BBK_DIFF="45.1" BBK_DIFF_Y="3.0"/>
      <bbk:Obs TIME_PERIOD="1996-12" OBS_VALUE="2224.469" BBK_DIFF="-53.2" BBK_DIFF_Y="-10.5"/>
      <bbk:Obs TIME_PERIOD="1996-11" OBS_VALUE="4752.976" BBK_DIFF="-15.2" BBK_DIFF_Y="-2.9"/>
      <bbk:Obs TIME_PERIOD="1996-10" OBS_VALUE="5604.74" BBK_DIFF="25.1" BBK_DIFF_Y="36.4"/>
      <bbk:Obs TIME_PERIOD="1996-09" OBS_VALUE="4480.284" BBK_DIFF="19.8" BBK_DIFF_Y="-6.6"/>
      <bbk:Obs TIME_PERIOD="1996-08" OBS_VALUE="3741.137" BBK_DIFF="-23.8" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="1996-07" OBS_VALUE="4908.797" BBK_DIFF="27.5" BBK_DIFF_Y="72.1"/>
      <bbk:Obs TIME_PERIOD="1996-06" OBS_VALUE="3851.441" BBK_DIFF="-16.5" BBK_DIFF_Y="1.4"/>
      <bbk:Obs TIME_PERIOD="1996-05" OBS_VALUE="4611.21" BBK_DIFF="37.8" BBK_DIFF_Y="38.6"/>
      <bbk:Obs TIME_PERIOD="1996-04" OBS_VALUE="3346.395" BBK_DIFF="-5.2" BBK_DIFF_Y="-6.9"/>
      <bbk:Obs TIME_PERIOD="1996-03" OBS_VALUE="3529.754" BBK_DIFF="-34.4" BBK_DIFF_Y="34.2"/>
      <bbk:Obs TIME_PERIOD="1996-02" OBS_VALUE="5381.149" BBK_DIFF="71.8" BBK_DIFF_Y="66.0"/>
      <bbk:Obs TIME_PERIOD="1996-01" OBS_VALUE="3132.419" BBK_DIFF="26.0" BBK_DIFF_Y="-24.5"/>
      <bbk:Obs TIME_PERIOD="1995-12" OBS_VALUE="2486.766" BBK_DIFF="-49.2" BBK_DIFF_Y="17.3"/>
      <bbk:Obs TIME_PERIOD="1995-11" OBS_VALUE="4893.433" BBK_DIFF="19.1" BBK_DIFF_Y="38.0"/>
      <bbk:Obs TIME_PERIOD="1995-10" OBS_VALUE="4110.286" BBK_DIFF="-14.3" BBK_DIFF_Y="7.5"/>
      <bbk:Obs TIME_PERIOD="1995-09" OBS_VALUE="4796.414" BBK_DIFF="34.0" BBK_DIFF_Y="45.2"/>
      <bbk:Obs TIME_PERIOD="1995-08" OBS_VALUE="3580.373" BBK_DIFF="25.5" BBK_DIFF_Y="-6.3"/>
      <bbk:Obs TIME_PERIOD="1995-07" OBS_VALUE="2852.425" BBK_DIFF="-24.9" BBK_DIFF_Y="30.1"/>
      <bbk:Obs TIME_PERIOD="1995-06" OBS_VALUE="3798.581" BBK_DIFF="14.2" BBK_DIFF_Y="-20.5"/>
      <bbk:Obs TIME_PERIOD="1995-05" OBS_VALUE="3326.274" BBK_DIFF="-7.4" BBK_DIFF_Y="14.6"/>
      <bbk:Obs TIME_PERIOD="1995-04" OBS_VALUE="3593.812" BBK_DIFF="36.6" BBK_DIFF_Y="22.5"/>
      <bbk:Obs TIME_PERIOD="1995-03" OBS_VALUE="2630.977" BBK_DIFF="-18.8" BBK_DIFF_Y="-17.7"/>
      <bbk:Obs TIME_PERIOD="1995-02" OBS_VALUE="3241.499" BBK_DIFF="-21.9" BBK_DIFF_Y="2.1"/>
      <bbk:Obs TIME_PERIOD="1995-01" OBS_VALUE="4148.449" BBK_DIFF="95.8" BBK_DIFF_Y="38.7"/>
      <bbk:Obs TIME_PERIOD="1994-12" OBS_VALUE="2119.193" BBK_DIFF="-40.2" BBK_DIFF_Y="-23.4"/>
      <bbk:Obs TIME_PERIOD="1994-11" OBS_VALUE="3545.795" BBK_DIFF="-7.2" BBK_DIFF_Y="25.4"/>
      <bbk:Obs TIME_PERIOD="1994-10" OBS_VALUE="3822.684" BBK_DIFF="15.7" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="1994-09" OBS_VALUE="3303.865" BBK_DIFF="-13.5" BBK_DIFF_Y="13.9"/>
      <bbk:Obs TIME_PERIOD="1994-08" OBS_VALUE="3820.012" BBK_DIFF="74.2" BBK_DIFF_Y="93.1"/>
      <bbk:Obs TIME_PERIOD="1994-07" OBS_VALUE="2192.44" BBK_DIFF="-54.1" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="1994-06" OBS_VALUE="4777.448" BBK_DIFF="64.5" BBK_DIFF_Y="55.9"/>
      <bbk:Obs TIME_PERIOD="1994-05" OBS_VALUE="2903.47" BBK_DIFF="-1.0" BBK_DIFF_Y="19.2"/>
      <bbk:Obs TIME_PERIOD="1994-04" OBS_VALUE="2933.386" BBK_DIFF="-8.3" BBK_DIFF_Y="28.8"/>
      <bbk:Obs TIME_PERIOD="1994-03" OBS_VALUE="3197.827" BBK_DIFF="0.7" BBK_DIFF_Y="-2.5"/>
      <bbk:Obs TIME_PERIOD="1994-02" OBS_VALUE="3174.732" BBK_DIFF="6.2" BBK_DIFF_Y="4.1"/>
      <bbk:Obs TIME_PERIOD="1994-01" OBS_VALUE="2990.761" BBK_DIFF="8.1" BBK_DIFF_Y="40.4"/>
      <bbk:Obs TIME_PERIOD="1993-12" OBS_VALUE="2767.787" BBK_DIFF="-2.1" BBK_DIFF_Y="710.4"/>
      <bbk:Obs TIME_PERIOD="1993-11" OBS_VALUE="2827.524" BBK_DIFF="-21.1" BBK_DIFF_Y="86.2"/>
      <bbk:Obs TIME_PERIOD="1993-10" OBS_VALUE="3582.477" BBK_DIFF="23.5" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="1993-09" OBS_VALUE="2901.879" BBK_DIFF="46.7" BBK_DIFF_Y="-29.0"/>
      <bbk:Obs TIME_PERIOD="1993-08" OBS_VALUE="1977.993" BBK_DIFF="-10.1" BBK_DIFF_Y="-36.7"/>
      <bbk:Obs TIME_PERIOD="1993-07" OBS_VALUE="2199.004" BBK_DIFF="-28.2" BBK_DIFF_Y="82.5"/>
      <bbk:Obs TIME_PERIOD="1993-06" OBS_VALUE="3064.413" BBK_DIFF="25.8" BBK_DIFF_Y="74.2"/>
      <bbk:Obs TIME_PERIOD="1993-05" OBS_VALUE="2436.521" BBK_DIFF="7.0" BBK_DIFF_Y="94.0"/>
      <bbk:Obs TIME_PERIOD="1993-04" OBS_VALUE="2276.889" BBK_DIFF="-30.6" BBK_DIFF_Y="87.1"/>
      <bbk:Obs TIME_PERIOD="1993-03" OBS_VALUE="3281.361" BBK_DIFF="7.6" BBK_DIFF_Y="15.0"/>
      <bbk:Obs TIME_PERIOD="1993-02" OBS_VALUE="3049.425" BBK_DIFF="43.1" BBK_DIFF_Y="55.1"/>
      <bbk:Obs TIME_PERIOD="1993-01" OBS_VALUE="2130.815" BBK_DIFF="523.9" BBK_DIFF_Y="85.3"/>
      <bbk:Obs TIME_PERIOD="1992-12" OBS_VALUE="341.515" BBK_DIFF="-77.5" BBK_DIFF_Y="-85.0"/>
      <bbk:Obs TIME_PERIOD="1992-11" OBS_VALUE="1518.272" BBK_DIFF="-53.6" BBK_DIFF_Y="-28.1"/>
      <bbk:Obs TIME_PERIOD="1992-10" OBS_VALUE="3271.15" BBK_DIFF="-19.9" BBK_DIFF_Y="59.0"/>
      <bbk:Obs TIME_PERIOD="1992-09" OBS_VALUE="4085.302" BBK_DIFF="30.8" BBK_DIFF_Y="127.4"/>
      <bbk:Obs TIME_PERIOD="1992-08" OBS_VALUE="3122.519" BBK_DIFF="159.2" BBK_DIFF_Y="20.9"/>
      <bbk:Obs TIME_PERIOD="1992-07" OBS_VALUE="1204.691" BBK_DIFF="-31.5" BBK_DIFF_Y="27.3"/>
      <bbk:Obs TIME_PERIOD="1992-06" OBS_VALUE="1758.744" BBK_DIFF="40.0" BBK_DIFF_Y="42.9"/>
      <bbk:Obs TIME_PERIOD="1992-05" OBS_VALUE="1256.17" BBK_DIFF="3.2" BBK_DIFF_Y="69.7"/>
      <bbk:Obs TIME_PERIOD="1992-04" OBS_VALUE="1216.911" BBK_DIFF="-57.3" BBK_DIFF_Y="78.1"/>
      <bbk:Obs TIME_PERIOD="1992-03" OBS_VALUE="2852.74" BBK_DIFF="45.1" BBK_DIFF_Y="32.0"/>
      <bbk:Obs TIME_PERIOD="1992-02" OBS_VALUE="1965.773" BBK_DIFF="70.9" BBK_DIFF_Y="-28.7"/>
      <bbk:Obs TIME_PERIOD="1992-01" OBS_VALUE="1150.224" BBK_DIFF="-49.4" BBK_DIFF_Y="-29.9"/>
      <bbk:Obs TIME_PERIOD="1991-12" OBS_VALUE="2272.695" BBK_DIFF="7.6" BBK_DIFF_Y="6.8"/>
      <bbk:Obs TIME_PERIOD="1991-11" OBS_VALUE="2112.692" BBK_DIFF="2.7" BBK_DIFF_Y="13.1"/>
      <bbk:Obs TIME_PERIOD="1991-10" OBS_VALUE="2056.968" BBK_DIFF="14.5" BBK_DIFF_Y="-58.4"/>
      <bbk:Obs TIME_PERIOD="1991-09" OBS_VALUE="1796.304" BBK_DIFF="-30.5" BBK_DIFF_Y="-55.7"/>
      <bbk:Obs TIME_PERIOD="1991-08" OBS_VALUE="2583.303" BBK_DIFF="173.0" BBK_DIFF_Y="-35.2"/>
      <bbk:Obs TIME_PERIOD="1991-07" OBS_VALUE="946.093" BBK_DIFF="-23.1" BBK_DIFF_Y="-78.7"/>
      <bbk:Obs TIME_PERIOD="1991-06" OBS_VALUE="1230.822" BBK_DIFF="66.3" BBK_DIFF_Y="-74.8"/>
      <bbk:Obs TIME_PERIOD="1991-05" OBS_VALUE="740.233" BBK_DIFF="8.3" BBK_DIFF_Y="-87.7"/>
      <bbk:Obs TIME_PERIOD="1991-04" OBS_VALUE="683.411" BBK_DIFF="-68.4" BBK_DIFF_Y="-84.8"/>
      <bbk:Obs TIME_PERIOD="1991-03" OBS_VALUE="2161.107" BBK_DIFF="-21.6" BBK_DIFF_Y="-68.1"/>
      <bbk:Obs TIME_PERIOD="1991-02" OBS_VALUE="2758.132" BBK_DIFF="68.0" BBK_DIFF_Y="-50.5"/>
      <bbk:Obs TIME_PERIOD="1991-01" OBS_VALUE="1641.664" BBK_DIFF="-22.9" BBK_DIFF_Y="-74.9"/>
      <bbk:Obs TIME_PERIOD="1990-12" OBS_VALUE="2128.978" BBK_DIFF="14.0" BBK_DIFF_Y="-58.7"/>
      <bbk:Obs TIME_PERIOD="1990-11" OBS_VALUE="1867.187" BBK_DIFF="-62.2" BBK_DIFF_Y="-69.9"/>
      <bbk:Obs TIME_PERIOD="1990-10" OBS_VALUE="4943.497" BBK_DIFF="21.8" BBK_DIFF_Y="-19.2"/>
      <bbk:Obs TIME_PERIOD="1990-09" OBS_VALUE="4058.105" BBK_DIFF="1.7" BBK_DIFF_Y="-41.5"/>
      <bbk:Obs TIME_PERIOD="1990-08" OBS_VALUE="3989.315" BBK_DIFF="-10.0" BBK_DIFF_Y="-33.9"/>
      <bbk:Obs TIME_PERIOD="1990-07" OBS_VALUE="4433.334" BBK_DIFF="-9.4" BBK_DIFF_Y="-17.2"/>
      <bbk:Obs TIME_PERIOD="1990-06" OBS_VALUE="4893.106" BBK_DIFF="-18.9" BBK_DIFF_Y="-30.5"/>
      <bbk:Obs TIME_PERIOD="1990-05" OBS_VALUE="6030.543" BBK_DIFF="34.0" BBK_DIFF_Y="5.6"/>
      <bbk:Obs TIME_PERIOD="1990-04" OBS_VALUE="4501.348" BBK_DIFF="-33.6" BBK_DIFF_Y="-15.1"/>
      <bbk:Obs TIME_PERIOD="1990-03" OBS_VALUE="6780.68" BBK_DIFF="21.8" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="1990-02" OBS_VALUE="5567.775" BBK_DIFF="-14.9" BBK_DIFF_Y="-6.1"/>
      <bbk:Obs TIME_PERIOD="1990-01" OBS_VALUE="6546.097" BBK_DIFF="27.0" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="1989-12" OBS_VALUE="5153.857" BBK_DIFF="-17.0" BBK_DIFF_Y="-25.5"/>
      <bbk:Obs TIME_PERIOD="1989-11" OBS_VALUE="6208.799" BBK_DIFF="1.5" BBK_DIFF_Y="-3.9"/>
      <bbk:Obs TIME_PERIOD="1989-10" OBS_VALUE="6115.068" BBK_DIFF="-11.8" BBK_DIFF_Y="5.5"/>
      <bbk:Obs TIME_PERIOD="1989-09" OBS_VALUE="6932.157" BBK_DIFF="14.9" BBK_DIFF_Y="22.2"/>
      <bbk:Obs TIME_PERIOD="1989-08" OBS_VALUE="6034.418" BBK_DIFF="12.7" BBK_DIFF_Y="25.7"/>
      <bbk:Obs TIME_PERIOD="1989-07" OBS_VALUE="5354.948" BBK_DIFF="-23.9" BBK_DIFF_Y="1.8"/>
      <bbk:Obs TIME_PERIOD="1989-06" OBS_VALUE="7040.645" BBK_DIFF="23.3" BBK_DIFF_Y="7.0"/>
      <bbk:Obs TIME_PERIOD="1989-05" OBS_VALUE="5709.559" BBK_DIFF="7.7" BBK_DIFF_Y="10.9"/>
      <bbk:Obs TIME_PERIOD="1989-04" OBS_VALUE="5299.939" BBK_DIFF="-14.4" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="1989-03" OBS_VALUE="6188.818" BBK_DIFF="4.4" BBK_DIFF_Y="17.9"/>
      <bbk:Obs TIME_PERIOD="1989-02" OBS_VALUE="5929.266" BBK_DIFF="2.7" BBK_DIFF_Y="36.7"/>
      <bbk:Obs TIME_PERIOD="1989-01" OBS_VALUE="5775.837" BBK_DIFF="-16.5" BBK_DIFF_Y="23.4"/>
      <bbk:Obs TIME_PERIOD="1988-12" OBS_VALUE="6918.838" BBK_DIFF="7.1" BBK_DIFF_Y="17.7"/>
      <bbk:Obs TIME_PERIOD="1988-11" OBS_VALUE="6459.485" BBK_DIFF="11.4" BBK_DIFF_Y="18.8"/>
      <bbk:Obs TIME_PERIOD="1988-10" OBS_VALUE="5796.703" BBK_DIFF="2.2" BBK_DIFF_Y="7.0"/>
      <bbk:Obs TIME_PERIOD="1988-09" OBS_VALUE="5672.507" BBK_DIFF="18.2" BBK_DIFF_Y="-5.7"/>
      <bbk:Obs TIME_PERIOD="1988-08" OBS_VALUE="4799.699" BBK_DIFF="-8.7" BBK_DIFF_Y="33.3"/>
      <bbk:Obs TIME_PERIOD="1988-07" OBS_VALUE="5257.939" BBK_DIFF="-20.1" BBK_DIFF_Y="7.2"/>
      <bbk:Obs TIME_PERIOD="1988-06" OBS_VALUE="6580.304" BBK_DIFF="27.8" BBK_DIFF_Y="32.1"/>
      <bbk:Obs TIME_PERIOD="1988-05" OBS_VALUE="5150.074" BBK_DIFF="-4.6" BBK_DIFF_Y="-2.2"/>
      <bbk:Obs TIME_PERIOD="1988-04" OBS_VALUE="5398.617" BBK_DIFF="2.9" BBK_DIFF_Y="15.8"/>
      <bbk:Obs TIME_PERIOD="1988-03" OBS_VALUE="5247.807" BBK_DIFF="21.0" BBK_DIFF_Y="1.9"/>
      <bbk:Obs TIME_PERIOD="1988-02" OBS_VALUE="4335.892" BBK_DIFF="-7.4" BBK_DIFF_Y="-19.6"/>
      <bbk:Obs TIME_PERIOD="1988-01" OBS_VALUE="4679.892" BBK_DIFF="-20.4" BBK_DIFF_Y="29.5"/>
      <bbk:Obs TIME_PERIOD="1987-12" OBS_VALUE="5878.3" BBK_DIFF="8.1" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="1987-11" OBS_VALUE="5438.78" BBK_DIFF="0.4" BBK_DIFF_Y="3.7"/>
      <bbk:Obs TIME_PERIOD="1987-10" OBS_VALUE="5417.248" BBK_DIFF="-10.0" BBK_DIFF_Y="0.4"/>
      <bbk:Obs TIME_PERIOD="1987-09" OBS_VALUE="6017.682" BBK_DIFF="67.1" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1987-08" OBS_VALUE="3601.411" BBK_DIFF="-26.6" BBK_DIFF_Y="-2.6"/>
      <bbk:Obs TIME_PERIOD="1987-07" OBS_VALUE="4903.954" BBK_DIFF="-1.5" BBK_DIFF_Y="-3.3"/>
      <bbk:Obs TIME_PERIOD="1987-06" OBS_VALUE="4980.231" BBK_DIFF="-5.5" BBK_DIFF_Y="9.2"/>
      <bbk:Obs TIME_PERIOD="1987-05" OBS_VALUE="5268.079" BBK_DIFF="13.0" BBK_DIFF_Y="14.1"/>
      <bbk:Obs TIME_PERIOD="1987-04" OBS_VALUE="4663.095" BBK_DIFF="-9.5" BBK_DIFF_Y="-3.9"/>
      <bbk:Obs TIME_PERIOD="1987-03" OBS_VALUE="5150.504" BBK_DIFF="-4.5" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="1987-02" OBS_VALUE="5393.763" BBK_DIFF="49.3" BBK_DIFF_Y="27.8"/>
      <bbk:Obs TIME_PERIOD="1987-01" OBS_VALUE="3613.302" BBK_DIFF="-31.7" BBK_DIFF_Y="-13.6"/>
      <bbk:Obs TIME_PERIOD="1986-12" OBS_VALUE="5286.687" BBK_DIFF="0.8" BBK_DIFF_Y="23.8"/>
      <bbk:Obs TIME_PERIOD="1986-11" OBS_VALUE="5245.78" BBK_DIFF="-2.8" BBK_DIFF_Y="33.2"/>
      <bbk:Obs TIME_PERIOD="1986-10" OBS_VALUE="5396.162" BBK_DIFF="4.6" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="1986-09" OBS_VALUE="5159.306" BBK_DIFF="39.5" BBK_DIFF_Y="11.6"/>
      <bbk:Obs TIME_PERIOD="1986-08" OBS_VALUE="3698.506" BBK_DIFF="-27.0" BBK_DIFF_Y="60.7"/>
      <bbk:Obs TIME_PERIOD="1986-07" OBS_VALUE="5069.183" BBK_DIFF="11.2" BBK_DIFF_Y="22.3"/>
      <bbk:Obs TIME_PERIOD="1986-06" OBS_VALUE="4559.023" BBK_DIFF="-1.3" BBK_DIFF_Y="42.3"/>
      <bbk:Obs TIME_PERIOD="1986-05" OBS_VALUE="4617.97" BBK_DIFF="-4.8" BBK_DIFF_Y="9.0"/>
      <bbk:Obs TIME_PERIOD="1986-04" OBS_VALUE="4850.096" BBK_DIFF="3.8" BBK_DIFF_Y="36.3"/>
      <bbk:Obs TIME_PERIOD="1986-03" OBS_VALUE="4672.99" BBK_DIFF="10.7" BBK_DIFF_Y="31.9"/>
      <bbk:Obs TIME_PERIOD="1986-02" OBS_VALUE="4220.759" BBK_DIFF="0.9" BBK_DIFF_Y="34.7"/>
      <bbk:Obs TIME_PERIOD="1986-01" OBS_VALUE="4183.437" BBK_DIFF="-2.0" BBK_DIFF_Y="64.1"/>
      <bbk:Obs TIME_PERIOD="1985-12" OBS_VALUE="4269.015" BBK_DIFF="8.4" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="1985-11" OBS_VALUE="3938.36" BBK_DIFF="-20.0" BBK_DIFF_Y="2.6"/>
      <bbk:Obs TIME_PERIOD="1985-10" OBS_VALUE="4925.962" BBK_DIFF="6.5" BBK_DIFF_Y="-5.2"/>
      <bbk:Obs TIME_PERIOD="1985-09" OBS_VALUE="4623.487" BBK_DIFF="100.9" BBK_DIFF_Y="34.1"/>
      <bbk:Obs TIME_PERIOD="1985-08" OBS_VALUE="2301.503" BBK_DIFF="-44.5" BBK_DIFF_Y="-6.5"/>
      <bbk:Obs TIME_PERIOD="1985-07" OBS_VALUE="4146.375" BBK_DIFF="29.4" BBK_DIFF_Y="80.8"/>
      <bbk:Obs TIME_PERIOD="1985-06" OBS_VALUE="3203.455" BBK_DIFF="-24.4" BBK_DIFF_Y="78.5"/>
      <bbk:Obs TIME_PERIOD="1985-05" OBS_VALUE="4235.038" BBK_DIFF="19.1" BBK_DIFF_Y="32.0"/>
      <bbk:Obs TIME_PERIOD="1985-04" OBS_VALUE="3557.356" BBK_DIFF="0.4" BBK_DIFF_Y="83.8"/>
      <bbk:Obs TIME_PERIOD="1985-03" OBS_VALUE="3542.096" BBK_DIFF="13.1" BBK_DIFF_Y="22.6"/>
      <bbk:Obs TIME_PERIOD="1985-02" OBS_VALUE="3132.304" BBK_DIFF="22.9" BBK_DIFF_Y="-1.7"/>
      <bbk:Obs TIME_PERIOD="1985-01" OBS_VALUE="2549.639" BBK_DIFF="-35.4" BBK_DIFF_Y="80.8"/>
      <bbk:Obs TIME_PERIOD="1984-12" OBS_VALUE="3949.253" BBK_DIFF="2.9" BBK_DIFF_Y="47.9"/>
      <bbk:Obs TIME_PERIOD="1984-11" OBS_VALUE="3838.288" BBK_DIFF="-26.1" BBK_DIFF_Y="97.2"/>
      <bbk:Obs TIME_PERIOD="1984-10" OBS_VALUE="5196.295" BBK_DIFF="50.7" BBK_DIFF_Y="106.8"/>
      <bbk:Obs TIME_PERIOD="1984-09" OBS_VALUE="3447.338" BBK_DIFF="40.1" BBK_DIFF_Y="37.4"/>
      <bbk:Obs TIME_PERIOD="1984-08" OBS_VALUE="2461.141" BBK_DIFF="7.3" BBK_DIFF_Y="91.2"/>
      <bbk:Obs TIME_PERIOD="1984-07" OBS_VALUE="2293.689" BBK_DIFF="27.8" BBK_DIFF_Y="123.4"/>
      <bbk:Obs TIME_PERIOD="1984-06" OBS_VALUE="1794.235" BBK_DIFF="-44.1" BBK_DIFF_Y="-9.7"/>
      <bbk:Obs TIME_PERIOD="1984-05" OBS_VALUE="3207.688" BBK_DIFF="65.7" BBK_DIFF_Y="73.8"/>
      <bbk:Obs TIME_PERIOD="1984-04" OBS_VALUE="1935.29" BBK_DIFF="-33.0" BBK_DIFF_Y="45.8"/>
      <bbk:Obs TIME_PERIOD="1984-03" OBS_VALUE="2888.794" BBK_DIFF="-9.4" BBK_DIFF_Y="1.7"/>
      <bbk:Obs TIME_PERIOD="1984-02" OBS_VALUE="3186.976" BBK_DIFF="125.9" BBK_DIFF_Y="77.0"/>
      <bbk:Obs TIME_PERIOD="1984-01" OBS_VALUE="1410.575" BBK_DIFF="-47.2" BBK_DIFF_Y="-19.6"/>
      <bbk:Obs TIME_PERIOD="1983-12" OBS_VALUE="2670.428" BBK_DIFF="37.2" BBK_DIFF_Y="-25.6"/>
      <bbk:Obs TIME_PERIOD="1983-11" OBS_VALUE="1946.515" BBK_DIFF="-22.5" BBK_DIFF_Y="-24.7"/>
      <bbk:Obs TIME_PERIOD="1983-10" OBS_VALUE="2512.276" BBK_DIFF="0.1" BBK_DIFF_Y="-16.8"/>
      <bbk:Obs TIME_PERIOD="1983-09" OBS_VALUE="2508.911" BBK_DIFF="94.9" BBK_DIFF_Y="-9.5"/>
      <bbk:Obs TIME_PERIOD="1983-08" OBS_VALUE="1287.077" BBK_DIFF="25.4" BBK_DIFF_Y="-26.3"/>
      <bbk:Obs TIME_PERIOD="1983-07" OBS_VALUE="1026.728" BBK_DIFF="-48.3" BBK_DIFF_Y="-50.3"/>
      <bbk:Obs TIME_PERIOD="1983-06" OBS_VALUE="1987.443" BBK_DIFF="7.7" BBK_DIFF_Y="-34.6"/>
      <bbk:Obs TIME_PERIOD="1983-05" OBS_VALUE="1845.623" BBK_DIFF="39.1" BBK_DIFF_Y="-27.3"/>
      <bbk:Obs TIME_PERIOD="1983-04" OBS_VALUE="1327.296" BBK_DIFF="-53.3" BBK_DIFF_Y="-22.9"/>
      <bbk:Obs TIME_PERIOD="1983-03" OBS_VALUE="2840.264" BBK_DIFF="57.8" BBK_DIFF_Y="20.5"/>
      <bbk:Obs TIME_PERIOD="1983-02" OBS_VALUE="1800.461" BBK_DIFF="2.6" BBK_DIFF_Y="-21.0"/>
      <bbk:Obs TIME_PERIOD="1983-01" OBS_VALUE="1755.185" BBK_DIFF="-51.1" BBK_DIFF_Y="73.4"/>
      <bbk:Obs TIME_PERIOD="1982-12" OBS_VALUE="3587.452" BBK_DIFF="38.8" BBK_DIFF_Y="50.2"/>
      <bbk:Obs TIME_PERIOD="1982-11" OBS_VALUE="2583.913" BBK_DIFF="-14.4" BBK_DIFF_Y="31.9"/>
      <bbk:Obs TIME_PERIOD="1982-10" OBS_VALUE="3018.428" BBK_DIFF="8.9" BBK_DIFF_Y="24.9"/>
      <bbk:Obs TIME_PERIOD="1982-09" OBS_VALUE="2772.737" BBK_DIFF="58.8" BBK_DIFF_Y="45.4"/>
      <bbk:Obs TIME_PERIOD="1982-08" OBS_VALUE="1745.968" BBK_DIFF="-15.4" BBK_DIFF_Y="91.0"/>
      <bbk:Obs TIME_PERIOD="1982-07" OBS_VALUE="2064.956" BBK_DIFF="-32.1" BBK_DIFF_Y="26.4"/>
      <bbk:Obs TIME_PERIOD="1982-06" OBS_VALUE="3041.118" BBK_DIFF="19.8" BBK_DIFF_Y="269.4"/>
      <bbk:Obs TIME_PERIOD="1982-05" OBS_VALUE="2538.515" BBK_DIFF="47.4" BBK_DIFF_Y="246.2"/>
      <bbk:Obs TIME_PERIOD="1982-04" OBS_VALUE="1721.962" BBK_DIFF="-26.9" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="1982-03" OBS_VALUE="2356.418" BBK_DIFF="3.4" BBK_DIFF_Y="246.1"/>
      <bbk:Obs TIME_PERIOD="1982-02" OBS_VALUE="2277.936" BBK_DIFF="125.0" BBK_DIFF_Y="49.4"/>
      <bbk:Obs TIME_PERIOD="1982-01" OBS_VALUE="1012.49" BBK_DIFF="-57.6" BBK_DIFF_Y="301.8"/>
      <bbk:Obs TIME_PERIOD="1981-12" OBS_VALUE="2388.161" BBK_DIFF="21.9" BBK_DIFF_Y="183.7"/>
      <bbk:Obs TIME_PERIOD="1981-11" OBS_VALUE="1958.429" BBK_DIFF="-19.0" BBK_DIFF_Y="221.8"/>
      <bbk:Obs TIME_PERIOD="1981-10" OBS_VALUE="2417.499" BBK_DIFF="26.7" BBK_DIFF_Y="98.9"/>
      <bbk:Obs TIME_PERIOD="1981-09" OBS_VALUE="1907.465" BBK_DIFF="108.7" BBK_DIFF_Y="36.8"/>
      <bbk:Obs TIME_PERIOD="1981-08" OBS_VALUE="913.987" BBK_DIFF="-44.0" BBK_DIFF_Y="77.4"/>
      <bbk:Obs TIME_PERIOD="1981-07" OBS_VALUE="1633.49" BBK_DIFF="98.4" BBK_DIFF_Y="111.8"/>
      <bbk:Obs TIME_PERIOD="1981-06" OBS_VALUE="823.336" BBK_DIFF="12.3" BBK_DIFF_Y="1.1"/>
      <bbk:Obs TIME_PERIOD="1981-05" OBS_VALUE="733.308" BBK_DIFF="-54.8" BBK_DIFF_Y="-8.1"/>
      <bbk:Obs TIME_PERIOD="1981-04" OBS_VALUE="1621.218" BBK_DIFF="138.1" BBK_DIFF_Y="46.2"/>
      <bbk:Obs TIME_PERIOD="1981-03" OBS_VALUE="680.889" BBK_DIFF="-55.4" BBK_DIFF_Y="-57.4"/>
      <bbk:Obs TIME_PERIOD="1981-02" OBS_VALUE="1524.986" BBK_DIFF="403.9" BBK_DIFF_Y="36.3"/>
      <bbk:Obs TIME_PERIOD="1981-01" OBS_VALUE="-501.772" BBK_DIFF="-159.6" BBK_DIFF_Y="-137.4"/>
      <bbk:Obs TIME_PERIOD="1980-12" OBS_VALUE="841.93" BBK_DIFF="38.3" BBK_DIFF_Y="-39.7"/>
      <bbk:Obs TIME_PERIOD="1980-11" OBS_VALUE="608.573" BBK_DIFF="-49.9" BBK_DIFF_Y="-49.9"/>
      <bbk:Obs TIME_PERIOD="1980-10" OBS_VALUE="1215.191" BBK_DIFF="-12.9" BBK_DIFF_Y="-26.4"/>
      <bbk:Obs TIME_PERIOD="1980-09" OBS_VALUE="1394.535" BBK_DIFF="170.6" BBK_DIFF_Y="-13.4"/>
      <bbk:Obs TIME_PERIOD="1980-08" OBS_VALUE="515.354" BBK_DIFF="-33.2" BBK_DIFF_Y="-43.1"/>
      <bbk:Obs TIME_PERIOD="1980-07" OBS_VALUE="771.207" BBK_DIFF="-5.3" BBK_DIFF_Y="-29.2"/>
      <bbk:Obs TIME_PERIOD="1980-06" OBS_VALUE="814.64" BBK_DIFF="2.1" BBK_DIFF_Y="-44.2"/>
      <bbk:Obs TIME_PERIOD="1980-05" OBS_VALUE="797.773" BBK_DIFF="-28.0" BBK_DIFF_Y="-39.9"/>
      <bbk:Obs TIME_PERIOD="1980-04" OBS_VALUE="1108.769" BBK_DIFF="-30.6" BBK_DIFF_Y="-32.8"/>
      <bbk:Obs TIME_PERIOD="1980-03" OBS_VALUE="1598.533" BBK_DIFF="42.9" BBK_DIFF_Y="-14.4"/>
      <bbk:Obs TIME_PERIOD="1980-02" OBS_VALUE="1118.939" BBK_DIFF="-16.7" BBK_DIFF_Y="-17.1"/>
      <bbk:Obs TIME_PERIOD="1980-01" OBS_VALUE="1343.336" BBK_DIFF="-3.7" BBK_DIFF_Y="66.5"/>
      <bbk:Obs TIME_PERIOD="1979-12" OBS_VALUE="1395.468" BBK_DIFF="14.8" BBK_DIFF_Y="-25.1"/>
      <bbk:Obs TIME_PERIOD="1979-11" OBS_VALUE="1215.479" BBK_DIFF="-26.3" BBK_DIFF_Y="-34.5"/>
      <bbk:Obs TIME_PERIOD="1979-10" OBS_VALUE="1650.183" BBK_DIFF="2.5" BBK_DIFF_Y="-22.2"/>
      <bbk:Obs TIME_PERIOD="1979-09" OBS_VALUE="1610.189" BBK_DIFF="77.7" BBK_DIFF_Y="-12.7"/>
      <bbk:Obs TIME_PERIOD="1979-08" OBS_VALUE="906.274" BBK_DIFF="-16.8" BBK_DIFF_Y="-38.5"/>
      <bbk:Obs TIME_PERIOD="1979-07" OBS_VALUE="1089.255" BBK_DIFF="-25.4" BBK_DIFF_Y="31.3"/>
      <bbk:Obs TIME_PERIOD="1979-06" OBS_VALUE="1459.618" BBK_DIFF="9.9" BBK_DIFF_Y="-5.5"/>
      <bbk:Obs TIME_PERIOD="1979-05" OBS_VALUE="1328.188" BBK_DIFF="-19.6" BBK_DIFF_Y="-12.7"/>
      <bbk:Obs TIME_PERIOD="1979-04" OBS_VALUE="1651.114" BBK_DIFF="-11.5" BBK_DIFF_Y="60.9"/>
      <bbk:Obs TIME_PERIOD="1979-03" OBS_VALUE="1866.472" BBK_DIFF="38.3" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="1979-02" OBS_VALUE="1349.318" BBK_DIFF="67.3" BBK_DIFF_Y="27.1"/>
      <bbk:Obs TIME_PERIOD="1979-01" OBS_VALUE="806.668" BBK_DIFF="-56.7" BBK_DIFF_Y="-20.8"/>
      <bbk:Obs TIME_PERIOD="1978-12" OBS_VALUE="1863.11" BBK_DIFF="0.5" BBK_DIFF_Y="-3.5"/>
      <bbk:Obs TIME_PERIOD="1978-11" OBS_VALUE="1854.321" BBK_DIFF="-12.5" BBK_DIFF_Y="54.1"/>
      <bbk:Obs TIME_PERIOD="1978-10" OBS_VALUE="2120.313" BBK_DIFF="15.0" BBK_DIFF_Y="-4.6"/>
      <bbk:Obs TIME_PERIOD="1978-09" OBS_VALUE="1844.2" BBK_DIFF="25.2" BBK_DIFF_Y="20.7"/>
      <bbk:Obs TIME_PERIOD="1978-08" OBS_VALUE="1473.32" BBK_DIFF="77.6" BBK_DIFF_Y="18.3"/>
      <bbk:Obs TIME_PERIOD="1978-07" OBS_VALUE="829.396" BBK_DIFF="-46.3" BBK_DIFF_Y="-42.0"/>
      <bbk:Obs TIME_PERIOD="1978-06" OBS_VALUE="1544.784" BBK_DIFF="1.6" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="1978-05" OBS_VALUE="1520.552" BBK_DIFF="48.2" BBK_DIFF_Y="-8.0"/>
      <bbk:Obs TIME_PERIOD="1978-04" OBS_VALUE="1026.051" BBK_DIFF="-49.0" BBK_DIFF_Y="-27.6"/>
      <bbk:Obs TIME_PERIOD="1978-03" OBS_VALUE="2012.007" BBK_DIFF="89.5" BBK_DIFF_Y="5.6"/>
      <bbk:Obs TIME_PERIOD="1978-02" OBS_VALUE="1062.017" BBK_DIFF="4.2" BBK_DIFF_Y="-26.2"/>
      <bbk:Obs TIME_PERIOD="1978-01" OBS_VALUE="1018.825" BBK_DIFF="-47.2" BBK_DIFF_Y="-16.3"/>
      <bbk:Obs TIME_PERIOD="1977-12" OBS_VALUE="1930.016" BBK_DIFF="60.4" BBK_DIFF_Y="39.3"/>
      <bbk:Obs TIME_PERIOD="1977-11" OBS_VALUE="1203.256" BBK_DIFF="-45.8" BBK_DIFF_Y="-21.5"/>
      <bbk:Obs TIME_PERIOD="1977-10" OBS_VALUE="2221.498" BBK_DIFF="45.4" BBK_DIFF_Y="16.8"/>
      <bbk:Obs TIME_PERIOD="1977-09" OBS_VALUE="1527.906" BBK_DIFF="22.7" BBK_DIFF_Y="-19.7"/>
      <bbk:Obs TIME_PERIOD="1977-08" OBS_VALUE="1245.33" BBK_DIFF="-12.9" BBK_DIFF_Y="28.3"/>
      <bbk:Obs TIME_PERIOD="1977-07" OBS_VALUE="1429.175" BBK_DIFF="2.0" BBK_DIFF_Y="21.2"/>
      <bbk:Obs TIME_PERIOD="1977-06" OBS_VALUE="1400.502" BBK_DIFF="-15.2" BBK_DIFF_Y="36.8"/>
      <bbk:Obs TIME_PERIOD="1977-05" OBS_VALUE="1652.248" BBK_DIFF="16.6" BBK_DIFF_Y="-11.1"/>
      <bbk:Obs TIME_PERIOD="1977-04" OBS_VALUE="1417.068" BBK_DIFF="-25.6" BBK_DIFF_Y="11.7"/>
      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="1905.912" BBK_DIFF="32.4" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="1977-02" OBS_VALUE="1439.562" BBK_DIFF="18.3" BBK_DIFF_Y="-6.5"/>
      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="1217.027" BBK_DIFF="-12.2" BBK_DIFF_Y="21.8"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="1385.702" BBK_DIFF="-9.6" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="1532.928" BBK_DIFF="-19.4" BBK_DIFF_Y="-2.2"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="1901.576" BBK_DIFF="0.0" BBK_DIFF_Y="39.6"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="1901.692" BBK_DIFF="96.0" BBK_DIFF_Y="40.0"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="970.322" BBK_DIFF="-17.7" BBK_DIFF_Y="16.3"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="1179.484" BBK_DIFF="15.2" BBK_DIFF_Y="6.0"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="1024.017" BBK_DIFF="-44.9" BBK_DIFF_Y="-20.4"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="1857.944" BBK_DIFF="46.5" BBK_DIFF_Y="59.2"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="1268.14" BBK_DIFF="-25.4" BBK_DIFF_Y="21.7"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="1700.961" BBK_DIFF="10.4" BBK_DIFF_Y="29.5"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="1540.191" BBK_DIFF="54.1" BBK_DIFF_Y="13.8"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="999.473" BBK_DIFF="-20.5" BBK_DIFF_Y="-46.7"/>
      <bbk:Obs TIME_PERIOD="1975-12" OBS_VALUE="1257.503" BBK_DIFF="-19.8" BBK_DIFF_Y="-34.5"/>
      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="1567.936" BBK_DIFF="15.1" BBK_DIFF_Y="-25.9"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="1361.889" BBK_DIFF="0.3" BBK_DIFF_Y="-41.3"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="1358.169" BBK_DIFF="62.8" BBK_DIFF_Y="-36.6"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="834.205" BBK_DIFF="-25.1" BBK_DIFF_Y="-55.6"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="1113.235" BBK_DIFF="-13.5" BBK_DIFF_Y="-56.2"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="1286.921" BBK_DIFF="10.3" BBK_DIFF_Y="-27.1"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="1166.786" BBK_DIFF="12.0" BBK_DIFF_Y="-56.1"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="1041.891" BBK_DIFF="-20.7" BBK_DIFF_Y="-58.3"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="1313.775" BBK_DIFF="-2.9" BBK_DIFF_Y="-52.1"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="1353.279" BBK_DIFF="-27.8" BBK_DIFF_Y="-52.3"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="1873.617" BBK_DIFF="-2.3" BBK_DIFF_Y="-12.5"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="1918.419" BBK_DIFF="-9.3" BBK_DIFF_Y="34.2"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="2114.675" BBK_DIFF="-8.9" BBK_DIFF_Y="21.9"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="2319.997" BBK_DIFF="8.3" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="2143.103" BBK_DIFF="14.2" BBK_DIFF_Y="14.6"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="1877.411" BBK_DIFF="-26.2" BBK_DIFF_Y="4.3"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="2542.299" BBK_DIFF="44.0" BBK_DIFF_Y="75.8"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="1765.93" BBK_DIFF="-33.5" BBK_DIFF_Y="95.3"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="2656.527" BBK_DIFF="6.3" BBK_DIFF_Y="82.4"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="2498.679" BBK_DIFF="-9.0" BBK_DIFF_Y="57.1"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="2745.479" BBK_DIFF="-3.2" BBK_DIFF_Y="116.9"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="2837.698" BBK_DIFF="32.5" BBK_DIFF_Y="143.9"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="2141.467" BBK_DIFF="49.9" BBK_DIFF_Y="127.1"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="1429.013" BBK_DIFF="-17.6" BBK_DIFF_Y="1.2"/>
      <bbk:Obs TIME_PERIOD="1973-11" OBS_VALUE="1734.392" BBK_DIFF="-16.9" BBK_DIFF_Y="64.8"/>
      <bbk:Obs TIME_PERIOD="1973-10" OBS_VALUE="2086.408" BBK_DIFF="11.6" BBK_DIFF_Y="39.0"/>
      <bbk:Obs TIME_PERIOD="1973-09" OBS_VALUE="1870.308" BBK_DIFF="3.9" BBK_DIFF_Y="99.9"/>
      <bbk:Obs TIME_PERIOD="1973-08" OBS_VALUE="1800.114" BBK_DIFF="24.4" BBK_DIFF_Y="90.7"/>
      <bbk:Obs TIME_PERIOD="1973-07" OBS_VALUE="1446.494" BBK_DIFF="59.9" BBK_DIFF_Y="76.3"/>
      <bbk:Obs TIME_PERIOD="1973-06" OBS_VALUE="904.345" BBK_DIFF="-37.9" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="1973-05" OBS_VALUE="1456.81" BBK_DIFF="-8.4" BBK_DIFF_Y="105.3"/>
      <bbk:Obs TIME_PERIOD="1973-04" OBS_VALUE="1590.531" BBK_DIFF="25.7" BBK_DIFF_Y="109.5"/>
      <bbk:Obs TIME_PERIOD="1973-03" OBS_VALUE="1265.695" BBK_DIFF="8.8" BBK_DIFF_Y="38.7"/>
      <bbk:Obs TIME_PERIOD="1973-02" OBS_VALUE="1163.324" BBK_DIFF="23.4" BBK_DIFF_Y="18.3"/>
      <bbk:Obs TIME_PERIOD="1973-01" OBS_VALUE="943.057" BBK_DIFF="-33.2" BBK_DIFF_Y="24.0"/>
      <bbk:Obs TIME_PERIOD="1972-12" OBS_VALUE="1412.68" BBK_DIFF="34.3" BBK_DIFF_Y="66.6"/>
      <bbk:Obs TIME_PERIOD="1972-11" OBS_VALUE="1052.125" BBK_DIFF="-29.9" BBK_DIFF_Y="58.9"/>
      <bbk:Obs TIME_PERIOD="1972-10" OBS_VALUE="1501.539" BBK_DIFF="60.5" BBK_DIFF_Y="50.5"/>
      <bbk:Obs TIME_PERIOD="1972-09" OBS_VALUE="935.517" BBK_DIFF="-0.9" BBK_DIFF_Y="-6.8"/>
      <bbk:Obs TIME_PERIOD="1972-08" OBS_VALUE="944.019" BBK_DIFF="15.0" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="1972-07" OBS_VALUE="820.7" BBK_DIFF="1.7" BBK_DIFF_Y="-13.3"/>
      <bbk:Obs TIME_PERIOD="1972-06" OBS_VALUE="807.206" BBK_DIFF="13.7" BBK_DIFF_Y="31.1"/>
      <bbk:Obs TIME_PERIOD="1972-05" OBS_VALUE="709.711" BBK_DIFF="-6.5" BBK_DIFF_Y="-7.0"/>
      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="759.353" BBK_DIFF="-16.8" BBK_DIFF_Y="-0.7"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="912.376" BBK_DIFF="-7.3" BBK_DIFF_Y="-10.8"/>
      <bbk:Obs TIME_PERIOD="1972-02" OBS_VALUE="983.716" BBK_DIFF="29.3" BBK_DIFF_Y="48.6"/>
      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="760.537" BBK_DIFF="-10.3" BBK_DIFF_Y="14.1"/>
      <bbk:Obs TIME_PERIOD="1971-12" OBS_VALUE="848.2" BBK_DIFF="28.1"/>
      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="662.215" BBK_DIFF="-33.6"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="997.495" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="1004.121" BBK_DIFF="9.6"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="915.788" BBK_DIFF="-3.3"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="946.896" BBK_DIFF="53.8"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="615.844" BBK_DIFF="-19.3"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="763.375" BBK_DIFF="-0.2"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="764.967" BBK_DIFF="-25.2"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="1022.882" BBK_DIFF="54.5"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="662.144" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="666.691"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
