<?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_R2_S1_S1_T_C_G__Z__Z__Z_EUR__T__X_N_ALL</ID>
    <Test>false</Test>
    <Truncated>false</Truncated>
    <Prepared>2026-05-01T13:04:40</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.R2.S1.S1.T.C.G._Z._Z._Z.EUR._T._X.N.ALL" DECIMALS="3" UNIT="Euro" UNIT_MULT="6" BBK_TITLE="Leistungsbilanz / Warenhandel / Einnahmen / EFTA (Europäische Freihandelszone)" BBK_TITLE_ENG="Current account / Goods / Receipts / EFTA (European Free Trade Association)">
      <bbk:Obs TIME_PERIOD="2026-02" OBS_VALUE="6981.555" BBK_DIFF="11.0" BBK_DIFF_Y="9.4"/>
      <bbk:Obs TIME_PERIOD="2026-01" OBS_VALUE="6288.445" BBK_DIFF="26.4" BBK_DIFF_Y="-3.8"/>
      <bbk:Obs TIME_PERIOD="2025-12" OBS_VALUE="4976.859" BBK_DIFF="-23.1" BBK_DIFF_Y="1.3"/>
      <bbk:Obs TIME_PERIOD="2025-11" OBS_VALUE="6470.051" BBK_DIFF="-7.2" BBK_DIFF_Y="2.7"/>
      <bbk:Obs TIME_PERIOD="2025-10" OBS_VALUE="6971.276" BBK_DIFF="11.7" BBK_DIFF_Y="17.3"/>
      <bbk:Obs TIME_PERIOD="2025-09" OBS_VALUE="6238.876" BBK_DIFF="9.5" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="2025-08" OBS_VALUE="5698.049" BBK_DIFF="-9.9" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="2025-07" OBS_VALUE="6323.913" BBK_DIFF="4.6" BBK_DIFF_Y="15.0"/>
      <bbk:Obs TIME_PERIOD="2025-06" OBS_VALUE="6047.768" BBK_DIFF="-5.7" BBK_DIFF_Y="3.7"/>
      <bbk:Obs TIME_PERIOD="2025-05" OBS_VALUE="6412.77" BBK_DIFF="-4.9" BBK_DIFF_Y="11.3"/>
      <bbk:Obs TIME_PERIOD="2025-04" OBS_VALUE="6746.139" BBK_DIFF="6.7" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="2025-03" OBS_VALUE="6323.228" BBK_DIFF="-0.9" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="2025-02" OBS_VALUE="6379.026" BBK_DIFF="-2.4" BBK_DIFF_Y="6.6"/>
      <bbk:Obs TIME_PERIOD="2025-01" OBS_VALUE="6535.771" BBK_DIFF="33.1" BBK_DIFF_Y="9.9"/>
      <bbk:Obs TIME_PERIOD="2024-12" OBS_VALUE="4911.038" BBK_DIFF="-22.1" BBK_DIFF_Y="0.9"/>
      <bbk:Obs TIME_PERIOD="2024-11" OBS_VALUE="6300.628" BBK_DIFF="6.0" BBK_DIFF_Y="-2.9"/>
      <bbk:Obs TIME_PERIOD="2024-10" OBS_VALUE="5943.529" BBK_DIFF="5.5" BBK_DIFF_Y="-4.1"/>
      <bbk:Obs TIME_PERIOD="2024-09" OBS_VALUE="5633.408" BBK_DIFF="5.5" BBK_DIFF_Y="-11.1"/>
      <bbk:Obs TIME_PERIOD="2024-08" OBS_VALUE="5339.859" BBK_DIFF="-2.9" BBK_DIFF_Y="-10.3"/>
      <bbk:Obs TIME_PERIOD="2024-07" OBS_VALUE="5499.376" BBK_DIFF="-5.7" BBK_DIFF_Y="-4.6"/>
      <bbk:Obs TIME_PERIOD="2024-06" OBS_VALUE="5833.344" BBK_DIFF="1.2" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2024-05" OBS_VALUE="5762.36" BBK_DIFF="-8.9" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="2024-04" OBS_VALUE="6321.884" BBK_DIFF="6.1" BBK_DIFF_Y="13.0"/>
      <bbk:Obs TIME_PERIOD="2024-03" OBS_VALUE="5955.936" BBK_DIFF="-0.4" BBK_DIFF_Y="-17.5"/>
      <bbk:Obs TIME_PERIOD="2024-02" OBS_VALUE="5981.755" BBK_DIFF="0.6" BBK_DIFF_Y="-5.5"/>
      <bbk:Obs TIME_PERIOD="2024-01" OBS_VALUE="5948.285" BBK_DIFF="22.2" BBK_DIFF_Y="-5.0"/>
      <bbk:Obs TIME_PERIOD="2023-12" OBS_VALUE="4868.772" BBK_DIFF="-24.9" BBK_DIFF_Y="-22.3"/>
      <bbk:Obs TIME_PERIOD="2023-11" OBS_VALUE="6486.917" BBK_DIFF="4.6" BBK_DIFF_Y="-12.5"/>
      <bbk:Obs TIME_PERIOD="2023-10" OBS_VALUE="6198.919" BBK_DIFF="-2.2" BBK_DIFF_Y="-5.4"/>
      <bbk:Obs TIME_PERIOD="2023-09" OBS_VALUE="6335.563" BBK_DIFF="6.4" BBK_DIFF_Y="-13.7"/>
      <bbk:Obs TIME_PERIOD="2023-08" OBS_VALUE="5952.683" BBK_DIFF="3.2" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2023-07" OBS_VALUE="5766.157" BBK_DIFF="-11.6" BBK_DIFF_Y="-12.0"/>
      <bbk:Obs TIME_PERIOD="2023-06" OBS_VALUE="6524.004" BBK_DIFF="6.0" BBK_DIFF_Y="1.8"/>
      <bbk:Obs TIME_PERIOD="2023-05" OBS_VALUE="6156.952" BBK_DIFF="10.0" BBK_DIFF_Y="-9.1"/>
      <bbk:Obs TIME_PERIOD="2023-04" OBS_VALUE="5595.645" BBK_DIFF="-22.5" BBK_DIFF_Y="-12.9"/>
      <bbk:Obs TIME_PERIOD="2023-03" OBS_VALUE="7218.329" BBK_DIFF="14.0" BBK_DIFF_Y="1.5"/>
      <bbk:Obs TIME_PERIOD="2023-02" OBS_VALUE="6329.833" BBK_DIFF="1.1" BBK_DIFF_Y="4.1"/>
      <bbk:Obs TIME_PERIOD="2023-01" OBS_VALUE="6258.329" BBK_DIFF="-0.2" BBK_DIFF_Y="12.1"/>
      <bbk:Obs TIME_PERIOD="2022-12" OBS_VALUE="6268.268" BBK_DIFF="-15.5" BBK_DIFF_Y="15.1"/>
      <bbk:Obs TIME_PERIOD="2022-11" OBS_VALUE="7414.821" BBK_DIFF="13.1" BBK_DIFF_Y="7.6"/>
      <bbk:Obs TIME_PERIOD="2022-10" OBS_VALUE="6555.993" BBK_DIFF="-10.7" BBK_DIFF_Y="7.2"/>
      <bbk:Obs TIME_PERIOD="2022-09" OBS_VALUE="7342.586" BBK_DIFF="11.5" BBK_DIFF_Y="22.3"/>
      <bbk:Obs TIME_PERIOD="2022-08" OBS_VALUE="6586.296" BBK_DIFF="0.5" BBK_DIFF_Y="16.2"/>
      <bbk:Obs TIME_PERIOD="2022-07" OBS_VALUE="6550.643" BBK_DIFF="2.2" BBK_DIFF_Y="13.7"/>
      <bbk:Obs TIME_PERIOD="2022-06" OBS_VALUE="6407.939" BBK_DIFF="-5.4" BBK_DIFF_Y="9.8"/>
      <bbk:Obs TIME_PERIOD="2022-05" OBS_VALUE="6773.336" BBK_DIFF="5.4" BBK_DIFF_Y="21.3"/>
      <bbk:Obs TIME_PERIOD="2022-04" OBS_VALUE="6424.665" BBK_DIFF="-9.7" BBK_DIFF_Y="12.9"/>
      <bbk:Obs TIME_PERIOD="2022-03" OBS_VALUE="7114.202" BBK_DIFF="17.0" BBK_DIFF_Y="10.1"/>
      <bbk:Obs TIME_PERIOD="2022-02" OBS_VALUE="6080.199" BBK_DIFF="8.9" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="2022-01" OBS_VALUE="5582.222" BBK_DIFF="2.5" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="2021-12" OBS_VALUE="5443.723" BBK_DIFF="-21.0" BBK_DIFF_Y="27.6"/>
      <bbk:Obs TIME_PERIOD="2021-11" OBS_VALUE="6892.057" BBK_DIFF="12.7" BBK_DIFF_Y="23.5"/>
      <bbk:Obs TIME_PERIOD="2021-10" OBS_VALUE="6115.55" BBK_DIFF="1.9" BBK_DIFF_Y="13.5"/>
      <bbk:Obs TIME_PERIOD="2021-09" OBS_VALUE="6004.432" BBK_DIFF="5.9" BBK_DIFF_Y="12.4"/>
      <bbk:Obs TIME_PERIOD="2021-08" OBS_VALUE="5667.488" BBK_DIFF="-1.7" BBK_DIFF_Y="16.7"/>
      <bbk:Obs TIME_PERIOD="2021-07" OBS_VALUE="5763.826" BBK_DIFF="-1.3" BBK_DIFF_Y="13.6"/>
      <bbk:Obs TIME_PERIOD="2021-06" OBS_VALUE="5837.699" BBK_DIFF="4.6" BBK_DIFF_Y="10.1"/>
      <bbk:Obs TIME_PERIOD="2021-05" OBS_VALUE="5582.173" BBK_DIFF="-1.9" BBK_DIFF_Y="22.9"/>
      <bbk:Obs TIME_PERIOD="2021-04" OBS_VALUE="5690.188" BBK_DIFF="-12.0" BBK_DIFF_Y="34.4"/>
      <bbk:Obs TIME_PERIOD="2021-03" OBS_VALUE="6463.115" BBK_DIFF="20.5" BBK_DIFF_Y="14.7"/>
      <bbk:Obs TIME_PERIOD="2021-02" OBS_VALUE="5364.672" BBK_DIFF="5.2" BBK_DIFF_Y="-5.9"/>
      <bbk:Obs TIME_PERIOD="2021-01" OBS_VALUE="5098.723" BBK_DIFF="19.5" BBK_DIFF_Y="-2.4"/>
      <bbk:Obs TIME_PERIOD="2020-12" OBS_VALUE="4266.797" BBK_DIFF="-23.5" BBK_DIFF_Y="-11.2"/>
      <bbk:Obs TIME_PERIOD="2020-11" OBS_VALUE="5579.229" BBK_DIFF="3.6" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2020-10" OBS_VALUE="5386.72" BBK_DIFF="0.8" BBK_DIFF_Y="-2.0"/>
      <bbk:Obs TIME_PERIOD="2020-09" OBS_VALUE="5343.961" BBK_DIFF="10.0" BBK_DIFF_Y="1.0"/>
      <bbk:Obs TIME_PERIOD="2020-08" OBS_VALUE="4858.104" BBK_DIFF="-4.2" BBK_DIFF_Y="2.8"/>
      <bbk:Obs TIME_PERIOD="2020-07" OBS_VALUE="5072.632" BBK_DIFF="-4.3" BBK_DIFF_Y="9.1"/>
      <bbk:Obs TIME_PERIOD="2020-06" OBS_VALUE="5299.94" BBK_DIFF="16.7" BBK_DIFF_Y="20.9"/>
      <bbk:Obs TIME_PERIOD="2020-05" OBS_VALUE="4543.25" BBK_DIFF="7.3" BBK_DIFF_Y="-8.6"/>
      <bbk:Obs TIME_PERIOD="2020-04" OBS_VALUE="4234.253" BBK_DIFF="-24.9" BBK_DIFF_Y="-15.0"/>
      <bbk:Obs TIME_PERIOD="2020-03" OBS_VALUE="5636.926" BBK_DIFF="-1.1" BBK_DIFF_Y="13.7"/>
      <bbk:Obs TIME_PERIOD="2020-02" OBS_VALUE="5698.125" BBK_DIFF="9.1" BBK_DIFF_Y="17.0"/>
      <bbk:Obs TIME_PERIOD="2020-01" OBS_VALUE="5222.693" BBK_DIFF="8.6" BBK_DIFF_Y="5.1"/>
      <bbk:Obs TIME_PERIOD="2019-12" OBS_VALUE="4807.605" BBK_DIFF="-10.0" BBK_DIFF_Y="20.7"/>
      <bbk:Obs TIME_PERIOD="2019-11" OBS_VALUE="5341.049" BBK_DIFF="-2.8" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="2019-10" OBS_VALUE="5496.201" BBK_DIFF="3.9" BBK_DIFF_Y="3.8"/>
      <bbk:Obs TIME_PERIOD="2019-09" OBS_VALUE="5290.483" BBK_DIFF="11.9" BBK_DIFF_Y="10.9"/>
      <bbk:Obs TIME_PERIOD="2019-08" OBS_VALUE="4727.831" BBK_DIFF="1.7" BBK_DIFF_Y="2.5"/>
      <bbk:Obs TIME_PERIOD="2019-07" OBS_VALUE="4647.713" BBK_DIFF="6.1" BBK_DIFF_Y="2.2"/>
      <bbk:Obs TIME_PERIOD="2019-06" OBS_VALUE="4381.988" BBK_DIFF="-11.8" BBK_DIFF_Y="-16.5"/>
      <bbk:Obs TIME_PERIOD="2019-05" OBS_VALUE="4968.249" BBK_DIFF="-0.2" BBK_DIFF_Y="4.0"/>
      <bbk:Obs TIME_PERIOD="2019-04" OBS_VALUE="4979.951" BBK_DIFF="0.5" BBK_DIFF_Y="2.6"/>
      <bbk:Obs TIME_PERIOD="2019-03" OBS_VALUE="4957.59" BBK_DIFF="1.8" BBK_DIFF_Y="0.2"/>
      <bbk:Obs TIME_PERIOD="2019-02" OBS_VALUE="4871.64" BBK_DIFF="-1.9" BBK_DIFF_Y="3.6"/>
      <bbk:Obs TIME_PERIOD="2019-01" OBS_VALUE="4968.131" BBK_DIFF="24.8" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="2018-12" OBS_VALUE="3981.509" BBK_DIFF="-23.3" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2018-11" OBS_VALUE="5191.821" BBK_DIFF="-2.0" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="2018-10" OBS_VALUE="5295.819" BBK_DIFF="11.1" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="2018-09" OBS_VALUE="4768.859" BBK_DIFF="3.4" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="2018-08" OBS_VALUE="4612.97" BBK_DIFF="1.4" BBK_DIFF_Y="2.7"/>
      <bbk:Obs TIME_PERIOD="2018-07" OBS_VALUE="4547.702" BBK_DIFF="-13.3" BBK_DIFF_Y="6.8"/>
      <bbk:Obs TIME_PERIOD="2018-06" OBS_VALUE="5244.824" BBK_DIFF="9.8" BBK_DIFF_Y="8.6"/>
      <bbk:Obs TIME_PERIOD="2018-05" OBS_VALUE="4778.65" BBK_DIFF="-1.5" BBK_DIFF_Y="-6.8"/>
      <bbk:Obs TIME_PERIOD="2018-04" OBS_VALUE="4852.119" BBK_DIFF="-1.9" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="2018-03" OBS_VALUE="4946.626" BBK_DIFF="5.2" BBK_DIFF_Y="-7.4"/>
      <bbk:Obs TIME_PERIOD="2018-02" OBS_VALUE="4702.145" BBK_DIFF="-0.8" BBK_DIFF_Y="4.4"/>
      <bbk:Obs TIME_PERIOD="2018-01" OBS_VALUE="4742.389" BBK_DIFF="24.5" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="2017-12" OBS_VALUE="3809.441" BBK_DIFF="-24.4" BBK_DIFF_Y="-12.5"/>
      <bbk:Obs TIME_PERIOD="2017-11" OBS_VALUE="5035.955" BBK_DIFF="5.0" BBK_DIFF_Y="-4.5"/>
      <bbk:Obs TIME_PERIOD="2017-10" OBS_VALUE="4794.716" BBK_DIFF="3.5" BBK_DIFF_Y="-3.7"/>
      <bbk:Obs TIME_PERIOD="2017-09" OBS_VALUE="4633.334" BBK_DIFF="3.2" BBK_DIFF_Y="-8.7"/>
      <bbk:Obs TIME_PERIOD="2017-08" OBS_VALUE="4491.275" BBK_DIFF="5.5" BBK_DIFF_Y="-0.2"/>
      <bbk:Obs TIME_PERIOD="2017-07" OBS_VALUE="4257.508" BBK_DIFF="-11.9" BBK_DIFF_Y="-5.5"/>
      <bbk:Obs TIME_PERIOD="2017-06" OBS_VALUE="4831.145" BBK_DIFF="-5.8" BBK_DIFF_Y="-12.2"/>
      <bbk:Obs TIME_PERIOD="2017-05" OBS_VALUE="5126.246" BBK_DIFF="15.1" BBK_DIFF_Y="10.9"/>
      <bbk:Obs TIME_PERIOD="2017-04" OBS_VALUE="4454.597" BBK_DIFF="-16.6" BBK_DIFF_Y="-6.3"/>
      <bbk:Obs TIME_PERIOD="2017-03" OBS_VALUE="5341.92" BBK_DIFF="18.6" BBK_DIFF_Y="11.8"/>
      <bbk:Obs TIME_PERIOD="2017-02" OBS_VALUE="4503.521" BBK_DIFF="-6.7" BBK_DIFF_Y="-3.9"/>
      <bbk:Obs TIME_PERIOD="2017-01" OBS_VALUE="4827.421" BBK_DIFF="10.8" BBK_DIFF_Y="13.8"/>
      <bbk:Obs TIME_PERIOD="2016-12" OBS_VALUE="4355.161" BBK_DIFF="-17.4" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="2016-11" OBS_VALUE="5273.978" BBK_DIFF="6.0" BBK_DIFF_Y="11.8"/>
      <bbk:Obs TIME_PERIOD="2016-10" OBS_VALUE="4976.882" BBK_DIFF="-1.9" BBK_DIFF_Y="2.8"/>
      <bbk:Obs TIME_PERIOD="2016-09" OBS_VALUE="5074.194" BBK_DIFF="12.7" BBK_DIFF_Y="3.6"/>
      <bbk:Obs TIME_PERIOD="2016-08" OBS_VALUE="4501.362" BBK_DIFF="-0.1" BBK_DIFF_Y="7.3"/>
      <bbk:Obs TIME_PERIOD="2016-07" OBS_VALUE="4503.933" BBK_DIFF="-18.1" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="2016-06" OBS_VALUE="5501.744" BBK_DIFF="19.0" BBK_DIFF_Y="8.7"/>
      <bbk:Obs TIME_PERIOD="2016-05" OBS_VALUE="4624.447" BBK_DIFF="-2.7" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="2016-04" OBS_VALUE="4753.524" BBK_DIFF="-0.5" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="2016-03" OBS_VALUE="4778.144" BBK_DIFF="2.0" BBK_DIFF_Y="-1.9"/>
      <bbk:Obs TIME_PERIOD="2016-02" OBS_VALUE="4685.17" BBK_DIFF="10.5" BBK_DIFF_Y="10.6"/>
      <bbk:Obs TIME_PERIOD="2016-01" OBS_VALUE="4241.575" BBK_DIFF="3.7" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="2015-12" OBS_VALUE="4089.194" BBK_DIFF="-13.3" BBK_DIFF_Y="6.6"/>
      <bbk:Obs TIME_PERIOD="2015-11" OBS_VALUE="4715.949" BBK_DIFF="-2.6" BBK_DIFF_Y="5.1"/>
      <bbk:Obs TIME_PERIOD="2015-10" OBS_VALUE="4840.83" BBK_DIFF="-1.1" BBK_DIFF_Y="1.9"/>
      <bbk:Obs TIME_PERIOD="2015-09" OBS_VALUE="4896.939" BBK_DIFF="16.7" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="2015-08" OBS_VALUE="4196.559" BBK_DIFF="-12.8" BBK_DIFF_Y="8.5"/>
      <bbk:Obs TIME_PERIOD="2015-07" OBS_VALUE="4813.563" BBK_DIFF="-4.9" BBK_DIFF_Y="7.0"/>
      <bbk:Obs TIME_PERIOD="2015-06" OBS_VALUE="5061.161" BBK_DIFF="21.2" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="2015-05" OBS_VALUE="4176.381" BBK_DIFF="-7.1" BBK_DIFF_Y="1.0"/>
      <bbk:Obs TIME_PERIOD="2015-04" OBS_VALUE="4495.297" BBK_DIFF="-7.8" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="2015-03" OBS_VALUE="4872.986" BBK_DIFF="15.0" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="2015-02" OBS_VALUE="4237.131" BBK_DIFF="4.7" BBK_DIFF_Y="-0.9"/>
      <bbk:Obs TIME_PERIOD="2015-01" OBS_VALUE="4046.149" BBK_DIFF="5.5" BBK_DIFF_Y="-1.5"/>
      <bbk:Obs TIME_PERIOD="2014-12" OBS_VALUE="3835.712" BBK_DIFF="-14.6" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="2014-11" OBS_VALUE="4489.2" BBK_DIFF="-5.5" BBK_DIFF_Y="-3.8"/>
      <bbk:Obs TIME_PERIOD="2014-10" OBS_VALUE="4751.295" BBK_DIFF="6.3" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2014-09" OBS_VALUE="4471.572" BBK_DIFF="15.6" BBK_DIFF_Y="1.3"/>
      <bbk:Obs TIME_PERIOD="2014-08" OBS_VALUE="3869.386" BBK_DIFF="-14.0" BBK_DIFF_Y="-5.6"/>
      <bbk:Obs TIME_PERIOD="2014-07" OBS_VALUE="4500.654" BBK_DIFF="-3.7" BBK_DIFF_Y="7.1"/>
      <bbk:Obs TIME_PERIOD="2014-06" OBS_VALUE="4671.771" BBK_DIFF="13.0" BBK_DIFF_Y="10.1"/>
      <bbk:Obs TIME_PERIOD="2014-05" OBS_VALUE="4134.679" BBK_DIFF="-2.8" BBK_DIFF_Y="-1.0"/>
      <bbk:Obs TIME_PERIOD="2014-04" OBS_VALUE="4253.965" BBK_DIFF="-3.5" BBK_DIFF_Y="-10.4"/>
      <bbk:Obs TIME_PERIOD="2014-03" OBS_VALUE="4410.305" BBK_DIFF="3.2" BBK_DIFF_Y="-3.5"/>
      <bbk:Obs TIME_PERIOD="2014-02" OBS_VALUE="4273.696" BBK_DIFF="4.1" BBK_DIFF_Y="2.3"/>
      <bbk:Obs TIME_PERIOD="2014-01" OBS_VALUE="4107.083" BBK_DIFF="15.9" BBK_DIFF_Y="-4.1"/>
      <bbk:Obs TIME_PERIOD="2013-12" OBS_VALUE="3542.513" BBK_DIFF="-24.1" BBK_DIFF_Y="-5.7"/>
      <bbk:Obs TIME_PERIOD="2013-11" OBS_VALUE="4668.895" BBK_DIFF="2.7" BBK_DIFF_Y="1.6"/>
      <bbk:Obs TIME_PERIOD="2013-10" OBS_VALUE="4545.955" BBK_DIFF="3.0" BBK_DIFF_Y="-7.9"/>
      <bbk:Obs TIME_PERIOD="2013-09" OBS_VALUE="4414.998" BBK_DIFF="7.7" BBK_DIFF_Y="0.4"/>
      <bbk:Obs TIME_PERIOD="2013-08" OBS_VALUE="4098.729" BBK_DIFF="-2.5" BBK_DIFF_Y="-5.7"/>
      <bbk:Obs TIME_PERIOD="2013-07" OBS_VALUE="4203.23" BBK_DIFF="-0.9" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="2013-06" OBS_VALUE="4241.865" BBK_DIFF="1.6" BBK_DIFF_Y="-6.9"/>
      <bbk:Obs TIME_PERIOD="2013-05" OBS_VALUE="4176.657" BBK_DIFF="-12.0" BBK_DIFF_Y="-7.4"/>
      <bbk:Obs TIME_PERIOD="2013-04" OBS_VALUE="4746.594" BBK_DIFF="3.8" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="2013-03" OBS_VALUE="4572.524" BBK_DIFF="9.5" BBK_DIFF_Y="-11.2"/>
      <bbk:Obs TIME_PERIOD="2013-02" OBS_VALUE="4176.221" BBK_DIFF="-2.5" BBK_DIFF_Y="-12.4"/>
      <bbk:Obs TIME_PERIOD="2013-01" OBS_VALUE="4281.534" BBK_DIFF="14.0" BBK_DIFF_Y="-6.3"/>
      <bbk:Obs TIME_PERIOD="2012-12" OBS_VALUE="3755.561" BBK_DIFF="-18.3" BBK_DIFF_Y="-12.4"/>
      <bbk:Obs TIME_PERIOD="2012-11" OBS_VALUE="4595.463" BBK_DIFF="-6.9" BBK_DIFF_Y="-6.3"/>
      <bbk:Obs TIME_PERIOD="2012-10" OBS_VALUE="4936.597" BBK_DIFF="12.2" BBK_DIFF_Y="17.9"/>
      <bbk:Obs TIME_PERIOD="2012-09" OBS_VALUE="4398.206" BBK_DIFF="1.2" BBK_DIFF_Y="-12.0"/>
      <bbk:Obs TIME_PERIOD="2012-08" OBS_VALUE="4347.665" BBK_DIFF="3.7" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2012-07" OBS_VALUE="4192.306" BBK_DIFF="-8.0" BBK_DIFF_Y="-6.0"/>
      <bbk:Obs TIME_PERIOD="2012-06" OBS_VALUE="4556.261" BBK_DIFF="1.0" BBK_DIFF_Y="8.8"/>
      <bbk:Obs TIME_PERIOD="2012-05" OBS_VALUE="4510.242" BBK_DIFF="3.0" BBK_DIFF_Y="0.7"/>
      <bbk:Obs TIME_PERIOD="2012-04" OBS_VALUE="4379.967" BBK_DIFF="-14.9" BBK_DIFF_Y="18.9"/>
      <bbk:Obs TIME_PERIOD="2012-03" OBS_VALUE="5148.332" BBK_DIFF="8.0" BBK_DIFF_Y="20.2"/>
      <bbk:Obs TIME_PERIOD="2012-02" OBS_VALUE="4766.328" BBK_DIFF="4.3" BBK_DIFF_Y="22.9"/>
      <bbk:Obs TIME_PERIOD="2012-01" OBS_VALUE="4568.605" BBK_DIFF="6.6" BBK_DIFF_Y="27.9"/>
      <bbk:Obs TIME_PERIOD="2011-12" OBS_VALUE="4285.878" BBK_DIFF="-12.6" BBK_DIFF_Y="20.8"/>
      <bbk:Obs TIME_PERIOD="2011-11" OBS_VALUE="4906.066" BBK_DIFF="17.2" BBK_DIFF_Y="18.3"/>
      <bbk:Obs TIME_PERIOD="2011-10" OBS_VALUE="4186.788" BBK_DIFF="-16.2" BBK_DIFF_Y="11.7"/>
      <bbk:Obs TIME_PERIOD="2011-09" OBS_VALUE="4998.977" BBK_DIFF="2.8" BBK_DIFF_Y="31.6"/>
      <bbk:Obs TIME_PERIOD="2011-08" OBS_VALUE="4861.643" BBK_DIFF="9.0" BBK_DIFF_Y="39.8"/>
      <bbk:Obs TIME_PERIOD="2011-07" OBS_VALUE="4461.3" BBK_DIFF="6.5" BBK_DIFF_Y="27.3"/>
      <bbk:Obs TIME_PERIOD="2011-06" OBS_VALUE="4187.541" BBK_DIFF="-6.5" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="2011-05" OBS_VALUE="4480.254" BBK_DIFF="21.6" BBK_DIFF_Y="30.2"/>
      <bbk:Obs TIME_PERIOD="2011-04" OBS_VALUE="3685.284" BBK_DIFF="-14.0" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-03" OBS_VALUE="4283.785" BBK_DIFF="10.4" BBK_DIFF_Y="9.1"/>
      <bbk:Obs TIME_PERIOD="2011-02" OBS_VALUE="3879.475" BBK_DIFF="8.6" BBK_DIFF_Y="24.7"/>
      <bbk:Obs TIME_PERIOD="2011-01" OBS_VALUE="3572.965" BBK_DIFF="0.7" BBK_DIFF_Y="23.2"/>
      <bbk:Obs TIME_PERIOD="2010-12" OBS_VALUE="3548.481" BBK_DIFF="-14.5" BBK_DIFF_Y="24.1"/>
      <bbk:Obs TIME_PERIOD="2010-11" OBS_VALUE="4148.712" BBK_DIFF="10.7" BBK_DIFF_Y="15.1"/>
      <bbk:Obs TIME_PERIOD="2010-10" OBS_VALUE="3746.588" BBK_DIFF="-1.4" BBK_DIFF_Y="22.7"/>
      <bbk:Obs TIME_PERIOD="2010-09" OBS_VALUE="3799.734" BBK_DIFF="9.2" BBK_DIFF_Y="30.8"/>
      <bbk:Obs TIME_PERIOD="2010-08" OBS_VALUE="3478.244" BBK_DIFF="-0.7" BBK_DIFF_Y="27.7"/>
      <bbk:Obs TIME_PERIOD="2010-07" OBS_VALUE="3503.932" BBK_DIFF="-7.8" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="2010-06" OBS_VALUE="3798.882" BBK_DIFF="10.4" BBK_DIFF_Y="37.4"/>
      <bbk:Obs TIME_PERIOD="2010-05" OBS_VALUE="3439.918" BBK_DIFF="-6.3" BBK_DIFF_Y="32.0"/>
      <bbk:Obs TIME_PERIOD="2010-04" OBS_VALUE="3672.918" BBK_DIFF="-6.4" BBK_DIFF_Y="31.2"/>
      <bbk:Obs TIME_PERIOD="2010-03" OBS_VALUE="3925.18" BBK_DIFF="26.2" BBK_DIFF_Y="21.0"/>
      <bbk:Obs TIME_PERIOD="2010-02" OBS_VALUE="3110.266" BBK_DIFF="7.2" BBK_DIFF_Y="6.1"/>
      <bbk:Obs TIME_PERIOD="2010-01" OBS_VALUE="2900.338" BBK_DIFF="1.4" BBK_DIFF_Y="3.7"/>
      <bbk:Obs TIME_PERIOD="2009-12" OBS_VALUE="2860.508" BBK_DIFF="-20.6" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2009-11" OBS_VALUE="3602.961" BBK_DIFF="18.0" BBK_DIFF_Y="12.8"/>
      <bbk:Obs TIME_PERIOD="2009-10" OBS_VALUE="3054.191" BBK_DIFF="5.2" BBK_DIFF_Y="-16.5"/>
      <bbk:Obs TIME_PERIOD="2009-09" OBS_VALUE="2904.587" BBK_DIFF="6.6" BBK_DIFF_Y="-23.9"/>
      <bbk:Obs TIME_PERIOD="2009-08" OBS_VALUE="2724.188" BBK_DIFF="-9.3" BBK_DIFF_Y="-3.5"/>
      <bbk:Obs TIME_PERIOD="2009-07" OBS_VALUE="3004.752" BBK_DIFF="8.7" BBK_DIFF_Y="-8.5"/>
      <bbk:Obs TIME_PERIOD="2009-06" OBS_VALUE="2764.177" BBK_DIFF="6.0" BBK_DIFF_Y="-16.7"/>
      <bbk:Obs TIME_PERIOD="2009-05" OBS_VALUE="2606.644" BBK_DIFF="-6.9" BBK_DIFF_Y="-9.7"/>
      <bbk:Obs TIME_PERIOD="2009-04" OBS_VALUE="2799.42" BBK_DIFF="-13.7" BBK_DIFF_Y="-16.4"/>
      <bbk:Obs TIME_PERIOD="2009-03" OBS_VALUE="3243.535" BBK_DIFF="10.6" BBK_DIFF_Y="9.8"/>
      <bbk:Obs TIME_PERIOD="2009-02" OBS_VALUE="2932.113" BBK_DIFF="4.8" BBK_DIFF_Y="-8.0"/>
      <bbk:Obs TIME_PERIOD="2009-01" OBS_VALUE="2797.37" BBK_DIFF="-12.6" BBK_DIFF_Y="-8.3"/>
      <bbk:Obs TIME_PERIOD="2008-12" OBS_VALUE="3199.796" BBK_DIFF="0.1" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="2008-11" OBS_VALUE="3195.128" BBK_DIFF="-12.6" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2008-10" OBS_VALUE="3655.643" BBK_DIFF="-4.2" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="2008-09" OBS_VALUE="3814.369" BBK_DIFF="35.1" BBK_DIFF_Y="21.9"/>
      <bbk:Obs TIME_PERIOD="2008-08" OBS_VALUE="2823.481" BBK_DIFF="-14.0" BBK_DIFF_Y="-10.4"/>
      <bbk:Obs TIME_PERIOD="2008-07" OBS_VALUE="3283.712" BBK_DIFF="-1.0" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="2008-06" OBS_VALUE="3317.789" BBK_DIFF="15.0" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="2008-05" OBS_VALUE="2885.415" BBK_DIFF="-13.9" BBK_DIFF_Y="-10.9"/>
      <bbk:Obs TIME_PERIOD="2008-04" OBS_VALUE="3350.503" BBK_DIFF="13.5" BBK_DIFF_Y="11.1"/>
      <bbk:Obs TIME_PERIOD="2008-03" OBS_VALUE="2953.097" BBK_DIFF="-7.3" BBK_DIFF_Y="-12.4"/>
      <bbk:Obs TIME_PERIOD="2008-02" OBS_VALUE="3186.145" BBK_DIFF="4.5" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="2008-01" OBS_VALUE="3049.901" BBK_DIFF="6.7" BBK_DIFF_Y="-2.2"/>
      <bbk:Obs TIME_PERIOD="2007-12" OBS_VALUE="2857.487" BBK_DIFF="-20.0" BBK_DIFF_Y="-9.5"/>
      <bbk:Obs TIME_PERIOD="2007-11" OBS_VALUE="3573.982" BBK_DIFF="8.0" BBK_DIFF_Y="-3.8"/>
      <bbk:Obs TIME_PERIOD="2007-10" OBS_VALUE="3308.473" BBK_DIFF="5.8" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="2007-09" OBS_VALUE="3128.273" BBK_DIFF="-0.7" BBK_DIFF_Y="-5.9"/>
      <bbk:Obs TIME_PERIOD="2007-08" OBS_VALUE="3150.199" BBK_DIFF="-3.8" BBK_DIFF_Y="22.9"/>
      <bbk:Obs TIME_PERIOD="2007-07" OBS_VALUE="3274.325" BBK_DIFF="4.3" BBK_DIFF_Y="12.8"/>
      <bbk:Obs TIME_PERIOD="2007-06" OBS_VALUE="3138.336" BBK_DIFF="-3.0" BBK_DIFF_Y="15.7"/>
      <bbk:Obs TIME_PERIOD="2007-05" OBS_VALUE="3236.754" BBK_DIFF="7.3" BBK_DIFF_Y="30.8"/>
      <bbk:Obs TIME_PERIOD="2007-04" OBS_VALUE="3016.077" BBK_DIFF="-10.6" BBK_DIFF_Y="15.4"/>
      <bbk:Obs TIME_PERIOD="2007-03" OBS_VALUE="3372.745" BBK_DIFF="14.4" BBK_DIFF_Y="31.2"/>
      <bbk:Obs TIME_PERIOD="2007-02" OBS_VALUE="2948.019" BBK_DIFF="-5.5" BBK_DIFF_Y="6.9"/>
      <bbk:Obs TIME_PERIOD="2007-01" OBS_VALUE="3119.74" BBK_DIFF="-1.2" BBK_DIFF_Y="26.5"/>
      <bbk:Obs TIME_PERIOD="2006-12" OBS_VALUE="3156.949" BBK_DIFF="-15.1" BBK_DIFF_Y="12.8"/>
      <bbk:Obs TIME_PERIOD="2006-11" OBS_VALUE="3716.945" BBK_DIFF="4.3" BBK_DIFF_Y="40.7"/>
      <bbk:Obs TIME_PERIOD="2006-10" OBS_VALUE="3563.551" BBK_DIFF="7.2" BBK_DIFF_Y="42.4"/>
      <bbk:Obs TIME_PERIOD="2006-09" OBS_VALUE="3322.901" BBK_DIFF="29.7" BBK_DIFF_Y="14.8"/>
      <bbk:Obs TIME_PERIOD="2006-08" OBS_VALUE="2562.287" BBK_DIFF="-11.7" BBK_DIFF_Y="1.7"/>
      <bbk:Obs TIME_PERIOD="2006-07" OBS_VALUE="2901.92" BBK_DIFF="7.0" BBK_DIFF_Y="20.6"/>
      <bbk:Obs TIME_PERIOD="2006-06" OBS_VALUE="2712.544" BBK_DIFF="9.6" BBK_DIFF_Y="-0.1"/>
      <bbk:Obs TIME_PERIOD="2006-05" OBS_VALUE="2474.337" BBK_DIFF="-5.3" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="2006-04" OBS_VALUE="2613.031" BBK_DIFF="1.6" BBK_DIFF_Y="10.8"/>
      <bbk:Obs TIME_PERIOD="2006-03" OBS_VALUE="2571.173" BBK_DIFF="-6.8" BBK_DIFF_Y="-7.6"/>
      <bbk:Obs TIME_PERIOD="2006-02" OBS_VALUE="2758.921" BBK_DIFF="11.9" BBK_DIFF_Y="10.8"/>
      <bbk:Obs TIME_PERIOD="2006-01" OBS_VALUE="2465.865" BBK_DIFF="-11.9" BBK_DIFF_Y="-0.4"/>
      <bbk:Obs TIME_PERIOD="2005-12" OBS_VALUE="2799.685" BBK_DIFF="5.9" BBK_DIFF_Y="1.8"/>
      <bbk:Obs TIME_PERIOD="2005-11" OBS_VALUE="2642.584" BBK_DIFF="5.6" BBK_DIFF_Y="12.6"/>
      <bbk:Obs TIME_PERIOD="2005-10" OBS_VALUE="2501.953" BBK_DIFF="-13.6" BBK_DIFF_Y="-5.5"/>
      <bbk:Obs TIME_PERIOD="2005-09" OBS_VALUE="2894.311" BBK_DIFF="14.9" BBK_DIFF_Y="24.1"/>
      <bbk:Obs TIME_PERIOD="2005-08" OBS_VALUE="2519.147" BBK_DIFF="4.7" BBK_DIFF_Y="16.8"/>
      <bbk:Obs TIME_PERIOD="2005-07" OBS_VALUE="2405.55" BBK_DIFF="-11.4" BBK_DIFF_Y="-6.3"/>
      <bbk:Obs TIME_PERIOD="2005-06" OBS_VALUE="2714.591" BBK_DIFF="9.4" BBK_DIFF_Y="7.3"/>
      <bbk:Obs TIME_PERIOD="2005-05" OBS_VALUE="2481.797" BBK_DIFF="5.2" BBK_DIFF_Y="8.8"/>
      <bbk:Obs TIME_PERIOD="2005-04" OBS_VALUE="2358.577" BBK_DIFF="-15.3" BBK_DIFF_Y="-0.8"/>
      <bbk:Obs TIME_PERIOD="2005-03" OBS_VALUE="2784.027" BBK_DIFF="11.8" BBK_DIFF_Y="4.7"/>
      <bbk:Obs TIME_PERIOD="2005-02" OBS_VALUE="2489.95" BBK_DIFF="0.6" BBK_DIFF_Y="15.2"/>
      <bbk:Obs TIME_PERIOD="2005-01" OBS_VALUE="2475.651" BBK_DIFF="-10.0" BBK_DIFF_Y="22.5"/>
      <bbk:Obs TIME_PERIOD="2004-12" OBS_VALUE="2750.917" BBK_DIFF="17.2" BBK_DIFF_Y="27.3"/>
      <bbk:Obs TIME_PERIOD="2004-11" OBS_VALUE="2347.116" BBK_DIFF="-11.4" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="2004-10" OBS_VALUE="2648.177" BBK_DIFF="13.6" BBK_DIFF_Y="24.9"/>
      <bbk:Obs TIME_PERIOD="2004-09" OBS_VALUE="2331.323" BBK_DIFF="8.1" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="2004-08" OBS_VALUE="2156.008" BBK_DIFF="-16.0" BBK_DIFF_Y="13.0"/>
      <bbk:Obs TIME_PERIOD="2004-07" OBS_VALUE="2566.436" BBK_DIFF="1.4" BBK_DIFF_Y="14.0"/>
      <bbk:Obs TIME_PERIOD="2004-06" OBS_VALUE="2530.514" BBK_DIFF="10.9" BBK_DIFF_Y="18.5"/>
      <bbk:Obs TIME_PERIOD="2004-05" OBS_VALUE="2281.684" BBK_DIFF="-4.1" BBK_DIFF_Y="-2.4"/>
      <bbk:Obs TIME_PERIOD="2004-04" OBS_VALUE="2378.749" BBK_DIFF="-10.6" BBK_DIFF_Y="13.8"/>
      <bbk:Obs TIME_PERIOD="2004-03" OBS_VALUE="2659.942" BBK_DIFF="23.1" BBK_DIFF_Y="25.3"/>
      <bbk:Obs TIME_PERIOD="2004-02" OBS_VALUE="2160.725" BBK_DIFF="6.9" BBK_DIFF_Y="-4.7"/>
      <bbk:Obs TIME_PERIOD="2004-01" OBS_VALUE="2021.03" BBK_DIFF="-6.5" BBK_DIFF_Y="-11.8"/>
      <bbk:Obs TIME_PERIOD="2003-12" OBS_VALUE="2160.82" BBK_DIFF="-4.7" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2003-11" OBS_VALUE="2267.394" BBK_DIFF="7.0" BBK_DIFF_Y="-0.9"/>
      <bbk:Obs TIME_PERIOD="2003-10" OBS_VALUE="2119.979" BBK_DIFF="-1.0" BBK_DIFF_Y="-15.2"/>
      <bbk:Obs TIME_PERIOD="2003-09" OBS_VALUE="2141.021" BBK_DIFF="12.2" BBK_DIFF_Y="-9.0"/>
      <bbk:Obs TIME_PERIOD="2003-08" OBS_VALUE="1907.547" BBK_DIFF="-15.3" BBK_DIFF_Y="-10.6"/>
      <bbk:Obs TIME_PERIOD="2003-07" OBS_VALUE="2251.559" BBK_DIFF="5.4" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="2003-06" OBS_VALUE="2135.743" BBK_DIFF="-8.6" BBK_DIFF_Y="-8.4"/>
      <bbk:Obs TIME_PERIOD="2003-05" OBS_VALUE="2337.252" BBK_DIFF="11.9" BBK_DIFF_Y="3.4"/>
      <bbk:Obs TIME_PERIOD="2003-04" OBS_VALUE="2089.6" BBK_DIFF="-1.6" BBK_DIFF_Y="-5.9"/>
      <bbk:Obs TIME_PERIOD="2003-03" OBS_VALUE="2122.9" BBK_DIFF="-6.4" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2003-02" OBS_VALUE="2266.868" BBK_DIFF="-1.1" BBK_DIFF_Y="-1.1"/>
      <bbk:Obs TIME_PERIOD="2003-01" OBS_VALUE="2292.551" BBK_DIFF="10.9" BBK_DIFF_Y="9.9"/>
      <bbk:Obs TIME_PERIOD="2002-12" OBS_VALUE="2068.097" BBK_DIFF="-9.6" BBK_DIFF_Y="12.2"/>
      <bbk:Obs TIME_PERIOD="2002-11" OBS_VALUE="2288.912" BBK_DIFF="-8.5" BBK_DIFF_Y="-10.7"/>
      <bbk:Obs TIME_PERIOD="2002-10" OBS_VALUE="2501.319" BBK_DIFF="6.3" BBK_DIFF_Y="0.4"/>
      <bbk:Obs TIME_PERIOD="2002-09" OBS_VALUE="2353.259" BBK_DIFF="10.3" BBK_DIFF_Y="11.3"/>
      <bbk:Obs TIME_PERIOD="2002-08" OBS_VALUE="2133.765" BBK_DIFF="-1.0" BBK_DIFF_Y="-9.7"/>
      <bbk:Obs TIME_PERIOD="2002-07" OBS_VALUE="2154.338" BBK_DIFF="-7.6" BBK_DIFF_Y="-18.2"/>
      <bbk:Obs TIME_PERIOD="2002-06" OBS_VALUE="2332.482" BBK_DIFF="3.2" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2002-05" OBS_VALUE="2259.684" BBK_DIFF="1.7" BBK_DIFF_Y="-14.5"/>
      <bbk:Obs TIME_PERIOD="2002-04" OBS_VALUE="2221.533" BBK_DIFF="-5.4" BBK_DIFF_Y="-7.9"/>
      <bbk:Obs TIME_PERIOD="2002-03" OBS_VALUE="2347.515" BBK_DIFF="2.5" BBK_DIFF_Y="-18.2"/>
      <bbk:Obs TIME_PERIOD="2002-02" OBS_VALUE="2291.309" BBK_DIFF="9.8" BBK_DIFF_Y="-5.7"/>
      <bbk:Obs TIME_PERIOD="2002-01" OBS_VALUE="2086.658" BBK_DIFF="13.2" BBK_DIFF_Y="-11.7"/>
      <bbk:Obs TIME_PERIOD="2001-12" OBS_VALUE="1842.842" BBK_DIFF="-28.1" BBK_DIFF_Y="-10.7"/>
      <bbk:Obs TIME_PERIOD="2001-11" OBS_VALUE="2561.856" BBK_DIFF="2.8" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="2001-10" OBS_VALUE="2491.377" BBK_DIFF="17.9" BBK_DIFF_Y="-4.7"/>
      <bbk:Obs TIME_PERIOD="2001-09" OBS_VALUE="2113.879" BBK_DIFF="-10.5" BBK_DIFF_Y="-7.3"/>
      <bbk:Obs TIME_PERIOD="2001-08" OBS_VALUE="2362.035" BBK_DIFF="-10.3" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="2001-07" OBS_VALUE="2633.039" BBK_DIFF="2.0" BBK_DIFF_Y="20.7"/>
      <bbk:Obs TIME_PERIOD="2001-06" OBS_VALUE="2581.454" BBK_DIFF="-2.4" BBK_DIFF_Y="28.7"/>
      <bbk:Obs TIME_PERIOD="2001-05" OBS_VALUE="2644.035" BBK_DIFF="9.6" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="2001-04" OBS_VALUE="2411.364" BBK_DIFF="-16.0" BBK_DIFF_Y="20.8"/>
      <bbk:Obs TIME_PERIOD="2001-03" OBS_VALUE="2871.342" BBK_DIFF="18.2" BBK_DIFF_Y="20.0"/>
      <bbk:Obs TIME_PERIOD="2001-02" OBS_VALUE="2429.156" BBK_DIFF="2.7" BBK_DIFF_Y="14.2"/>
      <bbk:Obs TIME_PERIOD="2001-01" OBS_VALUE="2364.147" BBK_DIFF="14.6" BBK_DIFF_Y="26.8"/>
      <bbk:Obs TIME_PERIOD="2000-12" OBS_VALUE="2062.888" BBK_DIFF="-13.0" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="2000-11" OBS_VALUE="2370.654" BBK_DIFF="-9.3" BBK_DIFF_Y="4.0"/>
      <bbk:Obs TIME_PERIOD="2000-10" OBS_VALUE="2614.585" BBK_DIFF="14.7" BBK_DIFF_Y="28.0"/>
      <bbk:Obs TIME_PERIOD="2000-09" OBS_VALUE="2280.416" BBK_DIFF="-3.1" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="2000-08" OBS_VALUE="2353.898" BBK_DIFF="7.9" BBK_DIFF_Y="33.4"/>
      <bbk:Obs TIME_PERIOD="2000-07" OBS_VALUE="2181.408" BBK_DIFF="8.8" BBK_DIFF_Y="13.9"/>
      <bbk:Obs TIME_PERIOD="2000-06" OBS_VALUE="2005.338" BBK_DIFF="-17.8" BBK_DIFF_Y="-9.8"/>
      <bbk:Obs TIME_PERIOD="2000-05" OBS_VALUE="2439.237" BBK_DIFF="22.2" BBK_DIFF_Y="33.3"/>
      <bbk:Obs TIME_PERIOD="2000-04" OBS_VALUE="1996.626" BBK_DIFF="-16.6" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="2000-03" OBS_VALUE="2393.383" BBK_DIFF="12.6" BBK_DIFF_Y="3.6"/>
      <bbk:Obs TIME_PERIOD="2000-02" OBS_VALUE="2126.382" BBK_DIFF="14.1" BBK_DIFF_Y="9.8"/>
      <bbk:Obs TIME_PERIOD="2000-01" OBS_VALUE="1863.838" BBK_DIFF="-0.4" BBK_DIFF_Y="9.0"/>
      <bbk:Obs TIME_PERIOD="1999-12" OBS_VALUE="1870.915" BBK_DIFF="-17.9" BBK_DIFF_Y="-7.0"/>
      <bbk:Obs TIME_PERIOD="1999-11" OBS_VALUE="2278.407" BBK_DIFF="11.6" BBK_DIFF_Y="-1.5"/>
      <bbk:Obs TIME_PERIOD="1999-10" OBS_VALUE="2042.165" BBK_DIFF="-0.4" BBK_DIFF_Y="-2.9"/>
      <bbk:Obs TIME_PERIOD="1999-09" OBS_VALUE="2049.934" BBK_DIFF="16.2" BBK_DIFF_Y="-0.8"/>
      <bbk:Obs TIME_PERIOD="1999-08" OBS_VALUE="1764.205" BBK_DIFF="-7.9" BBK_DIFF_Y="0.7"/>
      <bbk:Obs TIME_PERIOD="1999-07" OBS_VALUE="1914.996" BBK_DIFF="-13.9" BBK_DIFF_Y="-6.0"/>
      <bbk:Obs TIME_PERIOD="1999-06" OBS_VALUE="2224.166" BBK_DIFF="21.5" BBK_DIFF_Y="10.4"/>
      <bbk:Obs TIME_PERIOD="1999-05" OBS_VALUE="1830.071" BBK_DIFF="-5.7" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="1999-04" OBS_VALUE="1940.861" BBK_DIFF="-16.0" BBK_DIFF_Y="-0.2"/>
      <bbk:Obs TIME_PERIOD="1999-03" OBS_VALUE="2311.194" BBK_DIFF="19.3" BBK_DIFF_Y="4.2"/>
      <bbk:Obs TIME_PERIOD="1999-02" OBS_VALUE="1936.487" BBK_DIFF="13.2" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="1999-01" OBS_VALUE="1710.448" BBK_DIFF="-15.0" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="1998-12" OBS_VALUE="2012.737" BBK_DIFF="-13.0" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="1998-11" OBS_VALUE="2314.188" BBK_DIFF="10.0" BBK_DIFF_Y="22.1"/>
      <bbk:Obs TIME_PERIOD="1998-10" OBS_VALUE="2104.234" BBK_DIFF="1.8" BBK_DIFF_Y="0.6"/>
      <bbk:Obs TIME_PERIOD="1998-09" OBS_VALUE="2066.409" BBK_DIFF="17.9" BBK_DIFF_Y="6.0"/>
      <bbk:Obs TIME_PERIOD="1998-08" OBS_VALUE="1752.479" BBK_DIFF="-14.0" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1998-07" OBS_VALUE="2036.665" BBK_DIFF="1.1" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="1998-06" OBS_VALUE="2014.171" BBK_DIFF="3.0" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="1998-05" OBS_VALUE="1956.05" BBK_DIFF="0.5" BBK_DIFF_Y="16.9"/>
      <bbk:Obs TIME_PERIOD="1998-04" OBS_VALUE="1945.577" BBK_DIFF="-12.2" BBK_DIFF_Y="-8.3"/>
      <bbk:Obs TIME_PERIOD="1998-03" OBS_VALUE="2217.18" BBK_DIFF="21.1" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="1998-02" OBS_VALUE="1830.961" BBK_DIFF="13.7" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="1998-01" OBS_VALUE="1611.041" BBK_DIFF="-14.8" BBK_DIFF_Y="4.4"/>
      <bbk:Obs TIME_PERIOD="1997-12" OBS_VALUE="1889.92" BBK_DIFF="-0.2" BBK_DIFF_Y="6.8"/>
      <bbk:Obs TIME_PERIOD="1997-11" OBS_VALUE="1894.619" BBK_DIFF="-9.4" BBK_DIFF_Y="1.9"/>
      <bbk:Obs TIME_PERIOD="1997-10" OBS_VALUE="2092.207" BBK_DIFF="7.3" BBK_DIFF_Y="22.3"/>
      <bbk:Obs TIME_PERIOD="1997-09" OBS_VALUE="1949.397" BBK_DIFF="29.7" BBK_DIFF_Y="1.3"/>
      <bbk:Obs TIME_PERIOD="1997-08" OBS_VALUE="1502.577" BBK_DIFF="-19.2" BBK_DIFF_Y="4.1"/>
      <bbk:Obs TIME_PERIOD="1997-07" OBS_VALUE="1858.895" BBK_DIFF="-9.3" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="1997-06" OBS_VALUE="2050.59" BBK_DIFF="22.6" BBK_DIFF_Y="19.1"/>
      <bbk:Obs TIME_PERIOD="1997-05" OBS_VALUE="1672.726" BBK_DIFF="-21.2" BBK_DIFF_Y="-14.9"/>
      <bbk:Obs TIME_PERIOD="1997-04" OBS_VALUE="2122.481" BBK_DIFF="5.6" BBK_DIFF_Y="21.9"/>
      <bbk:Obs TIME_PERIOD="1997-03" OBS_VALUE="2010.401" BBK_DIFF="22.9" BBK_DIFF_Y="6.8"/>
      <bbk:Obs TIME_PERIOD="1997-02" OBS_VALUE="1635.38" BBK_DIFF="5.9" BBK_DIFF_Y="-11.5"/>
      <bbk:Obs TIME_PERIOD="1997-01" OBS_VALUE="1543.599" BBK_DIFF="-12.8" BBK_DIFF_Y="3.0"/>
      <bbk:Obs TIME_PERIOD="1996-12" OBS_VALUE="1769.73" BBK_DIFF="-4.8" BBK_DIFF_Y="-11.8"/>
      <bbk:Obs TIME_PERIOD="1996-11" OBS_VALUE="1859.14" BBK_DIFF="8.7" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="1996-10" OBS_VALUE="1710.042" BBK_DIFF="-11.2" BBK_DIFF_Y="-9.2"/>
      <bbk:Obs TIME_PERIOD="1996-09" OBS_VALUE="1925.192" BBK_DIFF="33.4" BBK_DIFF_Y="-9.1"/>
      <bbk:Obs TIME_PERIOD="1996-08" OBS_VALUE="1443.108" BBK_DIFF="-19.9" BBK_DIFF_Y="-10.2"/>
      <bbk:Obs TIME_PERIOD="1996-07" OBS_VALUE="1801.318" BBK_DIFF="4.6" BBK_DIFF_Y="5.6"/>
      <bbk:Obs TIME_PERIOD="1996-06" OBS_VALUE="1721.49" BBK_DIFF="-12.5" BBK_DIFF_Y="-0.5"/>
      <bbk:Obs TIME_PERIOD="1996-05" OBS_VALUE="1966.402" BBK_DIFF="12.9" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="1996-04" OBS_VALUE="1741.494" BBK_DIFF="-7.5" BBK_DIFF_Y="-2.0"/>
      <bbk:Obs TIME_PERIOD="1996-03" OBS_VALUE="1882.363" BBK_DIFF="1.8" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="1996-02" OBS_VALUE="1848.831" BBK_DIFF="23.4" BBK_DIFF_Y="7.4"/>
      <bbk:Obs TIME_PERIOD="1996-01" OBS_VALUE="1498.266" BBK_DIFF="-25.3" BBK_DIFF_Y="-6.8"/>
      <bbk:Obs TIME_PERIOD="1995-12" OBS_VALUE="2005.996" BBK_DIFF="20.9" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="1995-11" OBS_VALUE="1659.4" BBK_DIFF="-11.9" BBK_DIFF_Y="2.1"/>
      <bbk:Obs TIME_PERIOD="1995-10" OBS_VALUE="1883.407" BBK_DIFF="-11.0" BBK_DIFF_Y="3.4"/>
      <bbk:Obs TIME_PERIOD="1995-09" OBS_VALUE="2117.012" BBK_DIFF="31.8" BBK_DIFF_Y="20.8"/>
      <bbk:Obs TIME_PERIOD="1995-08" OBS_VALUE="1606.489" BBK_DIFF="-5.8" BBK_DIFF_Y="-5.6"/>
      <bbk:Obs TIME_PERIOD="1995-07" OBS_VALUE="1705.097" BBK_DIFF="-1.5" BBK_DIFF_Y="19.1"/>
      <bbk:Obs TIME_PERIOD="1995-06" OBS_VALUE="1730.294" BBK_DIFF="-6.5" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="1995-05" OBS_VALUE="1851.468" BBK_DIFF="4.2" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="1995-04" OBS_VALUE="1776.243" BBK_DIFF="-14.7" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="1995-03" OBS_VALUE="2083.226" BBK_DIFF="21.1" BBK_DIFF_Y="19.5"/>
      <bbk:Obs TIME_PERIOD="1995-02" OBS_VALUE="1720.859" BBK_DIFF="7.0" BBK_DIFF_Y="16.1"/>
      <bbk:Obs TIME_PERIOD="1995-01" OBS_VALUE="1608.414" BBK_DIFF="-11.6" BBK_DIFF_Y="17.0"/>
      <bbk:Obs TIME_PERIOD="1994-12" OBS_VALUE="1818.891" BBK_DIFF="11.9" BBK_DIFF_Y="-7.8"/>
      <bbk:Obs TIME_PERIOD="1994-11" OBS_VALUE="1625.464" BBK_DIFF="-10.8" BBK_DIFF_Y="2.8"/>
      <bbk:Obs TIME_PERIOD="1994-10" OBS_VALUE="1821.568" BBK_DIFF="4.0" BBK_DIFF_Y="10.6"/>
      <bbk:Obs TIME_PERIOD="1994-09" OBS_VALUE="1751.997" BBK_DIFF="2.9" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="1994-08" OBS_VALUE="1701.931" BBK_DIFF="18.8" BBK_DIFF_Y="29.1"/>
      <bbk:Obs TIME_PERIOD="1994-07" OBS_VALUE="1432.182" BBK_DIFF="-25.2" BBK_DIFF_Y="5.0"/>
      <bbk:Obs TIME_PERIOD="1994-06" OBS_VALUE="1914.352" BBK_DIFF="14.5" BBK_DIFF_Y="18.0"/>
      <bbk:Obs TIME_PERIOD="1994-05" OBS_VALUE="1671.893" BBK_DIFF="0.0" BBK_DIFF_Y="20.3"/>
      <bbk:Obs TIME_PERIOD="1994-04" OBS_VALUE="1672.347" BBK_DIFF="-4.1" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="1994-03" OBS_VALUE="1742.95" BBK_DIFF="17.6" BBK_DIFF_Y="-1.1"/>
      <bbk:Obs TIME_PERIOD="1994-02" OBS_VALUE="1481.736" BBK_DIFF="7.8" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="1994-01" OBS_VALUE="1375.037" BBK_DIFF="-30.3" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="1993-12" OBS_VALUE="1971.975" BBK_DIFF="24.7" BBK_DIFF_Y="16.4"/>
      <bbk:Obs TIME_PERIOD="1993-11" OBS_VALUE="1580.805" BBK_DIFF="-4.0" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="1993-10" OBS_VALUE="1647.47" BBK_DIFF="-0.6" BBK_DIFF_Y="-9.0"/>
      <bbk:Obs TIME_PERIOD="1993-09" OBS_VALUE="1656.77" BBK_DIFF="25.6" BBK_DIFF_Y="-12.9"/>
      <bbk:Obs TIME_PERIOD="1993-08" OBS_VALUE="1318.764" BBK_DIFF="-3.3" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="1993-07" OBS_VALUE="1363.511" BBK_DIFF="-16.0" BBK_DIFF_Y="-22.4"/>
      <bbk:Obs TIME_PERIOD="1993-06" OBS_VALUE="1622.69" BBK_DIFF="16.8" BBK_DIFF_Y="-16.3"/>
      <bbk:Obs TIME_PERIOD="1993-05" OBS_VALUE="1389.667" BBK_DIFF="-14.3" BBK_DIFF_Y="-12.7"/>
      <bbk:Obs TIME_PERIOD="1993-04" OBS_VALUE="1620.645" BBK_DIFF="-8.0" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="1993-03" OBS_VALUE="1761.882" BBK_DIFF="18.5" BBK_DIFF_Y="-10.4"/>
      <bbk:Obs TIME_PERIOD="1993-02" OBS_VALUE="1486.427" BBK_DIFF="10.3" BBK_DIFF_Y="-8.7"/>
      <bbk:Obs TIME_PERIOD="1993-01" OBS_VALUE="1347.551" BBK_DIFF="-20.5" BBK_DIFF_Y="-15.2"/>
      <bbk:Obs TIME_PERIOD="1992-12" OBS_VALUE="1694.792" BBK_DIFF="10.6" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="1992-11" OBS_VALUE="1532.753" BBK_DIFF="-15.3" BBK_DIFF_Y="-6.5"/>
      <bbk:Obs TIME_PERIOD="1992-10" OBS_VALUE="1810.4" BBK_DIFF="-4.8" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="1992-09" OBS_VALUE="1902.252" BBK_DIFF="30.4" BBK_DIFF_Y="10.1"/>
      <bbk:Obs TIME_PERIOD="1992-08" OBS_VALUE="1458.5" BBK_DIFF="-17.0" BBK_DIFF_Y="-12.0"/>
      <bbk:Obs TIME_PERIOD="1992-07" OBS_VALUE="1757.486" BBK_DIFF="-9.4" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="1992-06" OBS_VALUE="1938.934" BBK_DIFF="21.9" BBK_DIFF_Y="-2.9"/>
      <bbk:Obs TIME_PERIOD="1992-05" OBS_VALUE="1590.975" BBK_DIFF="-8.9" BBK_DIFF_Y="-0.9"/>
      <bbk:Obs TIME_PERIOD="1992-04" OBS_VALUE="1746.407" BBK_DIFF="-11.1" BBK_DIFF_Y="1.4"/>
      <bbk:Obs TIME_PERIOD="1992-03" OBS_VALUE="1965.383" BBK_DIFF="20.7" BBK_DIFF_Y="-9.9"/>
      <bbk:Obs TIME_PERIOD="1992-02" OBS_VALUE="1628.915" BBK_DIFF="2.5" BBK_DIFF_Y="1.9"/>
      <bbk:Obs TIME_PERIOD="1992-01" OBS_VALUE="1589.592" BBK_DIFF="-12.9" BBK_DIFF_Y="-10.3"/>
      <bbk:Obs TIME_PERIOD="1991-12" OBS_VALUE="1825.624" BBK_DIFF="11.4" BBK_DIFF_Y="7.5"/>
      <bbk:Obs TIME_PERIOD="1991-11" OBS_VALUE="1639.394" BBK_DIFF="-9.7" BBK_DIFF_Y="-14.3"/>
      <bbk:Obs TIME_PERIOD="1991-10" OBS_VALUE="1815.632" BBK_DIFF="5.1" BBK_DIFF_Y="-12.7"/>
      <bbk:Obs TIME_PERIOD="1991-09" OBS_VALUE="1728.239" BBK_DIFF="4.3" BBK_DIFF_Y="-8.7"/>
      <bbk:Obs TIME_PERIOD="1991-08" OBS_VALUE="1657.419" BBK_DIFF="-11.7" BBK_DIFF_Y="1.1"/>
      <bbk:Obs TIME_PERIOD="1991-07" OBS_VALUE="1877.667" BBK_DIFF="-6.0" BBK_DIFF_Y="12.2"/>
      <bbk:Obs TIME_PERIOD="1991-06" OBS_VALUE="1997.508" BBK_DIFF="24.5" BBK_DIFF_Y="-4.5"/>
      <bbk:Obs TIME_PERIOD="1991-05" OBS_VALUE="1604.857" BBK_DIFF="-6.8" BBK_DIFF_Y="-14.3"/>
      <bbk:Obs TIME_PERIOD="1991-04" OBS_VALUE="1722.635" BBK_DIFF="-21.0" BBK_DIFF_Y="-1.5"/>
      <bbk:Obs TIME_PERIOD="1991-03" OBS_VALUE="2181.041" BBK_DIFF="36.5" BBK_DIFF_Y="-0.6"/>
      <bbk:Obs TIME_PERIOD="1991-02" OBS_VALUE="1598.074" BBK_DIFF="-9.9" BBK_DIFF_Y="-12.2"/>
      <bbk:Obs TIME_PERIOD="1991-01" OBS_VALUE="1772.846" BBK_DIFF="4.4" BBK_DIFF_Y="1.0"/>
      <bbk:Obs TIME_PERIOD="1990-12" OBS_VALUE="1698.619" BBK_DIFF="-11.2" BBK_DIFF_Y="-2.3"/>
      <bbk:Obs TIME_PERIOD="1990-11" OBS_VALUE="1913.19" BBK_DIFF="-8.0" BBK_DIFF_Y="-2.5"/>
      <bbk:Obs TIME_PERIOD="1990-10" OBS_VALUE="2080.472" BBK_DIFF="9.9" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="1990-09" OBS_VALUE="1892.955" BBK_DIFF="15.5" BBK_DIFF_Y="-5.2"/>
      <bbk:Obs TIME_PERIOD="1990-08" OBS_VALUE="1639.374" BBK_DIFF="-2.0" BBK_DIFF_Y="-10.7"/>
      <bbk:Obs TIME_PERIOD="1990-07" OBS_VALUE="1672.944" BBK_DIFF="-20.1" BBK_DIFF_Y="1.0"/>
      <bbk:Obs TIME_PERIOD="1990-06" OBS_VALUE="2092.663" BBK_DIFF="11.8" BBK_DIFF_Y="-5.9"/>
      <bbk:Obs TIME_PERIOD="1990-05" OBS_VALUE="1872.4" BBK_DIFF="7.0" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="1990-04" OBS_VALUE="1749.534" BBK_DIFF="-20.3" BBK_DIFF_Y="-0.4"/>
      <bbk:Obs TIME_PERIOD="1990-03" OBS_VALUE="2194.701" BBK_DIFF="20.6" BBK_DIFF_Y="8.0"/>
      <bbk:Obs TIME_PERIOD="1990-02" OBS_VALUE="1819.946" BBK_DIFF="3.7" BBK_DIFF_Y="14.1"/>
      <bbk:Obs TIME_PERIOD="1990-01" OBS_VALUE="1755.146" BBK_DIFF="0.9" BBK_DIFF_Y="-4.4"/>
      <bbk:Obs TIME_PERIOD="1989-12" OBS_VALUE="1739.409" BBK_DIFF="-11.4" BBK_DIFF_Y="-0.4"/>
      <bbk:Obs TIME_PERIOD="1989-11" OBS_VALUE="1962.66" BBK_DIFF="-2.9" BBK_DIFF_Y="16.4"/>
      <bbk:Obs TIME_PERIOD="1989-10" OBS_VALUE="2021.13" BBK_DIFF="1.3" BBK_DIFF_Y="15.0"/>
      <bbk:Obs TIME_PERIOD="1989-09" OBS_VALUE="1996.001" BBK_DIFF="8.7" BBK_DIFF_Y="14.3"/>
      <bbk:Obs TIME_PERIOD="1989-08" OBS_VALUE="1836.172" BBK_DIFF="10.9" BBK_DIFF_Y="29.5"/>
      <bbk:Obs TIME_PERIOD="1989-07" OBS_VALUE="1656.439" BBK_DIFF="-25.5" BBK_DIFF_Y="9.4"/>
      <bbk:Obs TIME_PERIOD="1989-06" OBS_VALUE="2224.874" BBK_DIFF="30.9" BBK_DIFF_Y="19.0"/>
      <bbk:Obs TIME_PERIOD="1989-05" OBS_VALUE="1699.354" BBK_DIFF="-3.3" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="1989-04" OBS_VALUE="1757.187" BBK_DIFF="-13.5" BBK_DIFF_Y="7.8"/>
      <bbk:Obs TIME_PERIOD="1989-03" OBS_VALUE="2031.348" BBK_DIFF="27.3" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="1989-02" OBS_VALUE="1595.369" BBK_DIFF="-13.1" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="1989-01" OBS_VALUE="1836.254" BBK_DIFF="5.1" BBK_DIFF_Y="48.7"/>
      <bbk:Obs TIME_PERIOD="1988-12" OBS_VALUE="1747.054" BBK_DIFF="3.6" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="1988-11" OBS_VALUE="1686.394" BBK_DIFF="-4.1" BBK_DIFF_Y="3.9"/>
      <bbk:Obs TIME_PERIOD="1988-10" OBS_VALUE="1757.812" BBK_DIFF="0.6" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="1988-09" OBS_VALUE="1746.652" BBK_DIFF="23.2" BBK_DIFF_Y="-4.6"/>
      <bbk:Obs TIME_PERIOD="1988-08" OBS_VALUE="1417.745" BBK_DIFF="-6.4" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="1988-07" OBS_VALUE="1514.151" BBK_DIFF="-19.0" BBK_DIFF_Y="-3.1"/>
      <bbk:Obs TIME_PERIOD="1988-06" OBS_VALUE="1869.518" BBK_DIFF="20.5" BBK_DIFF_Y="18.3"/>
      <bbk:Obs TIME_PERIOD="1988-05" OBS_VALUE="1551.132" BBK_DIFF="-4.8" BBK_DIFF_Y="2.6"/>
      <bbk:Obs TIME_PERIOD="1988-04" OBS_VALUE="1629.964" BBK_DIFF="-15.9" BBK_DIFF_Y="2.8"/>
      <bbk:Obs TIME_PERIOD="1988-03" OBS_VALUE="1938.901" BBK_DIFF="31.3" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="1988-02" OBS_VALUE="1476.207" BBK_DIFF="19.6" BBK_DIFF_Y="-2.4"/>
      <bbk:Obs TIME_PERIOD="1988-01" OBS_VALUE="1234.537" BBK_DIFF="-25.2" BBK_DIFF_Y="-2.2"/>
      <bbk:Obs TIME_PERIOD="1987-12" OBS_VALUE="1650.116" BBK_DIFF="1.7" BBK_DIFF_Y="-0.6"/>
      <bbk:Obs TIME_PERIOD="1987-11" OBS_VALUE="1622.51" BBK_DIFF="-2.4" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="1987-10" OBS_VALUE="1662.948" BBK_DIFF="-9.1" BBK_DIFF_Y="-3.1"/>
      <bbk:Obs TIME_PERIOD="1987-09" OBS_VALUE="1830.144" BBK_DIFF="42.6" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="1987-08" OBS_VALUE="1282.977" BBK_DIFF="-17.9" BBK_DIFF_Y="-13.6"/>
      <bbk:Obs TIME_PERIOD="1987-07" OBS_VALUE="1563.212" BBK_DIFF="-1.0" BBK_DIFF_Y="-6.0"/>
      <bbk:Obs TIME_PERIOD="1987-06" OBS_VALUE="1579.746" BBK_DIFF="4.5" BBK_DIFF_Y="-4.5"/>
      <bbk:Obs TIME_PERIOD="1987-05" OBS_VALUE="1511.665" BBK_DIFF="-4.6" BBK_DIFF_Y="-9.3"/>
      <bbk:Obs TIME_PERIOD="1987-04" OBS_VALUE="1585.296" BBK_DIFF="-8.4" BBK_DIFF_Y="-8.7"/>
      <bbk:Obs TIME_PERIOD="1987-03" OBS_VALUE="1730.821" BBK_DIFF="14.4" BBK_DIFF_Y="1.2"/>
      <bbk:Obs TIME_PERIOD="1987-02" OBS_VALUE="1513.04" BBK_DIFF="19.8" BBK_DIFF_Y="-11.7"/>
      <bbk:Obs TIME_PERIOD="1987-01" OBS_VALUE="1262.524" BBK_DIFF="-24.0" BBK_DIFF_Y="-17.7"/>
      <bbk:Obs TIME_PERIOD="1986-12" OBS_VALUE="1660.309" BBK_DIFF="10.9" BBK_DIFF_Y="-0.7"/>
      <bbk:Obs TIME_PERIOD="1986-11" OBS_VALUE="1496.833" BBK_DIFF="-12.8" BBK_DIFF_Y="-8.7"/>
      <bbk:Obs TIME_PERIOD="1986-10" OBS_VALUE="1716.23" BBK_DIFF="-3.2" BBK_DIFF_Y="-2.6"/>
      <bbk:Obs TIME_PERIOD="1986-09" OBS_VALUE="1773.498" BBK_DIFF="19.5" BBK_DIFF_Y="-3.9"/>
      <bbk:Obs TIME_PERIOD="1986-08" OBS_VALUE="1484.305" BBK_DIFF="-10.7" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="1986-07" OBS_VALUE="1662.269" BBK_DIFF="0.5" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="1986-06" OBS_VALUE="1654.298" BBK_DIFF="-0.7" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="1986-05" OBS_VALUE="1666.436" BBK_DIFF="-4.0" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="1986-04" OBS_VALUE="1735.625" BBK_DIFF="1.5" BBK_DIFF_Y="19.5"/>
      <bbk:Obs TIME_PERIOD="1986-03" OBS_VALUE="1709.911" BBK_DIFF="-0.3" BBK_DIFF_Y="9.3"/>
      <bbk:Obs TIME_PERIOD="1986-02" OBS_VALUE="1714.391" BBK_DIFF="11.8" BBK_DIFF_Y="24.8"/>
      <bbk:Obs TIME_PERIOD="1986-01" OBS_VALUE="1533.754" BBK_DIFF="-8.3" BBK_DIFF_Y="5.5"/>
      <bbk:Obs TIME_PERIOD="1985-12" OBS_VALUE="1672.687" BBK_DIFF="2.0" BBK_DIFF_Y="-3.4"/>
      <bbk:Obs TIME_PERIOD="1985-11" OBS_VALUE="1639.689" BBK_DIFF="-6.9" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="1985-10" OBS_VALUE="1761.176" BBK_DIFF="-4.6" BBK_DIFF_Y="17.5"/>
      <bbk:Obs TIME_PERIOD="1985-09" OBS_VALUE="1846.35" BBK_DIFF="37.5" BBK_DIFF_Y="21.8"/>
      <bbk:Obs TIME_PERIOD="1985-08" OBS_VALUE="1342.944" BBK_DIFF="-12.5" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="1985-07" OBS_VALUE="1535.374" BBK_DIFF="-3.9" BBK_DIFF_Y="31.6"/>
      <bbk:Obs TIME_PERIOD="1985-06" OBS_VALUE="1598.173" BBK_DIFF="1.8" BBK_DIFF_Y="27.7"/>
      <bbk:Obs TIME_PERIOD="1985-05" OBS_VALUE="1569.774" BBK_DIFF="8.1" BBK_DIFF_Y="14.0"/>
      <bbk:Obs TIME_PERIOD="1985-04" OBS_VALUE="1452.812" BBK_DIFF="-7.1" BBK_DIFF_Y="13.6"/>
      <bbk:Obs TIME_PERIOD="1985-03" OBS_VALUE="1564.103" BBK_DIFF="13.9" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="1985-02" OBS_VALUE="1373.624" BBK_DIFF="-5.5" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="1985-01" OBS_VALUE="1453.792" BBK_DIFF="-16.0" BBK_DIFF_Y="34.2"/>
      <bbk:Obs TIME_PERIOD="1984-12" OBS_VALUE="1730.752" BBK_DIFF="14.4" BBK_DIFF_Y="41.2"/>
      <bbk:Obs TIME_PERIOD="1984-11" OBS_VALUE="1512.838" BBK_DIFF="0.9" BBK_DIFF_Y="14.7"/>
      <bbk:Obs TIME_PERIOD="1984-10" OBS_VALUE="1499.281" BBK_DIFF="-1.1" BBK_DIFF_Y="17.6"/>
      <bbk:Obs TIME_PERIOD="1984-09" OBS_VALUE="1516.262" BBK_DIFF="23.0" BBK_DIFF_Y="7.4"/>
      <bbk:Obs TIME_PERIOD="1984-08" OBS_VALUE="1233.089" BBK_DIFF="5.7" BBK_DIFF_Y="4.0"/>
      <bbk:Obs TIME_PERIOD="1984-07" OBS_VALUE="1166.532" BBK_DIFF="-6.8" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="1984-06" OBS_VALUE="1251.927" BBK_DIFF="-9.0" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="1984-05" OBS_VALUE="1376.46" BBK_DIFF="7.6" BBK_DIFF_Y="13.4"/>
      <bbk:Obs TIME_PERIOD="1984-04" OBS_VALUE="1279.405" BBK_DIFF="-10.3" BBK_DIFF_Y="12.8"/>
      <bbk:Obs TIME_PERIOD="1984-03" OBS_VALUE="1426.58" BBK_DIFF="9.9" BBK_DIFF_Y="13.7"/>
      <bbk:Obs TIME_PERIOD="1984-02" OBS_VALUE="1298.049" BBK_DIFF="19.8" BBK_DIFF_Y="17.1"/>
      <bbk:Obs TIME_PERIOD="1984-01" OBS_VALUE="1083.337" BBK_DIFF="-11.6" BBK_DIFF_Y="0.4"/>
      <bbk:Obs TIME_PERIOD="1983-12" OBS_VALUE="1226.063" BBK_DIFF="-7.0" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="1983-11" OBS_VALUE="1318.515" BBK_DIFF="3.4" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1983-10" OBS_VALUE="1274.716" BBK_DIFF="-9.7" BBK_DIFF_Y="0.6"/>
      <bbk:Obs TIME_PERIOD="1983-09" OBS_VALUE="1412.323" BBK_DIFF="19.1" BBK_DIFF_Y="8.6"/>
      <bbk:Obs TIME_PERIOD="1983-08" OBS_VALUE="1185.835" BBK_DIFF="8.4" BBK_DIFF_Y="7.6"/>
      <bbk:Obs TIME_PERIOD="1983-07" OBS_VALUE="1093.621" BBK_DIFF="-6.9" BBK_DIFF_Y="-1.6"/>
      <bbk:Obs TIME_PERIOD="1983-06" OBS_VALUE="1175.204" BBK_DIFF="-3.2" BBK_DIFF_Y="-11.6"/>
      <bbk:Obs TIME_PERIOD="1983-05" OBS_VALUE="1214.321" BBK_DIFF="7.0" BBK_DIFF_Y="16.9"/>
      <bbk:Obs TIME_PERIOD="1983-04" OBS_VALUE="1134.487" BBK_DIFF="-9.6" BBK_DIFF_Y="-7.9"/>
      <bbk:Obs TIME_PERIOD="1983-03" OBS_VALUE="1255.033" BBK_DIFF="13.2" BBK_DIFF_Y="-10.5"/>
      <bbk:Obs TIME_PERIOD="1983-02" OBS_VALUE="1108.891" BBK_DIFF="2.8" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="1983-01" OBS_VALUE="1079.123" BBK_DIFF="-0.3" BBK_DIFF_Y="29.2"/>
      <bbk:Obs TIME_PERIOD="1982-12" OBS_VALUE="1082.17" BBK_DIFF="-4.3" BBK_DIFF_Y="-7.9"/>
      <bbk:Obs TIME_PERIOD="1982-11" OBS_VALUE="1130.78" BBK_DIFF="-10.8" BBK_DIFF_Y="-10.8"/>
      <bbk:Obs TIME_PERIOD="1982-10" OBS_VALUE="1266.989" BBK_DIFF="-2.6" BBK_DIFF_Y="0.8"/>
      <bbk:Obs TIME_PERIOD="1982-09" OBS_VALUE="1300.898" BBK_DIFF="18.0" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="1982-08" OBS_VALUE="1102.044" BBK_DIFF="-0.8" BBK_DIFF_Y="0.5"/>
      <bbk:Obs TIME_PERIOD="1982-07" OBS_VALUE="1111.4" BBK_DIFF="-16.4" BBK_DIFF_Y="-9.1"/>
      <bbk:Obs TIME_PERIOD="1982-06" OBS_VALUE="1329.258" BBK_DIFF="27.9" BBK_DIFF_Y="24.5"/>
      <bbk:Obs TIME_PERIOD="1982-05" OBS_VALUE="1039.088" BBK_DIFF="-15.6" BBK_DIFF_Y="57.8"/>
      <bbk:Obs TIME_PERIOD="1982-04" OBS_VALUE="1231.695" BBK_DIFF="-12.1" BBK_DIFF_Y="1.1"/>
      <bbk:Obs TIME_PERIOD="1982-03" OBS_VALUE="1401.645" BBK_DIFF="24.1" BBK_DIFF_Y="15.1"/>
      <bbk:Obs TIME_PERIOD="1982-02" OBS_VALUE="1129.377" BBK_DIFF="35.2" BBK_DIFF_Y="-3.7"/>
      <bbk:Obs TIME_PERIOD="1982-01" OBS_VALUE="835.065" BBK_DIFF="-29.0" BBK_DIFF_Y="-23.7"/>
      <bbk:Obs TIME_PERIOD="1981-12" OBS_VALUE="1175.575" BBK_DIFF="-7.3" BBK_DIFF_Y="3.0"/>
      <bbk:Obs TIME_PERIOD="1981-11" OBS_VALUE="1268.312" BBK_DIFF="0.9" BBK_DIFF_Y="32.1"/>
      <bbk:Obs TIME_PERIOD="1981-10" OBS_VALUE="1257.28" BBK_DIFF="4.8" BBK_DIFF_Y="33.1"/>
      <bbk:Obs TIME_PERIOD="1981-09" OBS_VALUE="1199.71" BBK_DIFF="9.4" BBK_DIFF_Y="11.3"/>
      <bbk:Obs TIME_PERIOD="1981-08" OBS_VALUE="1096.476" BBK_DIFF="-10.4" BBK_DIFF_Y="54.6"/>
      <bbk:Obs TIME_PERIOD="1981-07" OBS_VALUE="1223.124" BBK_DIFF="14.6" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1981-06" OBS_VALUE="1067.49" BBK_DIFF="62.1" BBK_DIFF_Y="3.9"/>
      <bbk:Obs TIME_PERIOD="1981-05" OBS_VALUE="658.617" BBK_DIFF="-45.9" BBK_DIFF_Y="-29.6"/>
      <bbk:Obs TIME_PERIOD="1981-04" OBS_VALUE="1217.741" BBK_DIFF="0.0" BBK_DIFF_Y="1.8"/>
      <bbk:Obs TIME_PERIOD="1981-03" OBS_VALUE="1217.742" BBK_DIFF="3.8" BBK_DIFF_Y="18.6"/>
      <bbk:Obs TIME_PERIOD="1981-02" OBS_VALUE="1173.237" BBK_DIFF="7.2" BBK_DIFF_Y="7.7"/>
      <bbk:Obs TIME_PERIOD="1981-01" OBS_VALUE="1094.047" BBK_DIFF="-4.2" BBK_DIFF_Y="-0.9"/>
      <bbk:Obs TIME_PERIOD="1980-12" OBS_VALUE="1141.501" BBK_DIFF="18.9" BBK_DIFF_Y="22.0"/>
      <bbk:Obs TIME_PERIOD="1980-11" OBS_VALUE="960.098" BBK_DIFF="1.6" BBK_DIFF_Y="-0.5"/>
      <bbk:Obs TIME_PERIOD="1980-10" OBS_VALUE="944.843" BBK_DIFF="-12.3" BBK_DIFF_Y="-3.5"/>
      <bbk:Obs TIME_PERIOD="1980-09" OBS_VALUE="1077.817" BBK_DIFF="52.0" BBK_DIFF_Y="28.3"/>
      <bbk:Obs TIME_PERIOD="1980-08" OBS_VALUE="709.28" BBK_DIFF="-32.4" BBK_DIFF_Y="14.4"/>
      <bbk:Obs TIME_PERIOD="1980-07" OBS_VALUE="1049.058" BBK_DIFF="2.1" BBK_DIFF_Y="31.7"/>
      <bbk:Obs TIME_PERIOD="1980-06" OBS_VALUE="1027.885" BBK_DIFF="9.9" BBK_DIFF_Y="53.4"/>
      <bbk:Obs TIME_PERIOD="1980-05" OBS_VALUE="935.071" BBK_DIFF="-21.8" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="1980-04" OBS_VALUE="1195.691" BBK_DIFF="16.4" BBK_DIFF_Y="48.4"/>
      <bbk:Obs TIME_PERIOD="1980-03" OBS_VALUE="1026.986" BBK_DIFF="-5.7" BBK_DIFF_Y="7.6"/>
      <bbk:Obs TIME_PERIOD="1980-02" OBS_VALUE="1088.878" BBK_DIFF="-1.4" BBK_DIFF_Y="44.3"/>
      <bbk:Obs TIME_PERIOD="1980-01" OBS_VALUE="1104.263" BBK_DIFF="18.0" BBK_DIFF_Y="63.9"/>
      <bbk:Obs TIME_PERIOD="1979-12" OBS_VALUE="935.528" BBK_DIFF="-3.0" BBK_DIFF_Y="17.3"/>
      <bbk:Obs TIME_PERIOD="1979-11" OBS_VALUE="964.837" BBK_DIFF="-1.5" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="1979-10" OBS_VALUE="979.399" BBK_DIFF="16.6" BBK_DIFF_Y="21.8"/>
      <bbk:Obs TIME_PERIOD="1979-09" OBS_VALUE="839.875" BBK_DIFF="35.5" BBK_DIFF_Y="0.7"/>
      <bbk:Obs TIME_PERIOD="1979-08" OBS_VALUE="620.057" BBK_DIFF="-22.1" BBK_DIFF_Y="-23.7"/>
      <bbk:Obs TIME_PERIOD="1979-07" OBS_VALUE="796.33" BBK_DIFF="18.9" BBK_DIFF_Y="12.2"/>
      <bbk:Obs TIME_PERIOD="1979-06" OBS_VALUE="669.94" BBK_DIFF="-23.6" BBK_DIFF_Y="-20.1"/>
      <bbk:Obs TIME_PERIOD="1979-05" OBS_VALUE="876.718" BBK_DIFF="8.8" BBK_DIFF_Y="18.9"/>
      <bbk:Obs TIME_PERIOD="1979-04" OBS_VALUE="805.979" BBK_DIFF="-15.5" BBK_DIFF_Y="14.3"/>
      <bbk:Obs TIME_PERIOD="1979-03" OBS_VALUE="954.136" BBK_DIFF="26.4" BBK_DIFF_Y="26.2"/>
      <bbk:Obs TIME_PERIOD="1979-02" OBS_VALUE="754.617" BBK_DIFF="12.0" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="1979-01" OBS_VALUE="673.62" BBK_DIFF="-15.5" BBK_DIFF_Y="-6.2"/>
      <bbk:Obs TIME_PERIOD="1978-12" OBS_VALUE="797.359" BBK_DIFF="-12.6" BBK_DIFF_Y="-3.4"/>
      <bbk:Obs TIME_PERIOD="1978-11" OBS_VALUE="912.821" BBK_DIFF="13.5" BBK_DIFF_Y="23.4"/>
      <bbk:Obs TIME_PERIOD="1978-10" OBS_VALUE="804.167" BBK_DIFF="-3.5" BBK_DIFF_Y="4.7"/>
      <bbk:Obs TIME_PERIOD="1978-09" OBS_VALUE="833.654" BBK_DIFF="2.6" BBK_DIFF_Y="16.0"/>
      <bbk:Obs TIME_PERIOD="1978-08" OBS_VALUE="812.575" BBK_DIFF="14.4" BBK_DIFF_Y="25.4"/>
      <bbk:Obs TIME_PERIOD="1978-07" OBS_VALUE="709.994" BBK_DIFF="-15.3" BBK_DIFF_Y="-1.1"/>
      <bbk:Obs TIME_PERIOD="1978-06" OBS_VALUE="837.989" BBK_DIFF="13.7" BBK_DIFF_Y="16.7"/>
      <bbk:Obs TIME_PERIOD="1978-05" OBS_VALUE="737.294" BBK_DIFF="4.5" BBK_DIFF_Y="8.7"/>
      <bbk:Obs TIME_PERIOD="1978-04" OBS_VALUE="705.272" BBK_DIFF="-6.7" BBK_DIFF_Y="7.0"/>
      <bbk:Obs TIME_PERIOD="1978-03" OBS_VALUE="756.258" BBK_DIFF="8.7" BBK_DIFF_Y="-4.0"/>
      <bbk:Obs TIME_PERIOD="1978-02" OBS_VALUE="695.9" BBK_DIFF="-3.1" BBK_DIFF_Y="-7.4"/>
      <bbk:Obs TIME_PERIOD="1978-01" OBS_VALUE="717.817" BBK_DIFF="-13.1" BBK_DIFF_Y="22.9"/>
      <bbk:Obs TIME_PERIOD="1977-12" OBS_VALUE="825.683" BBK_DIFF="11.6" BBK_DIFF_Y="19.4"/>
      <bbk:Obs TIME_PERIOD="1977-11" OBS_VALUE="739.989" BBK_DIFF="-3.7" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="1977-10" OBS_VALUE="768.134" BBK_DIFF="6.9" BBK_DIFF_Y="1.5"/>
      <bbk:Obs TIME_PERIOD="1977-09" OBS_VALUE="718.867" BBK_DIFF="10.9" BBK_DIFF_Y="12.9"/>
      <bbk:Obs TIME_PERIOD="1977-08" OBS_VALUE="648.057" BBK_DIFF="-9.7" BBK_DIFF_Y="-7.0"/>
      <bbk:Obs TIME_PERIOD="1977-07" OBS_VALUE="717.787" BBK_DIFF="0.0" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="1977-06" OBS_VALUE="717.993" BBK_DIFF="5.9" BBK_DIFF_Y="52.3"/>
      <bbk:Obs TIME_PERIOD="1977-05" OBS_VALUE="678.309" BBK_DIFF="2.9" BBK_DIFF_Y="-13.2"/>
      <bbk:Obs TIME_PERIOD="1977-04" OBS_VALUE="659.2" BBK_DIFF="-16.3" BBK_DIFF_Y="3.3"/>
      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="787.691" BBK_DIFF="4.8" BBK_DIFF_Y="27.0"/>
      <bbk:Obs TIME_PERIOD="1977-02" OBS_VALUE="751.664" BBK_DIFF="28.7" BBK_DIFF_Y="21.7"/>
      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="584.06" BBK_DIFF="-15.6" BBK_DIFF_Y="21.3"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="691.793" BBK_DIFF="2.4" BBK_DIFF_Y="47.6"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="675.783" BBK_DIFF="-10.7" BBK_DIFF_Y="26.4"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="756.866" BBK_DIFF="18.9" BBK_DIFF_Y="12.9"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="636.59" BBK_DIFF="-8.6" BBK_DIFF_Y="26.3"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="696.753" BBK_DIFF="2.6" BBK_DIFF_Y="47.0"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="678.859" BBK_DIFF="44.0" BBK_DIFF_Y="20.1"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="471.53" BBK_DIFF="-39.6" BBK_DIFF_Y="-5.6"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="781.294" BBK_DIFF="22.4" BBK_DIFF_Y="45.1"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="638.288" BBK_DIFF="2.9" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="620.081" BBK_DIFF="0.4" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="617.616" BBK_DIFF="28.3" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="481.488" BBK_DIFF="2.8" BBK_DIFF_Y="-6.0"/>
      <bbk:Obs TIME_PERIOD="1975-12" OBS_VALUE="468.566" BBK_DIFF="-12.4" BBK_DIFF_Y="-0.1"/>
      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="534.644" BBK_DIFF="-20.3" BBK_DIFF_Y="-18.4"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="670.601" BBK_DIFF="33.1" BBK_DIFF_Y="-0.8"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="503.836" BBK_DIFF="6.3" BBK_DIFF_Y="-7.9"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="473.872" BBK_DIFF="-16.2" BBK_DIFF_Y="-19.7"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="565.473" BBK_DIFF="13.2" BBK_DIFF_Y="-17.1"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="499.467" BBK_DIFF="-7.3" BBK_DIFF_Y="7.4"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="538.545" BBK_DIFF="-10.1" BBK_DIFF_Y="-18.7"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="599.128" BBK_DIFF="8.1" BBK_DIFF_Y="-0.4"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="554.114" BBK_DIFF="-8.5" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="605.309" BBK_DIFF="18.2" BBK_DIFF_Y="5.5"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="512.164" BBK_DIFF="9.2" BBK_DIFF_Y="-18.2"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="468.836" BBK_DIFF="-28.4" BBK_DIFF_Y="23.3"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="654.911" BBK_DIFF="-3.1" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="675.904" BBK_DIFF="23.5" BBK_DIFF_Y="5.0"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="547.215" BBK_DIFF="-7.2" BBK_DIFF_Y="24.7"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="589.879" BBK_DIFF="-13.5" BBK_DIFF_Y="24.4"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="681.786" BBK_DIFF="46.6" BBK_DIFF_Y="32.2"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="464.966" BBK_DIFF="-29.8" BBK_DIFF_Y="20.3"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="662.305" BBK_DIFF="10.1" BBK_DIFF_Y="2.2"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="601.335" BBK_DIFF="14.7" BBK_DIFF_Y="17.5"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="524.409" BBK_DIFF="-8.6" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="573.862" BBK_DIFF="-8.4" BBK_DIFF_Y="17.9"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="626.463" BBK_DIFF="64.8" BBK_DIFF_Y="39.1"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="380.226" BBK_DIFF="-39.3" BBK_DIFF_Y="-11.4"/>
      <bbk:Obs TIME_PERIOD="1973-11" OBS_VALUE="626.626" BBK_DIFF="-2.6" BBK_DIFF_Y="22.3"/>
      <bbk:Obs TIME_PERIOD="1973-10" OBS_VALUE="643.577" BBK_DIFF="46.6" BBK_DIFF_Y="26.6"/>
      <bbk:Obs TIME_PERIOD="1973-09" OBS_VALUE="438.893" BBK_DIFF="-7.4" BBK_DIFF_Y="12.8"/>
      <bbk:Obs TIME_PERIOD="1973-08" OBS_VALUE="474.01" BBK_DIFF="-8.1" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="1973-07" OBS_VALUE="515.88" BBK_DIFF="33.5" BBK_DIFF_Y="19.5"/>
      <bbk:Obs TIME_PERIOD="1973-06" OBS_VALUE="386.378" BBK_DIFF="-40.4" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="1973-05" OBS_VALUE="647.899" BBK_DIFF="26.6" BBK_DIFF_Y="44.6"/>
      <bbk:Obs TIME_PERIOD="1973-04" OBS_VALUE="511.581" BBK_DIFF="10.5" BBK_DIFF_Y="20.2"/>
      <bbk:Obs TIME_PERIOD="1973-03" OBS_VALUE="462.969" BBK_DIFF="-4.9" BBK_DIFF_Y="9.9"/>
      <bbk:Obs TIME_PERIOD="1973-02" OBS_VALUE="486.823" BBK_DIFF="8.1" BBK_DIFF_Y="8.2"/>
      <bbk:Obs TIME_PERIOD="1973-01" OBS_VALUE="450.304" BBK_DIFF="4.9" BBK_DIFF_Y="2.7"/>
      <bbk:Obs TIME_PERIOD="1972-12" OBS_VALUE="429.15" BBK_DIFF="-16.3" BBK_DIFF_Y="13.2"/>
      <bbk:Obs TIME_PERIOD="1972-11" OBS_VALUE="512.525" BBK_DIFF="0.8" BBK_DIFF_Y="16.9"/>
      <bbk:Obs TIME_PERIOD="1972-10" OBS_VALUE="508.478" BBK_DIFF="30.7" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="1972-09" OBS_VALUE="389.138" BBK_DIFF="-9.5" BBK_DIFF_Y="5.5"/>
      <bbk:Obs TIME_PERIOD="1972-08" OBS_VALUE="430.145" BBK_DIFF="-0.4" BBK_DIFF_Y="10.8"/>
      <bbk:Obs TIME_PERIOD="1972-07" OBS_VALUE="431.778" BBK_DIFF="15.0" BBK_DIFF_Y="-3.5"/>
      <bbk:Obs TIME_PERIOD="1972-06" OBS_VALUE="375.543" BBK_DIFF="-16.2" BBK_DIFF_Y="-4.9"/>
      <bbk:Obs TIME_PERIOD="1972-05" OBS_VALUE="447.942" BBK_DIFF="5.2" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="425.781" BBK_DIFF="1.1" BBK_DIFF_Y="1.4"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="421.155" BBK_DIFF="-6.4" BBK_DIFF_Y="-2.8"/>
      <bbk:Obs TIME_PERIOD="1972-02" OBS_VALUE="450.096" BBK_DIFF="2.7" BBK_DIFF_Y="9.2"/>
      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="438.315" BBK_DIFF="15.6" BBK_DIFF_Y="28.4"/>
      <bbk:Obs TIME_PERIOD="1971-12" OBS_VALUE="379.073" BBK_DIFF="-13.6"/>
      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="438.526" BBK_DIFF="-4.1"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="457.385" BBK_DIFF="24.1"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="368.681" BBK_DIFF="-5.0"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="388.066" BBK_DIFF="-13.3"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="447.638" BBK_DIFF="13.4"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="394.89" BBK_DIFF="-2.4"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="404.669" BBK_DIFF="-3.6"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="419.973" BBK_DIFF="-3.1"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="433.271" BBK_DIFF="5.2"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="411.993" BBK_DIFF="20.7"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="341.284"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
