<?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_W1_S1_S1_T_D_SJ2__Z__Z__Z_EUR__T__X_N_ALL</ID>
    <Test>false</Test>
    <Truncated>false</Truncated>
    <Prepared>2026-04-17T11:49:51</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.W1.S1.S1.T.D.SJ2._Z._Z._Z.EUR._T._X.N.ALL" DECIMALS="3" UNIT="Euro" UNIT_MULT="6" BBK_TITLE="Leistungsbilanz / Dienstleistungen / Sonst. unternehmensbez. DL / Freiberufl. DL und Managementberatungsleist. / Ausgaben / Alle Länder" BBK_TITLE_ENG="Current account / Services / Other business services / Professional and management consulting services / Expenditure / Rest of the world">
      <bbk:Obs TIME_PERIOD="2026-02" OBS_VALUE="4132.099" BBK_DIFF="-22.7" BBK_DIFF_Y="-6.8"/>
      <bbk:Obs TIME_PERIOD="2026-01" OBS_VALUE="5346.451" BBK_DIFF="-8.0" BBK_DIFF_Y="-1.7"/>
      <bbk:Obs TIME_PERIOD="2025-12" OBS_VALUE="5814.114" BBK_DIFF="28.0" BBK_DIFF_Y="-4.0"/>
      <bbk:Obs TIME_PERIOD="2025-11" OBS_VALUE="4542.892" BBK_DIFF="-1.3" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="2025-10" OBS_VALUE="4601.815" BBK_DIFF="1.1" BBK_DIFF_Y="-0.6"/>
      <bbk:Obs TIME_PERIOD="2025-09" OBS_VALUE="4552.29" BBK_DIFF="4.6" BBK_DIFF_Y="2.2"/>
      <bbk:Obs TIME_PERIOD="2025-08" OBS_VALUE="4352.269" BBK_DIFF="-10.1" BBK_DIFF_Y="8.8"/>
      <bbk:Obs TIME_PERIOD="2025-07" OBS_VALUE="4839.568" BBK_DIFF="1.1" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="2025-06" OBS_VALUE="4786.75" BBK_DIFF="9.1" BBK_DIFF_Y="7.6"/>
      <bbk:Obs TIME_PERIOD="2025-05" OBS_VALUE="4387.207" BBK_DIFF="-4.2" BBK_DIFF_Y="6.6"/>
      <bbk:Obs TIME_PERIOD="2025-04" OBS_VALUE="4579.065" BBK_DIFF="-1.9" BBK_DIFF_Y="9.3"/>
      <bbk:Obs TIME_PERIOD="2025-03" OBS_VALUE="4665.723" BBK_DIFF="5.3" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="2025-02" OBS_VALUE="4432.937" BBK_DIFF="-18.5" BBK_DIFF_Y="15.3"/>
      <bbk:Obs TIME_PERIOD="2025-01" OBS_VALUE="5437.803" BBK_DIFF="-10.2" BBK_DIFF_Y="24.9"/>
      <bbk:Obs TIME_PERIOD="2024-12" OBS_VALUE="6055.456" BBK_DIFF="35.9" BBK_DIFF_Y="6.4"/>
      <bbk:Obs TIME_PERIOD="2024-11" OBS_VALUE="4455.064" BBK_DIFF="-3.8" BBK_DIFF_Y="9.0"/>
      <bbk:Obs TIME_PERIOD="2024-10" OBS_VALUE="4629.145" BBK_DIFF="4.0" BBK_DIFF_Y="11.0"/>
      <bbk:Obs TIME_PERIOD="2024-09" OBS_VALUE="4453.069" BBK_DIFF="11.3" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="2024-08" OBS_VALUE="4001.75" BBK_DIFF="-11.9" BBK_DIFF_Y="3.9"/>
      <bbk:Obs TIME_PERIOD="2024-07" OBS_VALUE="4542.527" BBK_DIFF="2.1" BBK_DIFF_Y="17.7"/>
      <bbk:Obs TIME_PERIOD="2024-06" OBS_VALUE="4449.965" BBK_DIFF="8.1" BBK_DIFF_Y="11.5"/>
      <bbk:Obs TIME_PERIOD="2024-05" OBS_VALUE="4114.674" BBK_DIFF="-1.8" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="2024-04" OBS_VALUE="4191.262" BBK_DIFF="-4.9" BBK_DIFF_Y="20.6"/>
      <bbk:Obs TIME_PERIOD="2024-03" OBS_VALUE="4407.201" BBK_DIFF="14.6" BBK_DIFF_Y="9.4"/>
      <bbk:Obs TIME_PERIOD="2024-02" OBS_VALUE="3844.482" BBK_DIFF="-11.7" BBK_DIFF_Y="13.2"/>
      <bbk:Obs TIME_PERIOD="2024-01" OBS_VALUE="4354.393" BBK_DIFF="-23.5" BBK_DIFF_Y="4.0"/>
      <bbk:Obs TIME_PERIOD="2023-12" OBS_VALUE="5692.295" BBK_DIFF="39.3" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="2023-11" OBS_VALUE="4086.327" BBK_DIFF="-2.0" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="2023-10" OBS_VALUE="4171.316" BBK_DIFF="3.3" BBK_DIFF_Y="19.4"/>
      <bbk:Obs TIME_PERIOD="2023-09" OBS_VALUE="4039.142" BBK_DIFF="4.8" BBK_DIFF_Y="11.6"/>
      <bbk:Obs TIME_PERIOD="2023-08" OBS_VALUE="3852.374" BBK_DIFF="-0.2" BBK_DIFF_Y="13.2"/>
      <bbk:Obs TIME_PERIOD="2023-07" OBS_VALUE="3859.781" BBK_DIFF="-3.3" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="2023-06" OBS_VALUE="3992.789" BBK_DIFF="8.5" BBK_DIFF_Y="14.2"/>
      <bbk:Obs TIME_PERIOD="2023-05" OBS_VALUE="3678.437" BBK_DIFF="5.8" BBK_DIFF_Y="9.2"/>
      <bbk:Obs TIME_PERIOD="2023-04" OBS_VALUE="3476.574" BBK_DIFF="-13.7" BBK_DIFF_Y="4.9"/>
      <bbk:Obs TIME_PERIOD="2023-03" OBS_VALUE="4029.489" BBK_DIFF="18.6" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="2023-02" OBS_VALUE="3396.176" BBK_DIFF="-18.9" BBK_DIFF_Y="8.7"/>
      <bbk:Obs TIME_PERIOD="2023-01" OBS_VALUE="4187.209" BBK_DIFF="-17.7" BBK_DIFF_Y="10.1"/>
      <bbk:Obs TIME_PERIOD="2022-12" OBS_VALUE="5085.384" BBK_DIFF="28.1" BBK_DIFF_Y="5.1"/>
      <bbk:Obs TIME_PERIOD="2022-11" OBS_VALUE="3970.919" BBK_DIFF="13.7" BBK_DIFF_Y="15.5"/>
      <bbk:Obs TIME_PERIOD="2022-10" OBS_VALUE="3492.258" BBK_DIFF="-3.5" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="2022-09" OBS_VALUE="3620.505" BBK_DIFF="6.3" BBK_DIFF_Y="15.2"/>
      <bbk:Obs TIME_PERIOD="2022-08" OBS_VALUE="3404.558" BBK_DIFF="-6.6" BBK_DIFF_Y="14.6"/>
      <bbk:Obs TIME_PERIOD="2022-07" OBS_VALUE="3645.024" BBK_DIFF="4.3" BBK_DIFF_Y="20.7"/>
      <bbk:Obs TIME_PERIOD="2022-06" OBS_VALUE="3495.55" BBK_DIFF="3.7" BBK_DIFF_Y="17.7"/>
      <bbk:Obs TIME_PERIOD="2022-05" OBS_VALUE="3370.012" BBK_DIFF="1.7" BBK_DIFF_Y="18.8"/>
      <bbk:Obs TIME_PERIOD="2022-04" OBS_VALUE="3313.936" BBK_DIFF="-10.0" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="2022-03" OBS_VALUE="3680.108" BBK_DIFF="17.8" BBK_DIFF_Y="19.0"/>
      <bbk:Obs TIME_PERIOD="2022-02" OBS_VALUE="3125.207" BBK_DIFF="-17.8" BBK_DIFF_Y="15.9"/>
      <bbk:Obs TIME_PERIOD="2022-01" OBS_VALUE="3804.24" BBK_DIFF="-21.4" BBK_DIFF_Y="20.9"/>
      <bbk:Obs TIME_PERIOD="2021-12" OBS_VALUE="4840.208" BBK_DIFF="40.8" BBK_DIFF_Y="14.3"/>
      <bbk:Obs TIME_PERIOD="2021-11" OBS_VALUE="3436.848" BBK_DIFF="4.1" BBK_DIFF_Y="25.2"/>
      <bbk:Obs TIME_PERIOD="2021-10" OBS_VALUE="3301.405" BBK_DIFF="5.1" BBK_DIFF_Y="21.2"/>
      <bbk:Obs TIME_PERIOD="2021-09" OBS_VALUE="3141.694" BBK_DIFF="5.8" BBK_DIFF_Y="20.9"/>
      <bbk:Obs TIME_PERIOD="2021-08" OBS_VALUE="2970.037" BBK_DIFF="-1.6" BBK_DIFF_Y="24.4"/>
      <bbk:Obs TIME_PERIOD="2021-07" OBS_VALUE="3019.722" BBK_DIFF="1.7" BBK_DIFF_Y="15.3"/>
      <bbk:Obs TIME_PERIOD="2021-06" OBS_VALUE="2969.75" BBK_DIFF="4.7" BBK_DIFF_Y="17.1"/>
      <bbk:Obs TIME_PERIOD="2021-05" OBS_VALUE="2835.721" BBK_DIFF="-0.2" BBK_DIFF_Y="15.6"/>
      <bbk:Obs TIME_PERIOD="2021-04" OBS_VALUE="2841.84" BBK_DIFF="-8.1" BBK_DIFF_Y="-1.5"/>
      <bbk:Obs TIME_PERIOD="2021-03" OBS_VALUE="3092.073" BBK_DIFF="14.6" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="2021-02" OBS_VALUE="2697.319" BBK_DIFF="-14.3" BBK_DIFF_Y="3.0"/>
      <bbk:Obs TIME_PERIOD="2021-01" OBS_VALUE="3147.833" BBK_DIFF="-25.7" BBK_DIFF_Y="-9.2"/>
      <bbk:Obs TIME_PERIOD="2020-12" OBS_VALUE="4236.255" BBK_DIFF="54.3" BBK_DIFF_Y="5.4"/>
      <bbk:Obs TIME_PERIOD="2020-11" OBS_VALUE="2744.795" BBK_DIFF="0.7" BBK_DIFF_Y="-6.2"/>
      <bbk:Obs TIME_PERIOD="2020-10" OBS_VALUE="2724.763" BBK_DIFF="4.9" BBK_DIFF_Y="-2.2"/>
      <bbk:Obs TIME_PERIOD="2020-09" OBS_VALUE="2597.816" BBK_DIFF="8.8" BBK_DIFF_Y="-3.9"/>
      <bbk:Obs TIME_PERIOD="2020-08" OBS_VALUE="2386.808" BBK_DIFF="-8.9" BBK_DIFF_Y="-5.3"/>
      <bbk:Obs TIME_PERIOD="2020-07" OBS_VALUE="2619.753" BBK_DIFF="3.3" BBK_DIFF_Y="-14.4"/>
      <bbk:Obs TIME_PERIOD="2020-06" OBS_VALUE="2535.249" BBK_DIFF="3.3" BBK_DIFF_Y="-3.3"/>
      <bbk:Obs TIME_PERIOD="2020-05" OBS_VALUE="2453.945" BBK_DIFF="-15.0" BBK_DIFF_Y="-9.1"/>
      <bbk:Obs TIME_PERIOD="2020-04" OBS_VALUE="2885.904" BBK_DIFF="-0.6" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="2020-03" OBS_VALUE="2903.403" BBK_DIFF="10.8" BBK_DIFF_Y="13.4"/>
      <bbk:Obs TIME_PERIOD="2020-02" OBS_VALUE="2619.487" BBK_DIFF="-24.4" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="2020-01" OBS_VALUE="3465.083" BBK_DIFF="-13.8" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="2019-12" OBS_VALUE="4020.38" BBK_DIFF="37.4" BBK_DIFF_Y="3.7"/>
      <bbk:Obs TIME_PERIOD="2019-11" OBS_VALUE="2926.088" BBK_DIFF="5.1" BBK_DIFF_Y="1.2"/>
      <bbk:Obs TIME_PERIOD="2019-10" OBS_VALUE="2785.037" BBK_DIFF="3.0" BBK_DIFF_Y="15.4"/>
      <bbk:Obs TIME_PERIOD="2019-09" OBS_VALUE="2704.355" BBK_DIFF="7.3" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="2019-08" OBS_VALUE="2521.136" BBK_DIFF="-17.6" BBK_DIFF_Y="3.9"/>
      <bbk:Obs TIME_PERIOD="2019-07" OBS_VALUE="3059.09" BBK_DIFF="16.6" BBK_DIFF_Y="30.9"/>
      <bbk:Obs TIME_PERIOD="2019-06" OBS_VALUE="2622.729" BBK_DIFF="-2.8" BBK_DIFF_Y="6.2"/>
      <bbk:Obs TIME_PERIOD="2019-05" OBS_VALUE="2698.496" BBK_DIFF="-1.1" BBK_DIFF_Y="15.5"/>
      <bbk:Obs TIME_PERIOD="2019-04" OBS_VALUE="2729.105" BBK_DIFF="6.6" BBK_DIFF_Y="15.3"/>
      <bbk:Obs TIME_PERIOD="2019-03" OBS_VALUE="2560.229" BBK_DIFF="4.3" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="2019-02" OBS_VALUE="2454.706" BBK_DIFF="-20.7" BBK_DIFF_Y="21.2"/>
      <bbk:Obs TIME_PERIOD="2019-01" OBS_VALUE="3095.896" BBK_DIFF="-20.1" BBK_DIFF_Y="18.9"/>
      <bbk:Obs TIME_PERIOD="2018-12" OBS_VALUE="3875.951" BBK_DIFF="34.1" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="2018-11" OBS_VALUE="2890.745" BBK_DIFF="19.8" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="2018-10" OBS_VALUE="2412.94" BBK_DIFF="4.0" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="2018-09" OBS_VALUE="2320.099" BBK_DIFF="-4.4" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="2018-08" OBS_VALUE="2425.739" BBK_DIFF="3.8" BBK_DIFF_Y="-6.3"/>
      <bbk:Obs TIME_PERIOD="2018-07" OBS_VALUE="2336.396" BBK_DIFF="-5.4" BBK_DIFF_Y="-2.0"/>
      <bbk:Obs TIME_PERIOD="2018-06" OBS_VALUE="2469.006" BBK_DIFF="5.6" BBK_DIFF_Y="1.3"/>
      <bbk:Obs TIME_PERIOD="2018-05" OBS_VALUE="2337.314" BBK_DIFF="-1.3" BBK_DIFF_Y="-5.1"/>
      <bbk:Obs TIME_PERIOD="2018-04" OBS_VALUE="2367.581" BBK_DIFF="-4.6" BBK_DIFF_Y="0.6"/>
      <bbk:Obs TIME_PERIOD="2018-03" OBS_VALUE="2481.641" BBK_DIFF="22.5" BBK_DIFF_Y="-4.2"/>
      <bbk:Obs TIME_PERIOD="2018-02" OBS_VALUE="2025.169" BBK_DIFF="-22.2" BBK_DIFF_Y="-8.4"/>
      <bbk:Obs TIME_PERIOD="2018-01" OBS_VALUE="2603.81" BBK_DIFF="-25.6" BBK_DIFF_Y="4.7"/>
      <bbk:Obs TIME_PERIOD="2017-12" OBS_VALUE="3500.082" BBK_DIFF="37.2" BBK_DIFF_Y="-7.3"/>
      <bbk:Obs TIME_PERIOD="2017-11" OBS_VALUE="2550.856" BBK_DIFF="9.4" BBK_DIFF_Y="-13.2"/>
      <bbk:Obs TIME_PERIOD="2017-10" OBS_VALUE="2332.297" BBK_DIFF="8.7" BBK_DIFF_Y="8.0"/>
      <bbk:Obs TIME_PERIOD="2017-09" OBS_VALUE="2145.832" BBK_DIFF="-17.1" BBK_DIFF_Y="-2.2"/>
      <bbk:Obs TIME_PERIOD="2017-08" OBS_VALUE="2588.85" BBK_DIFF="8.6" BBK_DIFF_Y="28.3"/>
      <bbk:Obs TIME_PERIOD="2017-07" OBS_VALUE="2384.688" BBK_DIFF="-2.2" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="2017-06" OBS_VALUE="2437.556" BBK_DIFF="-1.0" BBK_DIFF_Y="6.0"/>
      <bbk:Obs TIME_PERIOD="2017-05" OBS_VALUE="2462.657" BBK_DIFF="4.6" BBK_DIFF_Y="20.1"/>
      <bbk:Obs TIME_PERIOD="2017-04" OBS_VALUE="2353.581" BBK_DIFF="-9.1" BBK_DIFF_Y="11.7"/>
      <bbk:Obs TIME_PERIOD="2017-03" OBS_VALUE="2590.103" BBK_DIFF="17.1" BBK_DIFF_Y="14.6"/>
      <bbk:Obs TIME_PERIOD="2017-02" OBS_VALUE="2211.505" BBK_DIFF="-11.1" BBK_DIFF_Y="11.5"/>
      <bbk:Obs TIME_PERIOD="2017-01" OBS_VALUE="2487.714" BBK_DIFF="-34.1" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="2016-12" OBS_VALUE="3775.136" BBK_DIFF="28.5" BBK_DIFF_Y="-1.5"/>
      <bbk:Obs TIME_PERIOD="2016-11" OBS_VALUE="2938.375" BBK_DIFF="36.1" BBK_DIFF_Y="17.1"/>
      <bbk:Obs TIME_PERIOD="2016-10" OBS_VALUE="2159.413" BBK_DIFF="-1.6" BBK_DIFF_Y="-9.4"/>
      <bbk:Obs TIME_PERIOD="2016-09" OBS_VALUE="2194.387" BBK_DIFF="8.7" BBK_DIFF_Y="1.8"/>
      <bbk:Obs TIME_PERIOD="2016-08" OBS_VALUE="2017.873" BBK_DIFF="-5.3" BBK_DIFF_Y="2.4"/>
      <bbk:Obs TIME_PERIOD="2016-07" OBS_VALUE="2129.869" BBK_DIFF="-7.4" BBK_DIFF_Y="-17.9"/>
      <bbk:Obs TIME_PERIOD="2016-06" OBS_VALUE="2299.17" BBK_DIFF="12.1" BBK_DIFF_Y="-2.0"/>
      <bbk:Obs TIME_PERIOD="2016-05" OBS_VALUE="2051.249" BBK_DIFF="-2.7" BBK_DIFF_Y="-5.2"/>
      <bbk:Obs TIME_PERIOD="2016-04" OBS_VALUE="2107.66" BBK_DIFF="-6.8" BBK_DIFF_Y="-3.0"/>
      <bbk:Obs TIME_PERIOD="2016-03" OBS_VALUE="2260.418" BBK_DIFF="14.0" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="2016-02" OBS_VALUE="1983.52" BBK_DIFF="-20.0" BBK_DIFF_Y="-2.3"/>
      <bbk:Obs TIME_PERIOD="2016-01" OBS_VALUE="2480.914" BBK_DIFF="-35.3" BBK_DIFF_Y="4.7"/>
      <bbk:Obs TIME_PERIOD="2015-12" OBS_VALUE="3832.402" BBK_DIFF="52.8" BBK_DIFF_Y="1.9"/>
      <bbk:Obs TIME_PERIOD="2015-11" OBS_VALUE="2508.383" BBK_DIFF="5.2" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="2015-10" OBS_VALUE="2384.333" BBK_DIFF="10.6" BBK_DIFF_Y="5.2"/>
      <bbk:Obs TIME_PERIOD="2015-09" OBS_VALUE="2156.161" BBK_DIFF="9.4" BBK_DIFF_Y="3.8"/>
      <bbk:Obs TIME_PERIOD="2015-08" OBS_VALUE="1970.951" BBK_DIFF="-24.0" BBK_DIFF_Y="-10.4"/>
      <bbk:Obs TIME_PERIOD="2015-07" OBS_VALUE="2594.504" BBK_DIFF="10.5" BBK_DIFF_Y="20.3"/>
      <bbk:Obs TIME_PERIOD="2015-06" OBS_VALUE="2347.173" BBK_DIFF="8.5" BBK_DIFF_Y="16.3"/>
      <bbk:Obs TIME_PERIOD="2015-05" OBS_VALUE="2163.864" BBK_DIFF="-0.4" BBK_DIFF_Y="8.5"/>
      <bbk:Obs TIME_PERIOD="2015-04" OBS_VALUE="2172.115" BBK_DIFF="4.0" BBK_DIFF_Y="8.0"/>
      <bbk:Obs TIME_PERIOD="2015-03" OBS_VALUE="2087.637" BBK_DIFF="2.8" BBK_DIFF_Y="0.4"/>
      <bbk:Obs TIME_PERIOD="2015-02" OBS_VALUE="2030.776" BBK_DIFF="-14.3" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="2015-01" OBS_VALUE="2370.673" BBK_DIFF="-37.0" BBK_DIFF_Y="13.7"/>
      <bbk:Obs TIME_PERIOD="2014-12" OBS_VALUE="3762.547" BBK_DIFF="65.5" BBK_DIFF_Y="26.1"/>
      <bbk:Obs TIME_PERIOD="2014-11" OBS_VALUE="2273.908" BBK_DIFF="0.3" BBK_DIFF_Y="-4.6"/>
      <bbk:Obs TIME_PERIOD="2014-10" OBS_VALUE="2266.233" BBK_DIFF="9.1" BBK_DIFF_Y="-7.2"/>
      <bbk:Obs TIME_PERIOD="2014-09" OBS_VALUE="2077.952" BBK_DIFF="-5.5" BBK_DIFF_Y="-2.4"/>
      <bbk:Obs TIME_PERIOD="2014-08" OBS_VALUE="2199.9" BBK_DIFF="2.0" BBK_DIFF_Y="12.9"/>
      <bbk:Obs TIME_PERIOD="2014-07" OBS_VALUE="2157.006" BBK_DIFF="6.8" BBK_DIFF_Y="-6.6"/>
      <bbk:Obs TIME_PERIOD="2014-06" OBS_VALUE="2018.882" BBK_DIFF="1.3" BBK_DIFF_Y="-14.7"/>
      <bbk:Obs TIME_PERIOD="2014-05" OBS_VALUE="1993.712" BBK_DIFF="-0.9" BBK_DIFF_Y="-1.1"/>
      <bbk:Obs TIME_PERIOD="2014-04" OBS_VALUE="2011.323" BBK_DIFF="-3.3" BBK_DIFF_Y="-15.7"/>
      <bbk:Obs TIME_PERIOD="2014-03" OBS_VALUE="2079.976" BBK_DIFF="11.5" BBK_DIFF_Y="-5.3"/>
      <bbk:Obs TIME_PERIOD="2014-02" OBS_VALUE="1864.832" BBK_DIFF="-10.5" BBK_DIFF_Y="-5.4"/>
      <bbk:Obs TIME_PERIOD="2014-01" OBS_VALUE="2084.567" BBK_DIFF="-30.1" BBK_DIFF_Y="-22.5"/>
      <bbk:Obs TIME_PERIOD="2013-12" OBS_VALUE="2983.42" BBK_DIFF="25.1" BBK_DIFF_Y="-6.5"/>
      <bbk:Obs TIME_PERIOD="2013-11" OBS_VALUE="2384.029" BBK_DIFF="-2.4" BBK_DIFF_Y="-6.5"/>
      <bbk:Obs TIME_PERIOD="2013-10" OBS_VALUE="2443.341" BBK_DIFF="14.7" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="2013-09" OBS_VALUE="2129.93" BBK_DIFF="9.4" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="2013-08" OBS_VALUE="1947.786" BBK_DIFF="-15.7" BBK_DIFF_Y="-10.1"/>
      <bbk:Obs TIME_PERIOD="2013-07" OBS_VALUE="2309.629" BBK_DIFF="-2.4" BBK_DIFF_Y="-1.9"/>
      <bbk:Obs TIME_PERIOD="2013-06" OBS_VALUE="2366.719" BBK_DIFF="17.4" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="2013-05" OBS_VALUE="2016.225" BBK_DIFF="-15.5" BBK_DIFF_Y="-9.5"/>
      <bbk:Obs TIME_PERIOD="2013-04" OBS_VALUE="2385.198" BBK_DIFF="8.6" BBK_DIFF_Y="15.5"/>
      <bbk:Obs TIME_PERIOD="2013-03" OBS_VALUE="2196.173" BBK_DIFF="11.4" BBK_DIFF_Y="4.3"/>
      <bbk:Obs TIME_PERIOD="2013-02" OBS_VALUE="1971.567" BBK_DIFF="-26.7" BBK_DIFF_Y="-12.4"/>
      <bbk:Obs TIME_PERIOD="2013-01" OBS_VALUE="2689.179" BBK_DIFF="-15.7" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="2012-12" OBS_VALUE="3190.986" BBK_DIFF="25.1" BBK_DIFF_Y="7.0"/>
      <bbk:Obs TIME_PERIOD="2012-11" OBS_VALUE="2550.249" BBK_DIFF="15.1" BBK_DIFF_Y="12.6"/>
      <bbk:Obs TIME_PERIOD="2012-10" OBS_VALUE="2215.339" BBK_DIFF="7.2" BBK_DIFF_Y="13.5"/>
      <bbk:Obs TIME_PERIOD="2012-09" OBS_VALUE="2065.954" BBK_DIFF="-4.7" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="2012-08" OBS_VALUE="2167.328" BBK_DIFF="-8.0" BBK_DIFF_Y="11.6"/>
      <bbk:Obs TIME_PERIOD="2012-07" OBS_VALUE="2354.678" BBK_DIFF="9.0" BBK_DIFF_Y="24.1"/>
      <bbk:Obs TIME_PERIOD="2012-06" OBS_VALUE="2159.41" BBK_DIFF="-3.1" BBK_DIFF_Y="28.5"/>
      <bbk:Obs TIME_PERIOD="2012-05" OBS_VALUE="2228.438" BBK_DIFF="7.9" BBK_DIFF_Y="9.7"/>
      <bbk:Obs TIME_PERIOD="2012-04" OBS_VALUE="2065.873" BBK_DIFF="-1.9" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="2012-03" OBS_VALUE="2105.016" BBK_DIFF="-6.5" BBK_DIFF_Y="-0.4"/>
      <bbk:Obs TIME_PERIOD="2012-02" OBS_VALUE="2251.901" BBK_DIFF="-13.6" BBK_DIFF_Y="29.8"/>
      <bbk:Obs TIME_PERIOD="2012-01" OBS_VALUE="2604.94" BBK_DIFF="-12.7" BBK_DIFF_Y="27.2"/>
      <bbk:Obs TIME_PERIOD="2011-12" OBS_VALUE="2982.883" BBK_DIFF="31.7" BBK_DIFF_Y="22.1"/>
      <bbk:Obs TIME_PERIOD="2011-11" OBS_VALUE="2264.83" BBK_DIFF="16.0" BBK_DIFF_Y="12.9"/>
      <bbk:Obs TIME_PERIOD="2011-10" OBS_VALUE="1952.081" BBK_DIFF="10.1" BBK_DIFF_Y="4.4"/>
      <bbk:Obs TIME_PERIOD="2011-09" OBS_VALUE="1772.28" BBK_DIFF="-8.8" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="2011-08" OBS_VALUE="1942.753" BBK_DIFF="2.4" BBK_DIFF_Y="22.6"/>
      <bbk:Obs TIME_PERIOD="2011-07" OBS_VALUE="1897.19" BBK_DIFF="12.9" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="2011-06" OBS_VALUE="1680.45" BBK_DIFF="-17.3" BBK_DIFF_Y="-23.7"/>
      <bbk:Obs TIME_PERIOD="2011-05" OBS_VALUE="2031.555" BBK_DIFF="6.5" BBK_DIFF_Y="30.3"/>
      <bbk:Obs TIME_PERIOD="2011-04" OBS_VALUE="1906.693" BBK_DIFF="-9.7" BBK_DIFF_Y="4.6"/>
      <bbk:Obs TIME_PERIOD="2011-03" OBS_VALUE="2112.529" BBK_DIFF="21.7" BBK_DIFF_Y="25.8"/>
      <bbk:Obs TIME_PERIOD="2011-02" OBS_VALUE="1735.329" BBK_DIFF="-15.2" BBK_DIFF_Y="19.7"/>
      <bbk:Obs TIME_PERIOD="2011-01" OBS_VALUE="2047.429" BBK_DIFF="-16.2" BBK_DIFF_Y="19.2"/>
      <bbk:Obs TIME_PERIOD="2010-12" OBS_VALUE="2442.037" BBK_DIFF="21.8" BBK_DIFF_Y="7.7"/>
      <bbk:Obs TIME_PERIOD="2010-11" OBS_VALUE="2005.168" BBK_DIFF="7.2" BBK_DIFF_Y="21.0"/>
      <bbk:Obs TIME_PERIOD="2010-10" OBS_VALUE="1869.736" BBK_DIFF="5.8" BBK_DIFF_Y="23.8"/>
      <bbk:Obs TIME_PERIOD="2010-09" OBS_VALUE="1767.412" BBK_DIFF="11.5" BBK_DIFF_Y="22.1"/>
      <bbk:Obs TIME_PERIOD="2010-08" OBS_VALUE="1585.006" BBK_DIFF="-13.8" BBK_DIFF_Y="14.7"/>
      <bbk:Obs TIME_PERIOD="2010-07" OBS_VALUE="1838.844" BBK_DIFF="-16.5" BBK_DIFF_Y="18.0"/>
      <bbk:Obs TIME_PERIOD="2010-06" OBS_VALUE="2201.293" BBK_DIFF="41.2" BBK_DIFF_Y="36.2"/>
      <bbk:Obs TIME_PERIOD="2010-05" OBS_VALUE="1558.944" BBK_DIFF="-14.5" BBK_DIFF_Y="11.3"/>
      <bbk:Obs TIME_PERIOD="2010-04" OBS_VALUE="1823.147" BBK_DIFF="8.5" BBK_DIFF_Y="9.3"/>
      <bbk:Obs TIME_PERIOD="2010-03" OBS_VALUE="1679.878" BBK_DIFF="15.9" BBK_DIFF_Y="-0.2"/>
      <bbk:Obs TIME_PERIOD="2010-02" OBS_VALUE="1450.0" BBK_DIFF="-15.6" BBK_DIFF_Y="9.3"/>
      <bbk:Obs TIME_PERIOD="2010-01" OBS_VALUE="1717.377" BBK_DIFF="-24.3" BBK_DIFF_Y="-15.0"/>
      <bbk:Obs TIME_PERIOD="2009-12" OBS_VALUE="2267.706" BBK_DIFF="36.8" BBK_DIFF_Y="-9.9"/>
      <bbk:Obs TIME_PERIOD="2009-11" OBS_VALUE="1657.554" BBK_DIFF="9.8" BBK_DIFF_Y="2.7"/>
      <bbk:Obs TIME_PERIOD="2009-10" OBS_VALUE="1510.211" BBK_DIFF="4.3" BBK_DIFF_Y="-3.8"/>
      <bbk:Obs TIME_PERIOD="2009-09" OBS_VALUE="1447.783" BBK_DIFF="4.8" BBK_DIFF_Y="-4.6"/>
      <bbk:Obs TIME_PERIOD="2009-08" OBS_VALUE="1381.443" BBK_DIFF="-11.4" BBK_DIFF_Y="-3.8"/>
      <bbk:Obs TIME_PERIOD="2009-07" OBS_VALUE="1558.395" BBK_DIFF="-3.6" BBK_DIFF_Y="0.7"/>
      <bbk:Obs TIME_PERIOD="2009-06" OBS_VALUE="1615.87" BBK_DIFF="15.4" BBK_DIFF_Y="7.3"/>
      <bbk:Obs TIME_PERIOD="2009-05" OBS_VALUE="1400.539" BBK_DIFF="-16.0" BBK_DIFF_Y="-7.6"/>
      <bbk:Obs TIME_PERIOD="2009-04" OBS_VALUE="1667.885" BBK_DIFF="-0.9" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="2009-03" OBS_VALUE="1683.165" BBK_DIFF="26.9" BBK_DIFF_Y="18.4"/>
      <bbk:Obs TIME_PERIOD="2009-02" OBS_VALUE="1326.766" BBK_DIFF="-34.4" BBK_DIFF_Y="-14.6"/>
      <bbk:Obs TIME_PERIOD="2009-01" OBS_VALUE="2021.149" BBK_DIFF="-19.7" BBK_DIFF_Y="13.6"/>
      <bbk:Obs TIME_PERIOD="2008-12" OBS_VALUE="2517.648" BBK_DIFF="56.0" BBK_DIFF_Y="15.3"/>
      <bbk:Obs TIME_PERIOD="2008-11" OBS_VALUE="1613.821" BBK_DIFF="2.8" BBK_DIFF_Y="-2.5"/>
      <bbk:Obs TIME_PERIOD="2008-10" OBS_VALUE="1570.045" BBK_DIFF="3.5" BBK_DIFF_Y="7.9"/>
      <bbk:Obs TIME_PERIOD="2008-09" OBS_VALUE="1517.483" BBK_DIFF="5.7" BBK_DIFF_Y="11.3"/>
      <bbk:Obs TIME_PERIOD="2008-08" OBS_VALUE="1435.899" BBK_DIFF="-7.2" BBK_DIFF_Y="3.8"/>
      <bbk:Obs TIME_PERIOD="2008-07" OBS_VALUE="1547.647" BBK_DIFF="2.8" BBK_DIFF_Y="2.5"/>
      <bbk:Obs TIME_PERIOD="2008-06" OBS_VALUE="1505.59" BBK_DIFF="-0.6" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="2008-05" OBS_VALUE="1515.208" BBK_DIFF="-1.8" BBK_DIFF_Y="2.6"/>
      <bbk:Obs TIME_PERIOD="2008-04" OBS_VALUE="1542.474" BBK_DIFF="8.5" BBK_DIFF_Y="4.7"/>
      <bbk:Obs TIME_PERIOD="2008-03" OBS_VALUE="1421.134" BBK_DIFF="-8.6" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="2008-02" OBS_VALUE="1554.039" BBK_DIFF="-12.6" BBK_DIFF_Y="-9.2"/>
      <bbk:Obs TIME_PERIOD="2008-01" OBS_VALUE="1778.987" BBK_DIFF="-18.5" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="2007-12" OBS_VALUE="2182.67" BBK_DIFF="31.9" BBK_DIFF_Y="18.1"/>
      <bbk:Obs TIME_PERIOD="2007-11" OBS_VALUE="1655.104" BBK_DIFF="13.7" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="2007-10" OBS_VALUE="1455.161" BBK_DIFF="6.7" BBK_DIFF_Y="19.5"/>
      <bbk:Obs TIME_PERIOD="2007-09" OBS_VALUE="1363.259" BBK_DIFF="-1.4" BBK_DIFF_Y="13.5"/>
      <bbk:Obs TIME_PERIOD="2007-08" OBS_VALUE="1383.169" BBK_DIFF="-8.4" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="2007-07" OBS_VALUE="1509.536" BBK_DIFF="7.0" BBK_DIFF_Y="0.0"/>
      <bbk:Obs TIME_PERIOD="2007-06" OBS_VALUE="1410.673" BBK_DIFF="-4.5" BBK_DIFF_Y="15.3"/>
      <bbk:Obs TIME_PERIOD="2007-05" OBS_VALUE="1476.585" BBK_DIFF="0.3" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="2007-04" OBS_VALUE="1472.595" BBK_DIFF="12.3" BBK_DIFF_Y="30.4"/>
      <bbk:Obs TIME_PERIOD="2007-03" OBS_VALUE="1311.311" BBK_DIFF="-23.4" BBK_DIFF_Y="-7.5"/>
      <bbk:Obs TIME_PERIOD="2007-02" OBS_VALUE="1711.893" BBK_DIFF="-5.5" BBK_DIFF_Y="37.7"/>
      <bbk:Obs TIME_PERIOD="2007-01" OBS_VALUE="1811.955" BBK_DIFF="-2.0" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="2006-12" OBS_VALUE="1848.105" BBK_DIFF="30.2" BBK_DIFF_Y="4.9"/>
      <bbk:Obs TIME_PERIOD="2006-11" OBS_VALUE="1419.44" BBK_DIFF="16.6" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="2006-10" OBS_VALUE="1217.564" BBK_DIFF="1.4" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="2006-09" OBS_VALUE="1201.208" BBK_DIFF="-7.4" BBK_DIFF_Y="11.1"/>
      <bbk:Obs TIME_PERIOD="2006-08" OBS_VALUE="1296.557" BBK_DIFF="-14.1" BBK_DIFF_Y="11.0"/>
      <bbk:Obs TIME_PERIOD="2006-07" OBS_VALUE="1509.66" BBK_DIFF="23.4" BBK_DIFF_Y="27.3"/>
      <bbk:Obs TIME_PERIOD="2006-06" OBS_VALUE="1223.772" BBK_DIFF="-7.2" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="2006-05" OBS_VALUE="1319.3" BBK_DIFF="16.8" BBK_DIFF_Y="19.8"/>
      <bbk:Obs TIME_PERIOD="2006-04" OBS_VALUE="1129.08" BBK_DIFF="-20.4" BBK_DIFF_Y="-8.5"/>
      <bbk:Obs TIME_PERIOD="2006-03" OBS_VALUE="1418.146" BBK_DIFF="14.1" BBK_DIFF_Y="30.1"/>
      <bbk:Obs TIME_PERIOD="2006-02" OBS_VALUE="1242.998" BBK_DIFF="-26.9" BBK_DIFF_Y="15.8"/>
      <bbk:Obs TIME_PERIOD="2006-01" OBS_VALUE="1700.577" BBK_DIFF="-3.5" BBK_DIFF_Y="16.9"/>
      <bbk:Obs TIME_PERIOD="2005-12" OBS_VALUE="1761.392" BBK_DIFF="37.2" BBK_DIFF_Y="4.2"/>
      <bbk:Obs TIME_PERIOD="2005-11" OBS_VALUE="1284.142" BBK_DIFF="11.5" BBK_DIFF_Y="10.6"/>
      <bbk:Obs TIME_PERIOD="2005-10" OBS_VALUE="1151.607" BBK_DIFF="6.5" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="2005-09" OBS_VALUE="1081.044" BBK_DIFF="-7.4" BBK_DIFF_Y="2.4"/>
      <bbk:Obs TIME_PERIOD="2005-08" OBS_VALUE="1167.794" BBK_DIFF="-1.6" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="2005-07" OBS_VALUE="1186.214" BBK_DIFF="2.6" BBK_DIFF_Y="-5.6"/>
      <bbk:Obs TIME_PERIOD="2005-06" OBS_VALUE="1156.324" BBK_DIFF="5.0" BBK_DIFF_Y="6.9"/>
      <bbk:Obs TIME_PERIOD="2005-05" OBS_VALUE="1101.467" BBK_DIFF="-10.7" BBK_DIFF_Y="6.8"/>
      <bbk:Obs TIME_PERIOD="2005-04" OBS_VALUE="1233.316" BBK_DIFF="13.1" BBK_DIFF_Y="-15.1"/>
      <bbk:Obs TIME_PERIOD="2005-03" OBS_VALUE="1090.164" BBK_DIFF="1.6" BBK_DIFF_Y="3.0"/>
      <bbk:Obs TIME_PERIOD="2005-02" OBS_VALUE="1073.025" BBK_DIFF="-26.3" BBK_DIFF_Y="12.3"/>
      <bbk:Obs TIME_PERIOD="2005-01" OBS_VALUE="1455.101" BBK_DIFF="-13.9" BBK_DIFF_Y="6.8"/>
      <bbk:Obs TIME_PERIOD="2004-12" OBS_VALUE="1689.658" BBK_DIFF="45.5" BBK_DIFF_Y="15.6"/>
      <bbk:Obs TIME_PERIOD="2004-11" OBS_VALUE="1161.396" BBK_DIFF="14.3" BBK_DIFF_Y="9.1"/>
      <bbk:Obs TIME_PERIOD="2004-10" OBS_VALUE="1016.302" BBK_DIFF="-3.7" BBK_DIFF_Y="-9.6"/>
      <bbk:Obs TIME_PERIOD="2004-09" OBS_VALUE="1055.203" BBK_DIFF="-0.3" BBK_DIFF_Y="12.9"/>
      <bbk:Obs TIME_PERIOD="2004-08" OBS_VALUE="1058.482" BBK_DIFF="-15.8" BBK_DIFF_Y="7.4"/>
      <bbk:Obs TIME_PERIOD="2004-07" OBS_VALUE="1256.952" BBK_DIFF="16.2" BBK_DIFF_Y="-5.4"/>
      <bbk:Obs TIME_PERIOD="2004-06" OBS_VALUE="1081.712" BBK_DIFF="4.9" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="2004-05" OBS_VALUE="1031.547" BBK_DIFF="-29.0" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="2004-04" OBS_VALUE="1452.774" BBK_DIFF="37.3" BBK_DIFF_Y="32.5"/>
      <bbk:Obs TIME_PERIOD="2004-03" OBS_VALUE="1058.146" BBK_DIFF="10.7" BBK_DIFF_Y="-3.2"/>
      <bbk:Obs TIME_PERIOD="2004-02" OBS_VALUE="955.905" BBK_DIFF="-29.8" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="2004-01" OBS_VALUE="1362.455" BBK_DIFF="-6.8" BBK_DIFF_Y="-19.9"/>
      <bbk:Obs TIME_PERIOD="2003-12" OBS_VALUE="1461.849" BBK_DIFF="37.3" BBK_DIFF_Y="2.2"/>
      <bbk:Obs TIME_PERIOD="2003-11" OBS_VALUE="1064.933" BBK_DIFF="-5.3" BBK_DIFF_Y="5.4"/>
      <bbk:Obs TIME_PERIOD="2003-10" OBS_VALUE="1124.41" BBK_DIFF="20.3" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="2003-09" OBS_VALUE="934.992" BBK_DIFF="-5.1" BBK_DIFF_Y="1.5"/>
      <bbk:Obs TIME_PERIOD="2003-08" OBS_VALUE="985.35" BBK_DIFF="-25.8" BBK_DIFF_Y="-7.9"/>
      <bbk:Obs TIME_PERIOD="2003-07" OBS_VALUE="1328.718" BBK_DIFF="32.8" BBK_DIFF_Y="-5.4"/>
      <bbk:Obs TIME_PERIOD="2003-06" OBS_VALUE="1000.636" BBK_DIFF="5.6" BBK_DIFF_Y="-6.9"/>
      <bbk:Obs TIME_PERIOD="2003-05" OBS_VALUE="947.54" BBK_DIFF="-13.6" BBK_DIFF_Y="-13.2"/>
      <bbk:Obs TIME_PERIOD="2003-04" OBS_VALUE="1096.468" BBK_DIFF="0.3" BBK_DIFF_Y="-5.8"/>
      <bbk:Obs TIME_PERIOD="2003-03" OBS_VALUE="1092.69" BBK_DIFF="19.8" BBK_DIFF_Y="6.6"/>
      <bbk:Obs TIME_PERIOD="2003-02" OBS_VALUE="912.0" BBK_DIFF="-46.4" BBK_DIFF_Y="-29.5"/>
      <bbk:Obs TIME_PERIOD="2003-01" OBS_VALUE="1701.6" BBK_DIFF="19.0" BBK_DIFF_Y="4.7"/>
      <bbk:Obs TIME_PERIOD="2002-12" OBS_VALUE="1430.325" BBK_DIFF="41.5" BBK_DIFF_Y="-15.3"/>
      <bbk:Obs TIME_PERIOD="2002-11" OBS_VALUE="1010.571" BBK_DIFF="-8.3" BBK_DIFF_Y="-18.1"/>
      <bbk:Obs TIME_PERIOD="2002-10" OBS_VALUE="1102.528" BBK_DIFF="19.7" BBK_DIFF_Y="-15.2"/>
      <bbk:Obs TIME_PERIOD="2002-09" OBS_VALUE="921.151" BBK_DIFF="-13.9" BBK_DIFF_Y="-7.4"/>
      <bbk:Obs TIME_PERIOD="2002-08" OBS_VALUE="1070.174" BBK_DIFF="-23.8" BBK_DIFF_Y="-12.0"/>
      <bbk:Obs TIME_PERIOD="2002-07" OBS_VALUE="1403.921" BBK_DIFF="30.6" BBK_DIFF_Y="-4.4"/>
      <bbk:Obs TIME_PERIOD="2002-06" OBS_VALUE="1074.676" BBK_DIFF="-1.6" BBK_DIFF_Y="-10.3"/>
      <bbk:Obs TIME_PERIOD="2002-05" OBS_VALUE="1091.745" BBK_DIFF="-6.2" BBK_DIFF_Y="-19.1"/>
      <bbk:Obs TIME_PERIOD="2002-04" OBS_VALUE="1163.859" BBK_DIFF="13.5" BBK_DIFF_Y="-11.8"/>
      <bbk:Obs TIME_PERIOD="2002-03" OBS_VALUE="1025.47" BBK_DIFF="-20.8" BBK_DIFF_Y="-16.5"/>
      <bbk:Obs TIME_PERIOD="2002-02" OBS_VALUE="1294.189" BBK_DIFF="-20.4" BBK_DIFF_Y="7.4"/>
      <bbk:Obs TIME_PERIOD="2002-01" OBS_VALUE="1625.963" BBK_DIFF="-3.7" BBK_DIFF_Y="-6.0"/>
      <bbk:Obs TIME_PERIOD="2001-12" OBS_VALUE="1688.083" BBK_DIFF="36.8" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="2001-11" OBS_VALUE="1234.187" BBK_DIFF="-5.0" BBK_DIFF_Y="1.7"/>
      <bbk:Obs TIME_PERIOD="2001-10" OBS_VALUE="1299.444" BBK_DIFF="30.6" BBK_DIFF_Y="8.2"/>
      <bbk:Obs TIME_PERIOD="2001-09" OBS_VALUE="994.841" BBK_DIFF="-18.2" BBK_DIFF_Y="0.0"/>
      <bbk:Obs TIME_PERIOD="2001-08" OBS_VALUE="1216.366" BBK_DIFF="-17.2" BBK_DIFF_Y="22.4"/>
      <bbk:Obs TIME_PERIOD="2001-07" OBS_VALUE="1469.211" BBK_DIFF="22.6" BBK_DIFF_Y="27.8"/>
      <bbk:Obs TIME_PERIOD="2001-06" OBS_VALUE="1198.097" BBK_DIFF="-11.2" BBK_DIFF_Y="22.2"/>
      <bbk:Obs TIME_PERIOD="2001-05" OBS_VALUE="1348.773" BBK_DIFF="2.2" BBK_DIFF_Y="36.0"/>
      <bbk:Obs TIME_PERIOD="2001-04" OBS_VALUE="1320.083" BBK_DIFF="7.5" BBK_DIFF_Y="38.6"/>
      <bbk:Obs TIME_PERIOD="2001-03" OBS_VALUE="1228.321" BBK_DIFF="1.9" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="2001-02" OBS_VALUE="1205.515" BBK_DIFF="-30.3" BBK_DIFF_Y="8.7"/>
      <bbk:Obs TIME_PERIOD="2001-01" OBS_VALUE="1729.222" BBK_DIFF="4.5" BBK_DIFF_Y="47.8"/>
      <bbk:Obs TIME_PERIOD="2000-12" OBS_VALUE="1655.144" BBK_DIFF="36.4" BBK_DIFF_Y="34.0"/>
      <bbk:Obs TIME_PERIOD="2000-11" OBS_VALUE="1213.488" BBK_DIFF="1.0" BBK_DIFF_Y="9.8"/>
      <bbk:Obs TIME_PERIOD="2000-10" OBS_VALUE="1201.351" BBK_DIFF="20.8" BBK_DIFF_Y="31.2"/>
      <bbk:Obs TIME_PERIOD="2000-09" OBS_VALUE="994.674" BBK_DIFF="0.1" BBK_DIFF_Y="12.5"/>
      <bbk:Obs TIME_PERIOD="2000-08" OBS_VALUE="993.982" BBK_DIFF="-13.5" BBK_DIFF_Y="-0.6"/>
      <bbk:Obs TIME_PERIOD="2000-07" OBS_VALUE="1149.771" BBK_DIFF="17.3" BBK_DIFF_Y="23.7"/>
      <bbk:Obs TIME_PERIOD="2000-06" OBS_VALUE="980.488" BBK_DIFF="-1.2" BBK_DIFF_Y="-0.9"/>
      <bbk:Obs TIME_PERIOD="2000-05" OBS_VALUE="991.942" BBK_DIFF="4.2" BBK_DIFF_Y="17.6"/>
      <bbk:Obs TIME_PERIOD="2000-04" OBS_VALUE="952.139" BBK_DIFF="-15.1" BBK_DIFF_Y="16.2"/>
      <bbk:Obs TIME_PERIOD="2000-03" OBS_VALUE="1121.262" BBK_DIFF="1.1" BBK_DIFF_Y="30.0"/>
      <bbk:Obs TIME_PERIOD="2000-02" OBS_VALUE="1109.013" BBK_DIFF="-5.2" BBK_DIFF_Y="28.5"/>
      <bbk:Obs TIME_PERIOD="2000-01" OBS_VALUE="1170.083" BBK_DIFF="-5.3" BBK_DIFF_Y="22.7"/>
      <bbk:Obs TIME_PERIOD="1999-12" OBS_VALUE="1235.284" BBK_DIFF="11.8" BBK_DIFF_Y="24.9"/>
      <bbk:Obs TIME_PERIOD="1999-11" OBS_VALUE="1105.174" BBK_DIFF="20.7" BBK_DIFF_Y="49.7"/>
      <bbk:Obs TIME_PERIOD="1999-10" OBS_VALUE="915.716" BBK_DIFF="3.6" BBK_DIFF_Y="24.5"/>
      <bbk:Obs TIME_PERIOD="1999-09" OBS_VALUE="883.786" BBK_DIFF="-11.6" BBK_DIFF_Y="27.5"/>
      <bbk:Obs TIME_PERIOD="1999-08" OBS_VALUE="1000.022" BBK_DIFF="7.6" BBK_DIFF_Y="21.5"/>
      <bbk:Obs TIME_PERIOD="1999-07" OBS_VALUE="929.372" BBK_DIFF="-6.0" BBK_DIFF_Y="18.8"/>
      <bbk:Obs TIME_PERIOD="1999-06" OBS_VALUE="989.084" BBK_DIFF="17.3" BBK_DIFF_Y="34.7"/>
      <bbk:Obs TIME_PERIOD="1999-05" OBS_VALUE="843.306" BBK_DIFF="2.9" BBK_DIFF_Y="1.7"/>
      <bbk:Obs TIME_PERIOD="1999-04" OBS_VALUE="819.259" BBK_DIFF="-5.0" BBK_DIFF_Y="23.7"/>
      <bbk:Obs TIME_PERIOD="1999-03" OBS_VALUE="862.641" BBK_DIFF="0.0" BBK_DIFF_Y="8.4"/>
      <bbk:Obs TIME_PERIOD="1999-02" OBS_VALUE="862.947" BBK_DIFF="-9.5" BBK_DIFF_Y="20.4"/>
      <bbk:Obs TIME_PERIOD="1999-01" OBS_VALUE="953.895" BBK_DIFF="-3.5" BBK_DIFF_Y="20.5"/>
      <bbk:Obs TIME_PERIOD="1998-12" OBS_VALUE="988.969" BBK_DIFF="33.9" BBK_DIFF_Y="18.2"/>
      <bbk:Obs TIME_PERIOD="1998-11" OBS_VALUE="738.466" BBK_DIFF="0.4" BBK_DIFF_Y="7.3"/>
      <bbk:Obs TIME_PERIOD="1998-10" OBS_VALUE="735.309" BBK_DIFF="6.1" BBK_DIFF_Y="5.2"/>
      <bbk:Obs TIME_PERIOD="1998-09" OBS_VALUE="693.255" BBK_DIFF="-15.8" BBK_DIFF_Y="5.2"/>
      <bbk:Obs TIME_PERIOD="1998-08" OBS_VALUE="822.88" BBK_DIFF="5.2" BBK_DIFF_Y="19.6"/>
      <bbk:Obs TIME_PERIOD="1998-07" OBS_VALUE="782.14" BBK_DIFF="6.5" BBK_DIFF_Y="2.4"/>
      <bbk:Obs TIME_PERIOD="1998-06" OBS_VALUE="734.467" BBK_DIFF="-11.4" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1998-05" OBS_VALUE="829.036" BBK_DIFF="25.1" BBK_DIFF_Y="28.4"/>
      <bbk:Obs TIME_PERIOD="1998-04" OBS_VALUE="662.454" BBK_DIFF="-16.7" BBK_DIFF_Y="5.8"/>
      <bbk:Obs TIME_PERIOD="1998-03" OBS_VALUE="795.707" BBK_DIFF="11.0" BBK_DIFF_Y="34.7"/>
      <bbk:Obs TIME_PERIOD="1998-02" OBS_VALUE="716.982" BBK_DIFF="-9.4" BBK_DIFF_Y="4.2"/>
      <bbk:Obs TIME_PERIOD="1998-01" OBS_VALUE="791.491" BBK_DIFF="-5.4" BBK_DIFF_Y="3.0"/>
      <bbk:Obs TIME_PERIOD="1997-12" OBS_VALUE="836.769" BBK_DIFF="21.6" BBK_DIFF_Y="54.1"/>
      <bbk:Obs TIME_PERIOD="1997-11" OBS_VALUE="688.336" BBK_DIFF="-1.5" BBK_DIFF_Y="1.7"/>
      <bbk:Obs TIME_PERIOD="1997-10" OBS_VALUE="699.113" BBK_DIFF="6.1" BBK_DIFF_Y="48.8"/>
      <bbk:Obs TIME_PERIOD="1997-09" OBS_VALUE="658.937" BBK_DIFF="-4.3" BBK_DIFF_Y="42.9"/>
      <bbk:Obs TIME_PERIOD="1997-08" OBS_VALUE="688.185" BBK_DIFF="-9.9" BBK_DIFF_Y="28.6"/>
      <bbk:Obs TIME_PERIOD="1997-07" OBS_VALUE="763.733" BBK_DIFF="21.3" BBK_DIFF_Y="39.1"/>
      <bbk:Obs TIME_PERIOD="1997-06" OBS_VALUE="629.77" BBK_DIFF="-2.4" BBK_DIFF_Y="15.8"/>
      <bbk:Obs TIME_PERIOD="1997-05" OBS_VALUE="645.539" BBK_DIFF="3.1" BBK_DIFF_Y="32.2"/>
      <bbk:Obs TIME_PERIOD="1997-04" OBS_VALUE="626.311" BBK_DIFF="6.0" BBK_DIFF_Y="27.6"/>
      <bbk:Obs TIME_PERIOD="1997-03" OBS_VALUE="590.75" BBK_DIFF="-14.2" BBK_DIFF_Y="24.8"/>
      <bbk:Obs TIME_PERIOD="1997-02" OBS_VALUE="688.131" BBK_DIFF="-10.4" BBK_DIFF_Y="19.9"/>
      <bbk:Obs TIME_PERIOD="1997-01" OBS_VALUE="768.365" BBK_DIFF="41.5" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1996-12" OBS_VALUE="543.049" BBK_DIFF="-19.7" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="1996-11" OBS_VALUE="676.503" BBK_DIFF="43.9" BBK_DIFF_Y="39.5"/>
      <bbk:Obs TIME_PERIOD="1996-10" OBS_VALUE="469.978" BBK_DIFF="1.9" BBK_DIFF_Y="-1.7"/>
      <bbk:Obs TIME_PERIOD="1996-09" OBS_VALUE="460.997" BBK_DIFF="-13.9" BBK_DIFF_Y="11.0"/>
      <bbk:Obs TIME_PERIOD="1996-08" OBS_VALUE="535.254" BBK_DIFF="-2.5" BBK_DIFF_Y="17.8"/>
      <bbk:Obs TIME_PERIOD="1996-07" OBS_VALUE="549.023" BBK_DIFF="1.0" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="1996-06" OBS_VALUE="543.657" BBK_DIFF="11.3" BBK_DIFF_Y="31.9"/>
      <bbk:Obs TIME_PERIOD="1996-05" OBS_VALUE="488.38" BBK_DIFF="-0.5" BBK_DIFF_Y="12.6"/>
      <bbk:Obs TIME_PERIOD="1996-04" OBS_VALUE="490.885" BBK_DIFF="3.7" BBK_DIFF_Y="33.2"/>
      <bbk:Obs TIME_PERIOD="1996-03" OBS_VALUE="473.378" BBK_DIFF="-17.5" BBK_DIFF_Y="2.7"/>
      <bbk:Obs TIME_PERIOD="1996-02" OBS_VALUE="573.984" BBK_DIFF="-12.9" BBK_DIFF_Y="24.1"/>
      <bbk:Obs TIME_PERIOD="1996-01" OBS_VALUE="659.077" BBK_DIFF="33.7" BBK_DIFF_Y="16.8"/>
      <bbk:Obs TIME_PERIOD="1995-12" OBS_VALUE="492.861" BBK_DIFF="1.6" BBK_DIFF_Y="3.4"/>
      <bbk:Obs TIME_PERIOD="1995-11" OBS_VALUE="484.908" BBK_DIFF="1.4" BBK_DIFF_Y="30.5"/>
      <bbk:Obs TIME_PERIOD="1995-10" OBS_VALUE="478.212" BBK_DIFF="15.1" BBK_DIFF_Y="28.0"/>
      <bbk:Obs TIME_PERIOD="1995-09" OBS_VALUE="415.33" BBK_DIFF="-8.6" BBK_DIFF_Y="2.7"/>
      <bbk:Obs TIME_PERIOD="1995-08" OBS_VALUE="454.484" BBK_DIFF="-12.3" BBK_DIFF_Y="14.5"/>
      <bbk:Obs TIME_PERIOD="1995-07" OBS_VALUE="518.477" BBK_DIFF="25.8" BBK_DIFF_Y="32.8"/>
      <bbk:Obs TIME_PERIOD="1995-06" OBS_VALUE="412.241" BBK_DIFF="-5.0" BBK_DIFF_Y="7.5"/>
      <bbk:Obs TIME_PERIOD="1995-05" OBS_VALUE="433.796" BBK_DIFF="17.7" BBK_DIFF_Y="13.3"/>
      <bbk:Obs TIME_PERIOD="1995-04" OBS_VALUE="368.595" BBK_DIFF="-20.0" BBK_DIFF_Y="0.3"/>
      <bbk:Obs TIME_PERIOD="1995-03" OBS_VALUE="460.93" BBK_DIFF="-0.4" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="1995-02" OBS_VALUE="462.632" BBK_DIFF="-18.0" BBK_DIFF_Y="14.0"/>
      <bbk:Obs TIME_PERIOD="1995-01" OBS_VALUE="564.113" BBK_DIFF="18.3" BBK_DIFF_Y="26.5"/>
      <bbk:Obs TIME_PERIOD="1994-12" OBS_VALUE="476.694" BBK_DIFF="28.3" BBK_DIFF_Y="12.3"/>
      <bbk:Obs TIME_PERIOD="1994-11" OBS_VALUE="371.607" BBK_DIFF="-0.5" BBK_DIFF_Y="-5.3"/>
      <bbk:Obs TIME_PERIOD="1994-10" OBS_VALUE="373.625" BBK_DIFF="-7.6" BBK_DIFF_Y="0.8"/>
      <bbk:Obs TIME_PERIOD="1994-09" OBS_VALUE="404.448" BBK_DIFF="1.9" BBK_DIFF_Y="21.0"/>
      <bbk:Obs TIME_PERIOD="1994-08" OBS_VALUE="396.996" BBK_DIFF="1.7" BBK_DIFF_Y="11.0"/>
      <bbk:Obs TIME_PERIOD="1994-07" OBS_VALUE="390.471" BBK_DIFF="1.8" BBK_DIFF_Y="-7.0"/>
      <bbk:Obs TIME_PERIOD="1994-06" OBS_VALUE="383.448" BBK_DIFF="0.1" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="1994-05" OBS_VALUE="382.929" BBK_DIFF="4.2" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="1994-04" OBS_VALUE="367.383" BBK_DIFF="-11.4" BBK_DIFF_Y="4.5"/>
      <bbk:Obs TIME_PERIOD="1994-03" OBS_VALUE="414.514" BBK_DIFF="2.1" BBK_DIFF_Y="19.4"/>
      <bbk:Obs TIME_PERIOD="1994-02" OBS_VALUE="405.8" BBK_DIFF="-9.0" BBK_DIFF_Y="7.8"/>
      <bbk:Obs TIME_PERIOD="1994-01" OBS_VALUE="445.945" BBK_DIFF="5.0" BBK_DIFF_Y="-1.2"/>
      <bbk:Obs TIME_PERIOD="1993-12" OBS_VALUE="424.638" BBK_DIFF="8.2" BBK_DIFF_Y="-3.9"/>
      <bbk:Obs TIME_PERIOD="1993-11" OBS_VALUE="392.566" BBK_DIFF="5.9" BBK_DIFF_Y="48.6"/>
      <bbk:Obs TIME_PERIOD="1993-10" OBS_VALUE="370.656" BBK_DIFF="10.9" BBK_DIFF_Y="0.6"/>
      <bbk:Obs TIME_PERIOD="1993-09" OBS_VALUE="334.288" BBK_DIFF="-6.5" BBK_DIFF_Y="20.9"/>
      <bbk:Obs TIME_PERIOD="1993-08" OBS_VALUE="357.636" BBK_DIFF="-14.8" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="1993-07" OBS_VALUE="419.807" BBK_DIFF="19.9" BBK_DIFF_Y="10.3"/>
      <bbk:Obs TIME_PERIOD="1993-06" OBS_VALUE="350.074" BBK_DIFF="-5.6" BBK_DIFF_Y="9.7"/>
      <bbk:Obs TIME_PERIOD="1993-05" OBS_VALUE="370.927" BBK_DIFF="5.5" BBK_DIFF_Y="13.5"/>
      <bbk:Obs TIME_PERIOD="1993-04" OBS_VALUE="351.594" BBK_DIFF="1.3" BBK_DIFF_Y="21.9"/>
      <bbk:Obs TIME_PERIOD="1993-03" OBS_VALUE="347.169" BBK_DIFF="-7.8" BBK_DIFF_Y="17.3"/>
      <bbk:Obs TIME_PERIOD="1993-02" OBS_VALUE="376.349" BBK_DIFF="-16.6" BBK_DIFF_Y="14.6"/>
      <bbk:Obs TIME_PERIOD="1993-01" OBS_VALUE="451.248" BBK_DIFF="2.1" BBK_DIFF_Y="21.9"/>
      <bbk:Obs TIME_PERIOD="1992-12" OBS_VALUE="441.796" BBK_DIFF="67.2" BBK_DIFF_Y="16.2"/>
      <bbk:Obs TIME_PERIOD="1992-11" OBS_VALUE="264.199" BBK_DIFF="-28.3" BBK_DIFF_Y="-13.1"/>
      <bbk:Obs TIME_PERIOD="1992-10" OBS_VALUE="368.55" BBK_DIFF="33.3" BBK_DIFF_Y="0.4"/>
      <bbk:Obs TIME_PERIOD="1992-09" OBS_VALUE="276.478" BBK_DIFF="-23.0" BBK_DIFF_Y="-1.2"/>
      <bbk:Obs TIME_PERIOD="1992-08" OBS_VALUE="358.844" BBK_DIFF="-5.7" BBK_DIFF_Y="3.2"/>
      <bbk:Obs TIME_PERIOD="1992-07" OBS_VALUE="380.497" BBK_DIFF="19.2" BBK_DIFF_Y="15.0"/>
      <bbk:Obs TIME_PERIOD="1992-06" OBS_VALUE="319.114" BBK_DIFF="-2.4" BBK_DIFF_Y="-8.0"/>
      <bbk:Obs TIME_PERIOD="1992-05" OBS_VALUE="326.838" BBK_DIFF="13.3" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="1992-04" OBS_VALUE="288.464" BBK_DIFF="-2.6" BBK_DIFF_Y="2.1"/>
      <bbk:Obs TIME_PERIOD="1992-03" OBS_VALUE="296.044" BBK_DIFF="-9.8" BBK_DIFF_Y="-6.9"/>
      <bbk:Obs TIME_PERIOD="1992-02" OBS_VALUE="328.304" BBK_DIFF="-11.3" BBK_DIFF_Y="23.9"/>
      <bbk:Obs TIME_PERIOD="1992-01" OBS_VALUE="370.088" BBK_DIFF="-2.7" BBK_DIFF_Y="-1.6"/>
      <bbk:Obs TIME_PERIOD="1991-12" OBS_VALUE="380.343" BBK_DIFF="25.1" BBK_DIFF_Y="34.9"/>
      <bbk:Obs TIME_PERIOD="1991-11" OBS_VALUE="304.082" BBK_DIFF="-17.2" BBK_DIFF_Y="0.2"/>
      <bbk:Obs TIME_PERIOD="1991-10" OBS_VALUE="367.257" BBK_DIFF="31.3" BBK_DIFF_Y="27.4"/>
      <bbk:Obs TIME_PERIOD="1991-09" OBS_VALUE="279.713" BBK_DIFF="-19.6" BBK_DIFF_Y="23.3"/>
      <bbk:Obs TIME_PERIOD="1991-08" OBS_VALUE="347.787" BBK_DIFF="5.1" BBK_DIFF_Y="30.4"/>
      <bbk:Obs TIME_PERIOD="1991-07" OBS_VALUE="330.789" BBK_DIFF="-4.7" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="1991-06" OBS_VALUE="346.95" BBK_DIFF="18.1" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="1991-05" OBS_VALUE="293.882" BBK_DIFF="4.0" BBK_DIFF_Y="1.5"/>
      <bbk:Obs TIME_PERIOD="1991-04" OBS_VALUE="282.654" BBK_DIFF="-11.1" BBK_DIFF_Y="32.5"/>
      <bbk:Obs TIME_PERIOD="1991-03" OBS_VALUE="317.901" BBK_DIFF="19.9" BBK_DIFF_Y="26.2"/>
      <bbk:Obs TIME_PERIOD="1991-02" OBS_VALUE="265.042" BBK_DIFF="-29.5" BBK_DIFF_Y="6.4"/>
      <bbk:Obs TIME_PERIOD="1991-01" OBS_VALUE="376.019" BBK_DIFF="33.4" BBK_DIFF_Y="9.1"/>
      <bbk:Obs TIME_PERIOD="1990-12" OBS_VALUE="281.864" BBK_DIFF="-7.2" BBK_DIFF_Y="-2.5"/>
      <bbk:Obs TIME_PERIOD="1990-11" OBS_VALUE="303.589" BBK_DIFF="5.3" BBK_DIFF_Y="20.5"/>
      <bbk:Obs TIME_PERIOD="1990-10" OBS_VALUE="288.191" BBK_DIFF="27.1" BBK_DIFF_Y="16.6"/>
      <bbk:Obs TIME_PERIOD="1990-09" OBS_VALUE="226.816" BBK_DIFF="-15.0" BBK_DIFF_Y="-13.5"/>
      <bbk:Obs TIME_PERIOD="1990-08" OBS_VALUE="266.787" BBK_DIFF="-14.6" BBK_DIFF_Y="3.5"/>
      <bbk:Obs TIME_PERIOD="1990-07" OBS_VALUE="312.231" BBK_DIFF="-4.7" BBK_DIFF_Y="27.8"/>
      <bbk:Obs TIME_PERIOD="1990-06" OBS_VALUE="327.626" BBK_DIFF="13.2" BBK_DIFF_Y="29.8"/>
      <bbk:Obs TIME_PERIOD="1990-05" OBS_VALUE="289.485" BBK_DIFF="35.7" BBK_DIFF_Y="33.9"/>
      <bbk:Obs TIME_PERIOD="1990-04" OBS_VALUE="213.29" BBK_DIFF="-15.4" BBK_DIFF_Y="-3.2"/>
      <bbk:Obs TIME_PERIOD="1990-03" OBS_VALUE="251.988" BBK_DIFF="1.1" BBK_DIFF_Y="19.8"/>
      <bbk:Obs TIME_PERIOD="1990-02" OBS_VALUE="249.212" BBK_DIFF="-27.7" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="1990-01" OBS_VALUE="344.763" BBK_DIFF="19.3" BBK_DIFF_Y="25.3"/>
      <bbk:Obs TIME_PERIOD="1989-12" OBS_VALUE="288.965" BBK_DIFF="14.7" BBK_DIFF_Y="14.1"/>
      <bbk:Obs TIME_PERIOD="1989-11" OBS_VALUE="251.981" BBK_DIFF="1.9" BBK_DIFF_Y="35.9"/>
      <bbk:Obs TIME_PERIOD="1989-10" OBS_VALUE="247.262" BBK_DIFF="-5.7" BBK_DIFF_Y="27.2"/>
      <bbk:Obs TIME_PERIOD="1989-09" OBS_VALUE="262.179" BBK_DIFF="1.7" BBK_DIFF_Y="30.2"/>
      <bbk:Obs TIME_PERIOD="1989-08" OBS_VALUE="257.818" BBK_DIFF="5.5" BBK_DIFF_Y="36.1"/>
      <bbk:Obs TIME_PERIOD="1989-07" OBS_VALUE="244.326" BBK_DIFF="-3.2" BBK_DIFF_Y="17.8"/>
      <bbk:Obs TIME_PERIOD="1989-06" OBS_VALUE="252.458" BBK_DIFF="16.8" BBK_DIFF_Y="13.9"/>
      <bbk:Obs TIME_PERIOD="1989-05" OBS_VALUE="216.179" BBK_DIFF="-1.9" BBK_DIFF_Y="9.3"/>
      <bbk:Obs TIME_PERIOD="1989-04" OBS_VALUE="220.449" BBK_DIFF="4.8" BBK_DIFF_Y="27.3"/>
      <bbk:Obs TIME_PERIOD="1989-03" OBS_VALUE="210.403" BBK_DIFF="-12.9" BBK_DIFF_Y="10.5"/>
      <bbk:Obs TIME_PERIOD="1989-02" OBS_VALUE="241.611" BBK_DIFF="-12.2" BBK_DIFF_Y="28.2"/>
      <bbk:Obs TIME_PERIOD="1989-01" OBS_VALUE="275.136" BBK_DIFF="8.7" BBK_DIFF_Y="32.3"/>
      <bbk:Obs TIME_PERIOD="1988-12" OBS_VALUE="253.148" BBK_DIFF="36.5" BBK_DIFF_Y="-4.1"/>
      <bbk:Obs TIME_PERIOD="1988-11" OBS_VALUE="185.39" BBK_DIFF="-4.6" BBK_DIFF_Y="4.8"/>
      <bbk:Obs TIME_PERIOD="1988-10" OBS_VALUE="194.378" BBK_DIFF="-3.5" BBK_DIFF_Y="0.7"/>
      <bbk:Obs TIME_PERIOD="1988-09" OBS_VALUE="201.381" BBK_DIFF="6.3" BBK_DIFF_Y="24.2"/>
      <bbk:Obs TIME_PERIOD="1988-08" OBS_VALUE="189.42" BBK_DIFF="-8.7" BBK_DIFF_Y="5.5"/>
      <bbk:Obs TIME_PERIOD="1988-07" OBS_VALUE="207.408" BBK_DIFF="-6.4" BBK_DIFF_Y="7.2"/>
      <bbk:Obs TIME_PERIOD="1988-06" OBS_VALUE="221.616" BBK_DIFF="12.0" BBK_DIFF_Y="38.0"/>
      <bbk:Obs TIME_PERIOD="1988-05" OBS_VALUE="197.826" BBK_DIFF="14.2" BBK_DIFF_Y="22.1"/>
      <bbk:Obs TIME_PERIOD="1988-04" OBS_VALUE="173.176" BBK_DIFF="-9.0" BBK_DIFF_Y="7.4"/>
      <bbk:Obs TIME_PERIOD="1988-03" OBS_VALUE="190.344" BBK_DIFF="1.0" BBK_DIFF_Y="1.3"/>
      <bbk:Obs TIME_PERIOD="1988-02" OBS_VALUE="188.457" BBK_DIFF="-9.4" BBK_DIFF_Y="17.3"/>
      <bbk:Obs TIME_PERIOD="1988-01" OBS_VALUE="207.947" BBK_DIFF="-21.2" BBK_DIFF_Y="9.7"/>
      <bbk:Obs TIME_PERIOD="1987-12" OBS_VALUE="263.971" BBK_DIFF="49.3" BBK_DIFF_Y="26.1"/>
      <bbk:Obs TIME_PERIOD="1987-11" OBS_VALUE="176.856" BBK_DIFF="-8.4" BBK_DIFF_Y="18.5"/>
      <bbk:Obs TIME_PERIOD="1987-10" OBS_VALUE="193.077" BBK_DIFF="19.1" BBK_DIFF_Y="11.7"/>
      <bbk:Obs TIME_PERIOD="1987-09" OBS_VALUE="162.157" BBK_DIFF="-9.7" BBK_DIFF_Y="16.0"/>
      <bbk:Obs TIME_PERIOD="1987-08" OBS_VALUE="179.494" BBK_DIFF="-7.2" BBK_DIFF_Y="12.2"/>
      <bbk:Obs TIME_PERIOD="1987-07" OBS_VALUE="193.431" BBK_DIFF="20.5" BBK_DIFF_Y="9.6"/>
      <bbk:Obs TIME_PERIOD="1987-06" OBS_VALUE="160.568" BBK_DIFF="-0.9" BBK_DIFF_Y="-14.3"/>
      <bbk:Obs TIME_PERIOD="1987-05" OBS_VALUE="161.966" BBK_DIFF="0.4" BBK_DIFF_Y="0.6"/>
      <bbk:Obs TIME_PERIOD="1987-04" OBS_VALUE="161.294" BBK_DIFF="-14.2" BBK_DIFF_Y="-2.1"/>
      <bbk:Obs TIME_PERIOD="1987-03" OBS_VALUE="187.962" BBK_DIFF="17.0" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="1987-02" OBS_VALUE="160.603" BBK_DIFF="-15.3" BBK_DIFF_Y="-0.4"/>
      <bbk:Obs TIME_PERIOD="1987-01" OBS_VALUE="189.571" BBK_DIFF="-9.5" BBK_DIFF_Y="-1.2"/>
      <bbk:Obs TIME_PERIOD="1986-12" OBS_VALUE="209.361" BBK_DIFF="40.3" BBK_DIFF_Y="102.8"/>
      <bbk:Obs TIME_PERIOD="1986-11" OBS_VALUE="149.251" BBK_DIFF="-13.6" BBK_DIFF_Y="44.0"/>
      <bbk:Obs TIME_PERIOD="1986-10" OBS_VALUE="172.815" BBK_DIFF="23.6" BBK_DIFF_Y="95.0"/>
      <bbk:Obs TIME_PERIOD="1986-09" OBS_VALUE="139.799" BBK_DIFF="-12.6" BBK_DIFF_Y="62.6"/>
      <bbk:Obs TIME_PERIOD="1986-08" OBS_VALUE="160.032" BBK_DIFF="-9.3" BBK_DIFF_Y="45.0"/>
      <bbk:Obs TIME_PERIOD="1986-07" OBS_VALUE="176.48" BBK_DIFF="-5.8" BBK_DIFF_Y="55.6"/>
      <bbk:Obs TIME_PERIOD="1986-06" OBS_VALUE="187.323" BBK_DIFF="16.3" BBK_DIFF_Y="84.6"/>
      <bbk:Obs TIME_PERIOD="1986-05" OBS_VALUE="161.021" BBK_DIFF="-2.3" BBK_DIFF_Y="83.4"/>
      <bbk:Obs TIME_PERIOD="1986-04" OBS_VALUE="164.778" BBK_DIFF="-3.0" BBK_DIFF_Y="74.8"/>
      <bbk:Obs TIME_PERIOD="1986-03" OBS_VALUE="169.858" BBK_DIFF="5.4" BBK_DIFF_Y="51.5"/>
      <bbk:Obs TIME_PERIOD="1986-02" OBS_VALUE="161.209" BBK_DIFF="-16.0" BBK_DIFF_Y="67.0"/>
      <bbk:Obs TIME_PERIOD="1986-01" OBS_VALUE="191.869" BBK_DIFF="85.8" BBK_DIFF_Y="61.4"/>
      <bbk:Obs TIME_PERIOD="1985-12" OBS_VALUE="103.257" BBK_DIFF="-0.4" BBK_DIFF_Y="19.2"/>
      <bbk:Obs TIME_PERIOD="1985-11" OBS_VALUE="103.646" BBK_DIFF="16.9" BBK_DIFF_Y="25.5"/>
      <bbk:Obs TIME_PERIOD="1985-10" OBS_VALUE="88.63" BBK_DIFF="3.1" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="1985-09" OBS_VALUE="86.002" BBK_DIFF="-22.1" BBK_DIFF_Y="4.1"/>
      <bbk:Obs TIME_PERIOD="1985-08" OBS_VALUE="110.335" BBK_DIFF="-2.7" BBK_DIFF_Y="38.1"/>
      <bbk:Obs TIME_PERIOD="1985-07" OBS_VALUE="113.397" BBK_DIFF="11.8" BBK_DIFF_Y="2.9"/>
      <bbk:Obs TIME_PERIOD="1985-06" OBS_VALUE="101.455" BBK_DIFF="15.5" BBK_DIFF_Y="22.0"/>
      <bbk:Obs TIME_PERIOD="1985-05" OBS_VALUE="87.819" BBK_DIFF="-6.8" BBK_DIFF_Y="13.4"/>
      <bbk:Obs TIME_PERIOD="1985-04" OBS_VALUE="94.249" BBK_DIFF="-15.9" BBK_DIFF_Y="18.7"/>
      <bbk:Obs TIME_PERIOD="1985-03" OBS_VALUE="112.106" BBK_DIFF="16.1" BBK_DIFF_Y="46.5"/>
      <bbk:Obs TIME_PERIOD="1985-02" OBS_VALUE="96.546" BBK_DIFF="-18.8" BBK_DIFF_Y="36.3"/>
      <bbk:Obs TIME_PERIOD="1985-01" OBS_VALUE="118.885" BBK_DIFF="37.2" BBK_DIFF_Y="14.5"/>
      <bbk:Obs TIME_PERIOD="1984-12" OBS_VALUE="86.623" BBK_DIFF="4.8" BBK_DIFF_Y="-17.6"/>
      <bbk:Obs TIME_PERIOD="1984-11" OBS_VALUE="82.618" BBK_DIFF="2.0" BBK_DIFF_Y="20.7"/>
      <bbk:Obs TIME_PERIOD="1984-10" OBS_VALUE="80.977" BBK_DIFF="-1.9" BBK_DIFF_Y="-2.1"/>
      <bbk:Obs TIME_PERIOD="1984-09" OBS_VALUE="82.583" BBK_DIFF="3.4" BBK_DIFF_Y="21.2"/>
      <bbk:Obs TIME_PERIOD="1984-08" OBS_VALUE="79.899" BBK_DIFF="-27.5" BBK_DIFF_Y="18.2"/>
      <bbk:Obs TIME_PERIOD="1984-07" OBS_VALUE="110.182" BBK_DIFF="32.5" BBK_DIFF_Y="29.9"/>
      <bbk:Obs TIME_PERIOD="1984-06" OBS_VALUE="83.126" BBK_DIFF="7.4" BBK_DIFF_Y="7.0"/>
      <bbk:Obs TIME_PERIOD="1984-05" OBS_VALUE="77.433" BBK_DIFF="-2.5" BBK_DIFF_Y="33.9"/>
      <bbk:Obs TIME_PERIOD="1984-04" OBS_VALUE="79.42" BBK_DIFF="3.8" BBK_DIFF_Y="-3.0"/>
      <bbk:Obs TIME_PERIOD="1984-03" OBS_VALUE="76.546" BBK_DIFF="8.1" BBK_DIFF_Y="2.8"/>
      <bbk:Obs TIME_PERIOD="1984-02" OBS_VALUE="70.832" BBK_DIFF="-31.8" BBK_DIFF_Y="-1.7"/>
      <bbk:Obs TIME_PERIOD="1984-01" OBS_VALUE="103.827" BBK_DIFF="-1.3" BBK_DIFF_Y="17.0"/>
      <bbk:Obs TIME_PERIOD="1983-12" OBS_VALUE="105.185" BBK_DIFF="53.7" BBK_DIFF_Y="26.2"/>
      <bbk:Obs TIME_PERIOD="1983-11" OBS_VALUE="68.455" BBK_DIFF="-17.2" BBK_DIFF_Y="-1.8"/>
      <bbk:Obs TIME_PERIOD="1983-10" OBS_VALUE="82.701" BBK_DIFF="21.3" BBK_DIFF_Y="26.1"/>
      <bbk:Obs TIME_PERIOD="1983-09" OBS_VALUE="68.163" BBK_DIFF="0.8" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="1983-08" OBS_VALUE="67.615" BBK_DIFF="-20.3" BBK_DIFF_Y="2.0"/>
      <bbk:Obs TIME_PERIOD="1983-07" OBS_VALUE="84.839" BBK_DIFF="9.2" BBK_DIFF_Y="16.8"/>
      <bbk:Obs TIME_PERIOD="1983-06" OBS_VALUE="77.679" BBK_DIFF="34.3" BBK_DIFF_Y="22.1"/>
      <bbk:Obs TIME_PERIOD="1983-05" OBS_VALUE="57.832" BBK_DIFF="-29.4" BBK_DIFF_Y="-23.3"/>
      <bbk:Obs TIME_PERIOD="1983-04" OBS_VALUE="81.869" BBK_DIFF="9.9" BBK_DIFF_Y="26.8"/>
      <bbk:Obs TIME_PERIOD="1983-03" OBS_VALUE="74.479" BBK_DIFF="3.4" BBK_DIFF_Y="-0.6"/>
      <bbk:Obs TIME_PERIOD="1983-02" OBS_VALUE="72.037" BBK_DIFF="-18.8" BBK_DIFF_Y="5.2"/>
      <bbk:Obs TIME_PERIOD="1983-01" OBS_VALUE="88.706" BBK_DIFF="6.5" BBK_DIFF_Y="4.2"/>
      <bbk:Obs TIME_PERIOD="1982-12" OBS_VALUE="83.322" BBK_DIFF="19.6" BBK_DIFF_Y="34.8"/>
      <bbk:Obs TIME_PERIOD="1982-11" OBS_VALUE="69.69" BBK_DIFF="6.2" BBK_DIFF_Y="1.3"/>
      <bbk:Obs TIME_PERIOD="1982-10" OBS_VALUE="65.603" BBK_DIFF="6.5" BBK_DIFF_Y="-10.0"/>
      <bbk:Obs TIME_PERIOD="1982-09" OBS_VALUE="61.591" BBK_DIFF="-7.1" BBK_DIFF_Y="13.7"/>
      <bbk:Obs TIME_PERIOD="1982-08" OBS_VALUE="66.271" BBK_DIFF="-8.7" BBK_DIFF_Y="11.5"/>
      <bbk:Obs TIME_PERIOD="1982-07" OBS_VALUE="72.613" BBK_DIFF="14.2" BBK_DIFF_Y="-7.5"/>
      <bbk:Obs TIME_PERIOD="1982-06" OBS_VALUE="63.601" BBK_DIFF="-15.7" BBK_DIFF_Y="9.2"/>
      <bbk:Obs TIME_PERIOD="1982-05" OBS_VALUE="75.449" BBK_DIFF="16.9" BBK_DIFF_Y="12.8"/>
      <bbk:Obs TIME_PERIOD="1982-04" OBS_VALUE="64.56" BBK_DIFF="-13.8" BBK_DIFF_Y="18.6"/>
      <bbk:Obs TIME_PERIOD="1982-03" OBS_VALUE="74.921" BBK_DIFF="9.4" BBK_DIFF_Y="25.8"/>
      <bbk:Obs TIME_PERIOD="1982-02" OBS_VALUE="68.467" BBK_DIFF="-19.6" BBK_DIFF_Y="11.9"/>
      <bbk:Obs TIME_PERIOD="1982-01" OBS_VALUE="85.114" BBK_DIFF="37.7" BBK_DIFF_Y="21.1"/>
      <bbk:Obs TIME_PERIOD="1981-12" OBS_VALUE="61.815" BBK_DIFF="-10.1" BBK_DIFF_Y="5.4"/>
      <bbk:Obs TIME_PERIOD="1981-11" OBS_VALUE="68.773" BBK_DIFF="-5.6" BBK_DIFF_Y="10.9"/>
      <bbk:Obs TIME_PERIOD="1981-10" OBS_VALUE="72.891" BBK_DIFF="34.6" BBK_DIFF_Y="35.1"/>
      <bbk:Obs TIME_PERIOD="1981-09" OBS_VALUE="54.148" BBK_DIFF="-8.9" BBK_DIFF_Y="4.6"/>
      <bbk:Obs TIME_PERIOD="1981-08" OBS_VALUE="59.454" BBK_DIFF="-24.3" BBK_DIFF_Y="-0.1"/>
      <bbk:Obs TIME_PERIOD="1981-07" OBS_VALUE="78.531" BBK_DIFF="34.9" BBK_DIFF_Y="28.5"/>
      <bbk:Obs TIME_PERIOD="1981-06" OBS_VALUE="58.235" BBK_DIFF="-13.0" BBK_DIFF_Y="4.6"/>
      <bbk:Obs TIME_PERIOD="1981-05" OBS_VALUE="66.917" BBK_DIFF="23.0" BBK_DIFF_Y="32.9"/>
      <bbk:Obs TIME_PERIOD="1981-04" OBS_VALUE="54.415" BBK_DIFF="-8.6" BBK_DIFF_Y="7.6"/>
      <bbk:Obs TIME_PERIOD="1981-03" OBS_VALUE="59.533" BBK_DIFF="-2.7" BBK_DIFF_Y="11.1"/>
      <bbk:Obs TIME_PERIOD="1981-02" OBS_VALUE="61.201" BBK_DIFF="-13.0" BBK_DIFF_Y="8.0"/>
      <bbk:Obs TIME_PERIOD="1981-01" OBS_VALUE="70.313" BBK_DIFF="19.9" BBK_DIFF_Y="12.0"/>
      <bbk:Obs TIME_PERIOD="1980-12" OBS_VALUE="58.627" BBK_DIFF="-5.5" BBK_DIFF_Y="17.1"/>
      <bbk:Obs TIME_PERIOD="1980-11" OBS_VALUE="62.036" BBK_DIFF="15.0" BBK_DIFF_Y="35.6"/>
      <bbk:Obs TIME_PERIOD="1980-10" OBS_VALUE="53.938" BBK_DIFF="4.2" BBK_DIFF_Y="10.2"/>
      <bbk:Obs TIME_PERIOD="1980-09" OBS_VALUE="51.765" BBK_DIFF="-13.0" BBK_DIFF_Y="14.5"/>
      <bbk:Obs TIME_PERIOD="1980-08" OBS_VALUE="59.515" BBK_DIFF="-2.6" BBK_DIFF_Y="38.9"/>
      <bbk:Obs TIME_PERIOD="1980-07" OBS_VALUE="61.111" BBK_DIFF="9.8" BBK_DIFF_Y="11.1"/>
      <bbk:Obs TIME_PERIOD="1980-06" OBS_VALUE="55.68" BBK_DIFF="10.6" BBK_DIFF_Y="23.8"/>
      <bbk:Obs TIME_PERIOD="1980-05" OBS_VALUE="50.336" BBK_DIFF="-0.4" BBK_DIFF_Y="6.3"/>
      <bbk:Obs TIME_PERIOD="1980-04" OBS_VALUE="50.558" BBK_DIFF="-5.6" BBK_DIFF_Y="21.3"/>
      <bbk:Obs TIME_PERIOD="1980-03" OBS_VALUE="53.582" BBK_DIFF="-5.4" BBK_DIFF_Y="5.9"/>
      <bbk:Obs TIME_PERIOD="1980-02" OBS_VALUE="56.651" BBK_DIFF="-9.8" BBK_DIFF_Y="25.0"/>
      <bbk:Obs TIME_PERIOD="1980-01" OBS_VALUE="62.783" BBK_DIFF="25.4" BBK_DIFF_Y="8.5"/>
      <bbk:Obs TIME_PERIOD="1979-12" OBS_VALUE="50.048" BBK_DIFF="9.4" BBK_DIFF_Y="6.6"/>
      <bbk:Obs TIME_PERIOD="1979-11" OBS_VALUE="45.746" BBK_DIFF="-6.6" BBK_DIFF_Y="-2.9"/>
      <bbk:Obs TIME_PERIOD="1979-10" OBS_VALUE="48.953" BBK_DIFF="8.3" BBK_DIFF_Y="13.5"/>
      <bbk:Obs TIME_PERIOD="1979-09" OBS_VALUE="45.213" BBK_DIFF="5.5" BBK_DIFF_Y="3.1"/>
      <bbk:Obs TIME_PERIOD="1979-08" OBS_VALUE="42.852" BBK_DIFF="-22.1" BBK_DIFF_Y="3.8"/>
      <bbk:Obs TIME_PERIOD="1979-07" OBS_VALUE="55.013" BBK_DIFF="22.3" BBK_DIFF_Y="7.1"/>
      <bbk:Obs TIME_PERIOD="1979-06" OBS_VALUE="44.978" BBK_DIFF="-5.0" BBK_DIFF_Y="1.0"/>
      <bbk:Obs TIME_PERIOD="1979-05" OBS_VALUE="47.336" BBK_DIFF="13.6" BBK_DIFF_Y="16.3"/>
      <bbk:Obs TIME_PERIOD="1979-04" OBS_VALUE="41.671" BBK_DIFF="-17.7" BBK_DIFF_Y="-2.4"/>
      <bbk:Obs TIME_PERIOD="1979-03" OBS_VALUE="50.617" BBK_DIFF="11.7" BBK_DIFF_Y="6.9"/>
      <bbk:Obs TIME_PERIOD="1979-02" OBS_VALUE="45.305" BBK_DIFF="-21.7" BBK_DIFF_Y="-2.7"/>
      <bbk:Obs TIME_PERIOD="1979-01" OBS_VALUE="57.88" BBK_DIFF="23.3" BBK_DIFF_Y="-12.0"/>
      <bbk:Obs TIME_PERIOD="1978-12" OBS_VALUE="46.928" BBK_DIFF="-0.3" BBK_DIFF_Y="-0.2"/>
      <bbk:Obs TIME_PERIOD="1978-11" OBS_VALUE="47.09" BBK_DIFF="9.2" BBK_DIFF_Y="6.5"/>
      <bbk:Obs TIME_PERIOD="1978-10" OBS_VALUE="43.136" BBK_DIFF="-1.7" BBK_DIFF_Y="10.7"/>
      <bbk:Obs TIME_PERIOD="1978-09" OBS_VALUE="43.864" BBK_DIFF="6.2" BBK_DIFF_Y="31.4"/>
      <bbk:Obs TIME_PERIOD="1978-08" OBS_VALUE="41.29" BBK_DIFF="-19.6" BBK_DIFF_Y="6.7"/>
      <bbk:Obs TIME_PERIOD="1978-07" OBS_VALUE="51.386" BBK_DIFF="15.4" BBK_DIFF_Y="30.5"/>
      <bbk:Obs TIME_PERIOD="1978-06" OBS_VALUE="44.53" BBK_DIFF="9.4" BBK_DIFF_Y="33.5"/>
      <bbk:Obs TIME_PERIOD="1978-05" OBS_VALUE="40.707" BBK_DIFF="-4.6" BBK_DIFF_Y="12.2"/>
      <bbk:Obs TIME_PERIOD="1978-04" OBS_VALUE="42.688" BBK_DIFF="-9.8" BBK_DIFF_Y="8.3"/>
      <bbk:Obs TIME_PERIOD="1978-03" OBS_VALUE="47.344" BBK_DIFF="1.7" BBK_DIFF_Y="37.4"/>
      <bbk:Obs TIME_PERIOD="1978-02" OBS_VALUE="46.566" BBK_DIFF="-29.2" BBK_DIFF_Y="33.1"/>
      <bbk:Obs TIME_PERIOD="1978-01" OBS_VALUE="65.74" BBK_DIFF="39.8" BBK_DIFF_Y="47.9"/>
      <bbk:Obs TIME_PERIOD="1977-12" OBS_VALUE="47.018" BBK_DIFF="6.4" BBK_DIFF_Y="10.6"/>
      <bbk:Obs TIME_PERIOD="1977-11" OBS_VALUE="44.199" BBK_DIFF="13.4" BBK_DIFF_Y="26.9"/>
      <bbk:Obs TIME_PERIOD="1977-10" OBS_VALUE="38.983" BBK_DIFF="16.7" BBK_DIFF_Y="8.6"/>
      <bbk:Obs TIME_PERIOD="1977-09" OBS_VALUE="33.391" BBK_DIFF="-13.7" BBK_DIFF_Y="13.1"/>
      <bbk:Obs TIME_PERIOD="1977-08" OBS_VALUE="38.713" BBK_DIFF="-1.7" BBK_DIFF_Y="31.5"/>
      <bbk:Obs TIME_PERIOD="1977-07" OBS_VALUE="39.37" BBK_DIFF="18.0" BBK_DIFF_Y="8.1"/>
      <bbk:Obs TIME_PERIOD="1977-06" OBS_VALUE="33.352" BBK_DIFF="-8.1" BBK_DIFF_Y="11.2"/>
      <bbk:Obs TIME_PERIOD="1977-05" OBS_VALUE="36.29" BBK_DIFF="-7.9" BBK_DIFF_Y="14.4"/>
      <bbk:Obs TIME_PERIOD="1977-04" OBS_VALUE="39.422" BBK_DIFF="14.4" BBK_DIFF_Y="29.9"/>
      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="34.459" BBK_DIFF="-1.5" BBK_DIFF_Y="-2.3"/>
      <bbk:Obs TIME_PERIOD="1977-02" OBS_VALUE="34.974" BBK_DIFF="-21.3" BBK_DIFF_Y="8.9"/>
      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="44.463" BBK_DIFF="4.5" BBK_DIFF_Y="7.9"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="42.529" BBK_DIFF="22.1" BBK_DIFF_Y="41.6"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="34.822" BBK_DIFF="-3.0" BBK_DIFF_Y="17.0"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="35.91" BBK_DIFF="21.7" BBK_DIFF_Y="5.7"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="29.512" BBK_DIFF="0.3" BBK_DIFF_Y="9.9"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="29.431" BBK_DIFF="-19.2" BBK_DIFF_Y="6.4"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="36.425" BBK_DIFF="21.5" BBK_DIFF_Y="18.4"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="29.983" BBK_DIFF="-5.5" BBK_DIFF_Y="-4.1"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="31.714" BBK_DIFF="4.5" BBK_DIFF_Y="-7.3"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="30.351" BBK_DIFF="-13.9" BBK_DIFF_Y="3.7"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="35.259" BBK_DIFF="9.8" BBK_DIFF_Y="12.7"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="32.117" BBK_DIFF="-22.0" BBK_DIFF_Y="-4.4"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="41.202" BBK_DIFF="37.2" BBK_DIFF_Y="10.4"/>
      <bbk:Obs TIME_PERIOD="1975-12" OBS_VALUE="30.036" BBK_DIFF="0.9" BBK_DIFF_Y="1.1"/>
      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="29.76" BBK_DIFF="-12.4" BBK_DIFF_Y="9.5"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="33.984" BBK_DIFF="26.5" BBK_DIFF_Y="22.7"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="26.86" BBK_DIFF="-2.9" BBK_DIFF_Y="3.4"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="27.665" BBK_DIFF="-10.1" BBK_DIFF_Y="-2.1"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="30.757" BBK_DIFF="-1.6" BBK_DIFF_Y="-10.1"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="31.261" BBK_DIFF="-8.6" BBK_DIFF_Y="10.1"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="34.206" BBK_DIFF="16.8" BBK_DIFF_Y="30.5"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="29.275" BBK_DIFF="-6.4" BBK_DIFF_Y="30.1"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="31.285" BBK_DIFF="-6.8" BBK_DIFF_Y="-7.5"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="33.58" BBK_DIFF="-10.0" BBK_DIFF_Y="13.0"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="37.312" BBK_DIFF="25.6" BBK_DIFF_Y="14.3"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="29.714" BBK_DIFF="9.4" BBK_DIFF_Y="-3.4"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="27.172" BBK_DIFF="-1.9" BBK_DIFF_Y="-0.3"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="27.692" BBK_DIFF="6.6" BBK_DIFF_Y="-5.2"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="25.988" BBK_DIFF="-8.0" BBK_DIFF_Y="2.3"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="28.245" BBK_DIFF="-17.4" BBK_DIFF_Y="2.1"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="34.215" BBK_DIFF="20.5" BBK_DIFF_Y="30.3"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="28.401" BBK_DIFF="8.4" BBK_DIFF_Y="-3.5"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="26.208" BBK_DIFF="16.5" BBK_DIFF_Y="15.0"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="22.504" BBK_DIFF="-33.5" BBK_DIFF_Y="-15.0"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="33.825" BBK_DIFF="13.9" BBK_DIFF_Y="5.6"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="29.708" BBK_DIFF="-9.0" BBK_DIFF_Y="-5.4"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="32.634" BBK_DIFF="6.1" BBK_DIFF_Y="-6.4"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="30.746" BBK_DIFF="12.8" BBK_DIFF_Y="-8.7"/>
      <bbk:Obs TIME_PERIOD="1973-11" OBS_VALUE="27.256" BBK_DIFF="-6.7" BBK_DIFF_Y="6.0"/>
      <bbk:Obs TIME_PERIOD="1973-10" OBS_VALUE="29.205" BBK_DIFF="14.9" BBK_DIFF_Y="10.6"/>
      <bbk:Obs TIME_PERIOD="1973-09" OBS_VALUE="25.407" BBK_DIFF="-8.2" BBK_DIFF_Y="-17.6"/>
      <bbk:Obs TIME_PERIOD="1973-08" OBS_VALUE="27.663" BBK_DIFF="5.4" BBK_DIFF_Y="31.4"/>
      <bbk:Obs TIME_PERIOD="1973-07" OBS_VALUE="26.254" BBK_DIFF="-10.8" BBK_DIFF_Y="-14.5"/>
      <bbk:Obs TIME_PERIOD="1973-06" OBS_VALUE="29.426" BBK_DIFF="29.2" BBK_DIFF_Y="15.8"/>
      <bbk:Obs TIME_PERIOD="1973-05" OBS_VALUE="22.781" BBK_DIFF="-14.0" BBK_DIFF_Y="-20.2"/>
      <bbk:Obs TIME_PERIOD="1973-04" OBS_VALUE="26.478" BBK_DIFF="-17.3" BBK_DIFF_Y="-2.8"/>
      <bbk:Obs TIME_PERIOD="1973-03" OBS_VALUE="32.018" BBK_DIFF="2.0" BBK_DIFF_Y="15.6"/>
      <bbk:Obs TIME_PERIOD="1973-02" OBS_VALUE="31.404" BBK_DIFF="-9.9" BBK_DIFF_Y="6.3"/>
      <bbk:Obs TIME_PERIOD="1973-01" OBS_VALUE="34.868" BBK_DIFF="3.5" BBK_DIFF_Y="-5.6"/>
      <bbk:Obs TIME_PERIOD="1972-12" OBS_VALUE="33.688" BBK_DIFF="31.0" BBK_DIFF_Y="-12.8"/>
      <bbk:Obs TIME_PERIOD="1972-11" OBS_VALUE="25.71" BBK_DIFF="-2.7" BBK_DIFF_Y="-16.0"/>
      <bbk:Obs TIME_PERIOD="1972-10" OBS_VALUE="26.416" BBK_DIFF="-14.3" BBK_DIFF_Y="-11.1"/>
      <bbk:Obs TIME_PERIOD="1972-09" OBS_VALUE="30.833" BBK_DIFF="46.5" BBK_DIFF_Y="27.5"/>
      <bbk:Obs TIME_PERIOD="1972-08" OBS_VALUE="21.045" BBK_DIFF="-31.5" BBK_DIFF_Y="-23.0"/>
      <bbk:Obs TIME_PERIOD="1972-07" OBS_VALUE="30.715" BBK_DIFF="20.9" BBK_DIFF_Y="-13.8"/>
      <bbk:Obs TIME_PERIOD="1972-06" OBS_VALUE="25.406" BBK_DIFF="-11.0" BBK_DIFF_Y="-12.4"/>
      <bbk:Obs TIME_PERIOD="1972-05" OBS_VALUE="28.536" BBK_DIFF="4.8" BBK_DIFF_Y="-6.6"/>
      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="27.234" BBK_DIFF="-1.7" BBK_DIFF_Y="-6.0"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="27.705" BBK_DIFF="-6.2" BBK_DIFF_Y="-10.8"/>
      <bbk:Obs TIME_PERIOD="1972-02" OBS_VALUE="29.529" BBK_DIFF="-20.1" BBK_DIFF_Y="-4.9"/>
      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="36.951" BBK_DIFF="-4.3" BBK_DIFF_Y="-13.7"/>
      <bbk:Obs TIME_PERIOD="1971-12" OBS_VALUE="38.611" BBK_DIFF="26.1"/>
      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="30.624" BBK_DIFF="3.0"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="29.725" BBK_DIFF="22.9"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="24.182" BBK_DIFF="-11.6"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="27.345" BBK_DIFF="-23.2"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="35.623" BBK_DIFF="22.8"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="29.001" BBK_DIFF="-5.1"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="30.551" BBK_DIFF="5.5"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="28.961" BBK_DIFF="-6.8"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="31.065" BBK_DIFF="0.0"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="31.055" BBK_DIFF="-27.4"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="42.799"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
