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      <bbk:Obs TIME_PERIOD="1988-09" OBS_VALUE="106.425" BBK_DIFF="5.2" BBK_DIFF_Y="137.9" BBK_EURO="54.414"/>
      <bbk:Obs TIME_PERIOD="1988-08" OBS_VALUE="101.165" BBK_DIFF="5.9" BBK_DIFF_Y="136.7" BBK_EURO="51.725"/>
      <bbk:Obs TIME_PERIOD="1988-07" OBS_VALUE="95.541" BBK_DIFF="7.0" BBK_DIFF_Y="149.1" BBK_EURO="48.849"/>
      <bbk:Obs TIME_PERIOD="1988-06" OBS_VALUE="89.263" BBK_DIFF="6.9" BBK_DIFF_Y="160.7" BBK_EURO="45.639"/>
      <bbk:Obs TIME_PERIOD="1988-05" OBS_VALUE="83.504" BBK_DIFF="8.4" BBK_DIFF_Y="165.7" BBK_EURO="42.695"/>
      <bbk:Obs TIME_PERIOD="1988-04" OBS_VALUE="77.044" BBK_DIFF="8.6" BBK_DIFF_Y="175.8" BBK_EURO="39.392"/>
      <bbk:Obs TIME_PERIOD="1988-03" OBS_VALUE="70.931" BBK_DIFF="7.5" BBK_DIFF_Y="174.8" BBK_EURO="36.266"/>
      <bbk:Obs TIME_PERIOD="1988-02" OBS_VALUE="65.958" BBK_DIFF="8.0" BBK_DIFF_Y="182.6" BBK_EURO="33.724"/>
      <bbk:Obs TIME_PERIOD="1988-01" OBS_VALUE="61.057" BBK_DIFF="7.1" BBK_DIFF_Y="191.4" BBK_EURO="31.218"/>
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      <bbk:Obs TIME_PERIOD="1987-11" OBS_VALUE="54.26" BBK_DIFF="7.4" BBK_DIFF_Y="240.0" BBK_EURO="27.743"/>
      <bbk:Obs TIME_PERIOD="1987-10" OBS_VALUE="50.543" BBK_DIFF="13.0" BBK_DIFF_Y="241.4" BBK_EURO="25.842"/>
      <bbk:Obs TIME_PERIOD="1987-09" OBS_VALUE="44.743" BBK_DIFF="4.7" BBK_DIFF_Y="254.5" BBK_EURO="22.877"/>
      <bbk:Obs TIME_PERIOD="1987-08" OBS_VALUE="42.736" BBK_DIFF="11.4" BBK_DIFF_Y="248.1" BBK_EURO="21.851"/>
      <bbk:Obs TIME_PERIOD="1987-07" OBS_VALUE="38.35" BBK_DIFF="12.0" BBK_DIFF_Y="281.8" BBK_EURO="19.608"/>
      <bbk:Obs TIME_PERIOD="1987-06" OBS_VALUE="34.235" BBK_DIFF="8.9" BBK_DIFF_Y="264.0" BBK_EURO="17.504"/>
      <bbk:Obs TIME_PERIOD="1987-05" OBS_VALUE="31.433" BBK_DIFF="12.5" BBK_EURO="16.071"/>
      <bbk:Obs TIME_PERIOD="1987-04" OBS_VALUE="27.938" BBK_DIFF="8.2" BBK_EURO="14.284"/>
      <bbk:Obs TIME_PERIOD="1987-03" OBS_VALUE="25.815" BBK_DIFF="10.6" BBK_EURO="13.199"/>
      <bbk:Obs TIME_PERIOD="1987-02" OBS_VALUE="23.343" BBK_DIFF="11.4" BBK_EURO="11.935"/>
      <bbk:Obs TIME_PERIOD="1987-01" OBS_VALUE="20.951" BBK_DIFF="24.9" BBK_EURO="10.712"/>
      <bbk:Obs TIME_PERIOD="1986-12" OBS_VALUE="16.769" BBK_DIFF="5.1" BBK_EURO="8.574"/>
      <bbk:Obs TIME_PERIOD="1986-11" OBS_VALUE="15.959" BBK_DIFF="7.8" BBK_EURO="8.16"/>
      <bbk:Obs TIME_PERIOD="1986-10" OBS_VALUE="14.806" BBK_DIFF="17.3" BBK_EURO="7.57"/>
      <bbk:Obs TIME_PERIOD="1986-09" OBS_VALUE="12.62" BBK_DIFF="2.8" BBK_EURO="6.453"/>
      <bbk:Obs TIME_PERIOD="1986-08" OBS_VALUE="12.278" BBK_DIFF="22.2" BBK_EURO="6.278"/>
      <bbk:Obs TIME_PERIOD="1986-07" OBS_VALUE="10.044" BBK_DIFF="6.8" BBK_EURO="5.135"/>
      <bbk:Obs TIME_PERIOD="1986-06" OBS_VALUE="9.405" BBK_EURO="4.809"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
