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      <bbk:Obs TIME_PERIOD="1999-10" OBS_VALUE="18.834" BBK_DIFF="-3.8"/>
      <bbk:Obs TIME_PERIOD="1999-09" OBS_VALUE="19.581" BBK_DIFF="2.6"/>
      <bbk:Obs TIME_PERIOD="1999-08" OBS_VALUE="19.094" BBK_DIFF="1.9"/>
      <bbk:Obs TIME_PERIOD="1999-07" OBS_VALUE="18.743" BBK_DIFF="-0.1"/>
      <bbk:Obs TIME_PERIOD="1999-06" OBS_VALUE="18.768" BBK_DIFF="-0.6"/>
      <bbk:Obs TIME_PERIOD="1999-05" OBS_VALUE="18.875" BBK_DIFF="1.6"/>
      <bbk:Obs TIME_PERIOD="1999-04" OBS_VALUE="18.57" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="1999-03" OBS_VALUE="18.692" BBK_DIFF="0.1"/>
      <bbk:Obs TIME_PERIOD="1999-02" OBS_VALUE="18.668" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-01" OBS_VALUE="18.739"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
