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    <Prepared>2026-04-20T17:29:24</Prepared>
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      <bbk:Obs TIME_PERIOD="1999-05" OBS_VALUE="66.958" BBK_DIFF="-0.4"/>
      <bbk:Obs TIME_PERIOD="1999-04" OBS_VALUE="67.223" BBK_DIFF="-0.7"/>
      <bbk:Obs TIME_PERIOD="1999-03" OBS_VALUE="67.678" BBK_DIFF="-0.9"/>
      <bbk:Obs TIME_PERIOD="1999-02" OBS_VALUE="68.26" BBK_DIFF="-1.3"/>
      <bbk:Obs TIME_PERIOD="1999-01" OBS_VALUE="69.182"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
