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      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="0.204" BBK_DIFF="3.6" BBK_DIFF_Y="137.2" BBK_EURO="0.104"/>
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      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="0.187" BBK_DIFF="4.5" BBK_DIFF_Y="133.8" BBK_EURO="0.096"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="0.179" BBK_DIFF="0.0" BBK_DIFF_Y="135.5" BBK_EURO="0.092"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="0.179" BBK_DIFF="2.9" BBK_DIFF_Y="138.7" BBK_EURO="0.092"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="0.174" BBK_DIFF="8.1" BBK_DIFF_Y="135.1" BBK_EURO="0.089"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="0.161" BBK_DIFF="6.6" BBK_DIFF_Y="120.5" BBK_EURO="0.082"/>
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      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="0.139" BBK_DIFF="20.9" BBK_DIFF_Y="93.1" BBK_EURO="0.071"/>
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      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="0.086" BBK_DIFF="3.6" BBK_DIFF_Y="32.3" BBK_EURO="0.044"/>
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      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="0.072" BBK_DIFF="2.9" BBK_DIFF_Y="38.5" BBK_EURO="0.037"/>
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      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="0.061" BBK_DIFF="1.7" BBK_EURO="0.031"/>
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      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="0.056" BBK_DIFF="1.8" BBK_EURO="0.029"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="0.055" BBK_DIFF="5.8" BBK_EURO="0.028"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="0.052" BBK_DIFF="10.6" BBK_EURO="0.027"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="0.047" BBK_EURO="0.024"/>
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  </bbk:DataSet>
</CompactData>
