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      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="21.352" BBK_DIFF="-10.0" BBK_DIFF_Y="1.9" BBK_EURO="10.917"/>
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      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="20.513" BBK_DIFF="-2.9" BBK_DIFF_Y="3.4" BBK_EURO="10.488"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="21.117" BBK_DIFF="-8.0" BBK_DIFF_Y="12.5" BBK_EURO="10.797"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="22.955" BBK_DIFF="2.3" BBK_DIFF_Y="24.3" BBK_EURO="11.737"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="22.431" BBK_DIFF="7.0" BBK_DIFF_Y="24.7" BBK_EURO="11.469"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="20.954" BBK_DIFF="0.2" BBK_DIFF_Y="25.3" BBK_EURO="10.714"/>
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      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="20.38" BBK_DIFF="3.1" BBK_DIFF_Y="20.3" BBK_EURO="10.42"/>
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      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="18.679" BBK_DIFF="-6.1" BBK_DIFF_Y="3.5" BBK_EURO="9.55"/>
      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="19.891" BBK_DIFF="0.2" BBK_DIFF_Y="21.2" BBK_EURO="10.17"/>
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      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="18.765" BBK_DIFF="1.6" BBK_DIFF_Y="8.3" BBK_EURO="9.594"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="18.465" BBK_DIFF="2.6" BBK_DIFF_Y="-2.8" BBK_EURO="9.441"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="17.994" BBK_DIFF="7.6" BBK_DIFF_Y="11.4" BBK_EURO="9.2"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="16.724" BBK_DIFF="-3.7" BBK_DIFF_Y="6.9" BBK_EURO="8.551"/>
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      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="16.935" BBK_DIFF="-4.7" BBK_DIFF_Y="5.0" BBK_EURO="8.659"/>
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      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="17.12" BBK_DIFF="-9.0" BBK_EURO="8.753"/>
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      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="17.333" BBK_DIFF="-8.8" BBK_EURO="8.862"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="19.005" BBK_DIFF="17.6" BBK_EURO="9.717"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="16.154" BBK_DIFF="3.3" BBK_EURO="8.259"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="15.64" BBK_DIFF="-2.0" BBK_EURO="7.997"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="15.962" BBK_DIFF="-1.0" BBK_EURO="8.161"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="16.13" BBK_DIFF="0.9" BBK_EURO="8.247"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="15.99" BBK_EURO="8.176"/>
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  </bbk:DataSet>
</CompactData>
