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      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="25.932" BBK_DIFF="-4.7" BBK_DIFF_Y="17.1" BBK_EURO="13.259"/>
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      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="23.397" BBK_DIFF="-1.3" BBK_DIFF_Y="14.1" BBK_EURO="11.963"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="23.695" BBK_DIFF="-2.1" BBK_DIFF_Y="14.5" BBK_EURO="12.115"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="24.212" BBK_DIFF="-7.3" BBK_DIFF_Y="24.1" BBK_EURO="12.379"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="26.123" BBK_DIFF="6.8" BBK_DIFF_Y="35.9" BBK_EURO="13.356"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="24.454" BBK_DIFF="10.4" BBK_DIFF_Y="26.4" BBK_EURO="12.503"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="22.15" BBK_DIFF="1.5" BBK_DIFF_Y="21.2" BBK_EURO="11.325"/>
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      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="19.376" BBK_DIFF="-5.5" BBK_DIFF_Y="-4.1" BBK_EURO="9.907"/>
      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="20.51" BBK_DIFF="-0.9" BBK_DIFF_Y="11.4" BBK_EURO="10.487"/>
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      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="19.511" BBK_DIFF="1.5" BBK_DIFF_Y="3.6" BBK_EURO="9.976"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="19.222" BBK_DIFF="-0.6" BBK_DIFF_Y="-4.7" BBK_EURO="9.828"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="19.342" BBK_DIFF="5.8" BBK_DIFF_Y="6.1" BBK_EURO="9.889"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="18.282" BBK_DIFF="-3.9" BBK_DIFF_Y="4.6" BBK_EURO="9.347"/>
      <bbk:Obs TIME_PERIOD="1970-02" OBS_VALUE="19.025" BBK_DIFF="-0.8" BBK_DIFF_Y="6.8" BBK_EURO="9.727"/>
      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="19.18" BBK_DIFF="-4.9" BBK_DIFF_Y="6.0" BBK_EURO="9.807"/>
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      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="19.421" BBK_DIFF="-6.5" BBK_EURO="9.93"/>
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      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="18.408" BBK_DIFF="-0.5" BBK_EURO="9.412"/>
      <bbk:Obs TIME_PERIOD="1969-07" OBS_VALUE="18.502" BBK_DIFF="-1.7" BBK_EURO="9.46"/>
      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="18.827" BBK_DIFF="-6.7" BBK_EURO="9.626"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="20.177" BBK_DIFF="10.7" BBK_EURO="10.316"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="18.226" BBK_DIFF="4.2" BBK_EURO="9.319"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="17.484" BBK_DIFF="-1.9" BBK_EURO="8.939"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="17.814" BBK_DIFF="-1.5" BBK_EURO="9.108"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="18.091" BBK_DIFF="1.5" BBK_EURO="9.25"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="17.821" BBK_EURO="9.112"/>
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  </bbk:DataSet>
</CompactData>
