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      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="3.792" BBK_DIFF="-7.4" BBK_DIFF_Y="2.0" BBK_EURO="1.939"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="4.093" BBK_DIFF="4.9" BBK_DIFF_Y="7.3" BBK_EURO="2.093"/>
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      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="3.991" BBK_DIFF="-7.9" BBK_DIFF_Y="10.3" BBK_EURO="2.041"/>
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      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="3.833" BBK_DIFF="-2.3" BBK_DIFF_Y="5.8" BBK_EURO="1.96"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="3.925" BBK_DIFF="0.3" BBK_DIFF_Y="11.9" BBK_EURO="2.007"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="3.912" BBK_DIFF="10.6" BBK_DIFF_Y="21.4" BBK_EURO="2.0"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="3.538" BBK_DIFF="27.4" BBK_DIFF_Y="9.8" BBK_EURO="1.809"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="2.776" BBK_DIFF="-3.1" BBK_DIFF_Y="-10.1" BBK_EURO="1.419"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="2.865" BBK_DIFF="-13.2" BBK_DIFF_Y="7.9" BBK_EURO="1.465"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="3.301" BBK_DIFF="-11.2" BBK_DIFF_Y="24.6" BBK_EURO="1.688"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="3.719" BBK_DIFF="-2.5" BBK_DIFF_Y="46.2" BBK_EURO="1.901"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="3.815" BBK_DIFF="5.4" BBK_DIFF_Y="49.3" BBK_EURO="1.951"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="3.621" BBK_DIFF="0.1" BBK_DIFF_Y="27.8" BBK_EURO="1.851"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="3.618" BBK_DIFF="-4.6" BBK_DIFF_Y="55.8" BBK_EURO="1.85"/>
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      <bbk:Obs TIME_PERIOD="1970-11" OBS_VALUE="3.622" BBK_DIFF="3.3" BBK_DIFF_Y="136.9" BBK_EURO="1.852"/>
      <bbk:Obs TIME_PERIOD="1970-10" OBS_VALUE="3.507" BBK_DIFF="8.8" BBK_DIFF_Y="123.1" BBK_EURO="1.793"/>
      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="3.223" BBK_DIFF="0.0" BBK_DIFF_Y="70.4" BBK_EURO="1.648"/>
      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="3.223" BBK_DIFF="4.4" BBK_DIFF_Y="104.8" BBK_EURO="1.648"/>
      <bbk:Obs TIME_PERIOD="1970-07" OBS_VALUE="3.088" BBK_DIFF="16.3" BBK_DIFF_Y="129.3" BBK_EURO="1.579"/>
      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="2.655" BBK_DIFF="0.2" BBK_DIFF_Y="110.9" BBK_EURO="1.357"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="2.65" BBK_DIFF="4.2" BBK_DIFF_Y="108.2" BBK_EURO="1.355"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="2.544" BBK_DIFF="-0.4" BBK_DIFF_Y="113.4" BBK_EURO="1.301"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="2.555" BBK_DIFF="-9.8" BBK_DIFF_Y="167.5" BBK_EURO="1.306"/>
      <bbk:Obs TIME_PERIOD="1970-02" OBS_VALUE="2.833" BBK_DIFF="22.0" BBK_DIFF_Y="211.7" BBK_EURO="1.448"/>
      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="2.322" BBK_DIFF="-6.8" BBK_DIFF_Y="125.4" BBK_EURO="1.187"/>
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      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="1.529" BBK_DIFF="-2.7" BBK_EURO="0.782"/>
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      <bbk:Obs TIME_PERIOD="1969-09" OBS_VALUE="1.891" BBK_DIFF="20.1" BBK_EURO="0.967"/>
      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="1.574" BBK_DIFF="16.9" BBK_EURO="0.805"/>
      <bbk:Obs TIME_PERIOD="1969-07" OBS_VALUE="1.347" BBK_DIFF="7.0" BBK_EURO="0.689"/>
      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="1.259" BBK_DIFF="-1.1" BBK_EURO="0.644"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="1.273" BBK_DIFF="6.8" BBK_EURO="0.651"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="1.192" BBK_DIFF="24.8" BBK_EURO="0.609"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="0.955" BBK_DIFF="5.1" BBK_EURO="0.488"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="0.909" BBK_DIFF="-11.7" BBK_EURO="0.465"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="1.03" BBK_DIFF="-23.5" BBK_EURO="0.527"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="1.346" BBK_EURO="0.688"/>
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  </bbk:DataSet>
</CompactData>
