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      <bbk:Obs TIME_PERIOD="1973-04" OBS_VALUE="14.878" BBK_DIFF="-0.5" BBK_DIFF_Y="10.5" BBK_EURO="7.607"/>
      <bbk:Obs TIME_PERIOD="1973-03" OBS_VALUE="14.948" BBK_DIFF="-7.3" BBK_DIFF_Y="14.6" BBK_EURO="7.643"/>
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      <bbk:Obs TIME_PERIOD="1972-10" OBS_VALUE="14.38" BBK_DIFF="1.2" BBK_DIFF_Y="15.0" BBK_EURO="7.352"/>
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      <bbk:Obs TIME_PERIOD="1972-08" OBS_VALUE="14.937" BBK_DIFF="9.5" BBK_DIFF_Y="10.4" BBK_EURO="7.637"/>
      <bbk:Obs TIME_PERIOD="1972-07" OBS_VALUE="13.644" BBK_DIFF="0.5" BBK_DIFF_Y="7.7" BBK_EURO="6.976"/>
      <bbk:Obs TIME_PERIOD="1972-06" OBS_VALUE="13.575" BBK_DIFF="-6.4" BBK_DIFF_Y="6.2" BBK_EURO="6.941"/>
      <bbk:Obs TIME_PERIOD="1972-05" OBS_VALUE="14.502" BBK_DIFF="7.7" BBK_DIFF_Y="4.8" BBK_EURO="7.415"/>
      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="13.46" BBK_DIFF="3.2" BBK_DIFF_Y="6.0" BBK_EURO="6.882"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="13.046" BBK_DIFF="-4.4" BBK_DIFF_Y="1.9" BBK_EURO="6.67"/>
      <bbk:Obs TIME_PERIOD="1972-02" OBS_VALUE="13.647" BBK_DIFF="9.7" BBK_DIFF_Y="-0.4" BBK_EURO="6.978"/>
      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="12.442" BBK_DIFF="-6.9" BBK_DIFF_Y="-3.1" BBK_EURO="6.361"/>
      <bbk:Obs TIME_PERIOD="1971-12" OBS_VALUE="13.362" BBK_DIFF="2.4" BBK_DIFF_Y="-5.0" BBK_EURO="6.832"/>
      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="13.045" BBK_DIFF="4.3" BBK_DIFF_Y="-5.9" BBK_EURO="6.67"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="12.508" BBK_DIFF="-1.0" BBK_DIFF_Y="-4.1" BBK_EURO="6.395"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="12.629" BBK_DIFF="-6.6" BBK_DIFF_Y="-7.3" BBK_EURO="6.457"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="13.525" BBK_DIFF="6.8" BBK_DIFF_Y="-7.5" BBK_EURO="6.915"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="12.668" BBK_DIFF="-0.9" BBK_DIFF_Y="-10.2" BBK_EURO="6.477"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="12.785" BBK_DIFF="-7.6" BBK_DIFF_Y="-13.4" BBK_EURO="6.537"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="13.84" BBK_DIFF="9.0" BBK_DIFF_Y="-11.8" BBK_EURO="7.076"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="12.698" BBK_DIFF="-0.8" BBK_DIFF_Y="-14.9" BBK_EURO="6.492"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="12.802" BBK_DIFF="-6.6" BBK_DIFF_Y="-16.3" BBK_EURO="6.546"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="13.703" BBK_DIFF="6.7" BBK_DIFF_Y="-14.8" BBK_EURO="7.006"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="12.842" BBK_DIFF="-8.7" BBK_DIFF_Y="-15.5" BBK_EURO="6.566"/>
      <bbk:Obs TIME_PERIOD="1970-12" OBS_VALUE="14.06" BBK_DIFF="1.4" BBK_DIFF_Y="-12.2" BBK_EURO="7.189"/>
      <bbk:Obs TIME_PERIOD="1970-11" OBS_VALUE="13.861" BBK_DIFF="6.3" BBK_DIFF_Y="-5.4" BBK_EURO="7.087"/>
      <bbk:Obs TIME_PERIOD="1970-10" OBS_VALUE="13.044" BBK_DIFF="-4.3" BBK_DIFF_Y="-4.2" BBK_EURO="6.669"/>
      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="13.63" BBK_DIFF="-6.8" BBK_DIFF_Y="-3.4" BBK_EURO="6.969"/>
      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="14.617" BBK_DIFF="3.6" BBK_DIFF_Y="0.5" BBK_EURO="7.474"/>
      <bbk:Obs TIME_PERIOD="1970-07" OBS_VALUE="14.114" BBK_DIFF="-4.4" BBK_DIFF_Y="6.2" BBK_EURO="7.216"/>
      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="14.761" BBK_DIFF="-6.0" BBK_DIFF_Y="6.8" BBK_EURO="7.547"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="15.699" BBK_DIFF="5.2" BBK_DIFF_Y="9.4" BBK_EURO="8.027"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="14.928" BBK_DIFF="-2.4" BBK_DIFF_Y="11.4" BBK_EURO="7.633"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="15.302" BBK_DIFF="-4.9" BBK_DIFF_Y="11.3" BBK_EURO="7.824"/>
      <bbk:Obs TIME_PERIOD="1970-02" OBS_VALUE="16.084" BBK_DIFF="5.9" BBK_DIFF_Y="14.0" BBK_EURO="8.224"/>
      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="15.189" BBK_DIFF="-5.2" BBK_DIFF_Y="17.9" BBK_EURO="7.766"/>
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      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="14.651" BBK_DIFF="7.6" BBK_EURO="7.491"/>
      <bbk:Obs TIME_PERIOD="1969-10" OBS_VALUE="13.611" BBK_DIFF="-3.6" BBK_EURO="6.959"/>
      <bbk:Obs TIME_PERIOD="1969-09" OBS_VALUE="14.115" BBK_DIFF="-3.0" BBK_EURO="7.217"/>
      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="14.551" BBK_DIFF="9.4" BBK_EURO="7.44"/>
      <bbk:Obs TIME_PERIOD="1969-07" OBS_VALUE="13.296" BBK_DIFF="-3.8" BBK_EURO="6.798"/>
      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="13.819" BBK_DIFF="-3.7" BBK_EURO="7.066"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="14.353" BBK_DIFF="7.1" BBK_EURO="7.339"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="13.402" BBK_DIFF="-2.5" BBK_EURO="6.852"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="13.752" BBK_DIFF="-2.6" BBK_EURO="7.031"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="14.112" BBK_DIFF="9.5" BBK_EURO="7.215"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="12.886" BBK_DIFF="-7.4" BBK_EURO="6.589"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="13.922" BBK_EURO="7.118"/>
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  </bbk:DataSet>
</CompactData>
