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      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="4.375" BBK_DIFF="-1.6" BBK_DIFF_Y="64.5" BBK_EURO="2.237"/>
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      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="4.315" BBK_DIFF="3.6" BBK_DIFF_Y="77.4" BBK_EURO="2.206"/>
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      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="3.815" BBK_DIFF="3.2" BBK_DIFF_Y="73.8" BBK_EURO="1.951"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="3.698" BBK_DIFF="4.0" BBK_DIFF_Y="79.5" BBK_EURO="1.891"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="3.555" BBK_DIFF="2.4" BBK_DIFF_Y="82.8" BBK_EURO="1.818"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="3.472" BBK_DIFF="16.0" BBK_DIFF_Y="111.7" BBK_EURO="1.775"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="2.992" BBK_DIFF="-0.2" BBK_DIFF_Y="145.2" BBK_EURO="1.53"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="2.999" BBK_DIFF="6.2" BBK_DIFF_Y="247.9" BBK_EURO="1.533"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="2.824" BBK_DIFF="6.2" BBK_DIFF_Y="243.6" BBK_EURO="1.444"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="2.659" BBK_DIFF="8.1" BBK_DIFF_Y="224.7" BBK_EURO="1.36"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="2.459" BBK_DIFF="1.1" BBK_DIFF_Y="214.0" BBK_EURO="1.257"/>
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      <bbk:Obs TIME_PERIOD="1970-10" OBS_VALUE="2.195" BBK_DIFF="6.6" BBK_DIFF_Y="156.1" BBK_EURO="1.122"/>
      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="2.06" BBK_DIFF="5.9" BBK_DIFF_Y="129.4" BBK_EURO="1.053"/>
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      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="1.22" BBK_DIFF="41.5" BBK_DIFF_Y="56.8" BBK_EURO="0.624"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="0.862" BBK_DIFF="4.9" BBK_DIFF_Y="15.7" BBK_EURO="0.441"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="0.822" BBK_DIFF="0.4" BBK_DIFF_Y="27.6" BBK_EURO="0.42"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="0.819" BBK_DIFF="4.6" BBK_DIFF_Y="44.4" BBK_EURO="0.419"/>
      <bbk:Obs TIME_PERIOD="1970-02" OBS_VALUE="0.783" BBK_DIFF="2.5" BBK_DIFF_Y="50.3" BBK_EURO="0.4"/>
      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="0.764" BBK_DIFF="-6.3" BBK_DIFF_Y="50.7" BBK_EURO="0.391"/>
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      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="0.837" BBK_DIFF="-2.3" BBK_EURO="0.428"/>
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      <bbk:Obs TIME_PERIOD="1969-09" OBS_VALUE="0.898" BBK_DIFF="17.1" BBK_EURO="0.459"/>
      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="0.767" BBK_DIFF="-1.7" BBK_EURO="0.392"/>
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      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="0.778" BBK_DIFF="4.4" BBK_EURO="0.398"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="0.745" BBK_DIFF="15.7" BBK_EURO="0.381"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="0.644" BBK_DIFF="13.6" BBK_EURO="0.329"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="0.567" BBK_DIFF="8.8" BBK_EURO="0.29"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="0.521" BBK_DIFF="2.8" BBK_EURO="0.266"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="0.507" BBK_DIFF="5.0" BBK_EURO="0.259"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="0.483" BBK_EURO="0.247"/>
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  </bbk:DataSet>
</CompactData>
