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      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="1.423" BBK_DIFF="-1.1" BBK_DIFF_Y="9.6" BBK_EURO="0.728"/>
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      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="1.325" BBK_DIFF="-1.4" BBK_DIFF_Y="5.6" BBK_EURO="0.677"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="1.344" BBK_DIFF="-0.7" BBK_DIFF_Y="4.6" BBK_EURO="0.687"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="1.354" BBK_DIFF="1.2" BBK_DIFF_Y="10.6" BBK_EURO="0.692"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="1.338" BBK_DIFF="-1.0" BBK_DIFF_Y="13.9" BBK_EURO="0.684"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="1.352" BBK_DIFF="-0.2" BBK_DIFF_Y="16.2" BBK_EURO="0.691"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="1.355" BBK_DIFF="0.7" BBK_DIFF_Y="15.9" BBK_EURO="0.693"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="1.345" BBK_DIFF="1.3" BBK_DIFF_Y="16.7" BBK_EURO="0.688"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="1.328" BBK_DIFF="3.8" BBK_DIFF_Y="19.0" BBK_EURO="0.679"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="1.279" BBK_DIFF="-0.8" BBK_DIFF_Y="19.4" BBK_EURO="0.654"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="1.289" BBK_DIFF="-0.7" BBK_DIFF_Y="27.4" BBK_EURO="0.659"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="1.298" BBK_DIFF="-3.2" BBK_DIFF_Y="26.9" BBK_EURO="0.664"/>
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      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="1.285" BBK_DIFF="5.0" BBK_DIFF_Y="61.8" BBK_EURO="0.657"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="1.224" BBK_DIFF="4.2" BBK_DIFF_Y="55.1" BBK_EURO="0.626"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="1.175" BBK_DIFF="0.9" BBK_DIFF_Y="60.3" BBK_EURO="0.601"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="1.164" BBK_DIFF="-0.4" BBK_DIFF_Y="60.3" BBK_EURO="0.595"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="1.169" BBK_DIFF="1.4" BBK_DIFF_Y="59.0" BBK_EURO="0.598"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="1.153" BBK_DIFF="3.3" BBK_DIFF_Y="55.8" BBK_EURO="0.59"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="1.116" BBK_DIFF="4.2" BBK_DIFF_Y="74.1" BBK_EURO="0.571"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="1.071" BBK_DIFF="5.8" BBK_DIFF_Y="61.8" BBK_EURO="0.548"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="1.012" BBK_DIFF="-1.1" BBK_DIFF_Y="50.4" BBK_EURO="0.517"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="1.023" BBK_DIFF="-2.2" BBK_DIFF_Y="50.7" BBK_EURO="0.523"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="1.046" BBK_DIFF="33.2" BBK_DIFF_Y="53.6" BBK_EURO="0.535"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="0.785" BBK_DIFF="-1.1" BBK_EURO="0.401"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="0.794" BBK_DIFF="0.6" BBK_EURO="0.406"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="0.789" BBK_DIFF="7.6" BBK_EURO="0.403"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="0.733" BBK_DIFF="1.0" BBK_EURO="0.375"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="0.726" BBK_DIFF="-1.2" BBK_EURO="0.371"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="0.735" BBK_DIFF="-0.7" BBK_EURO="0.376"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="0.74" BBK_DIFF="15.4" BBK_EURO="0.378"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="0.641" BBK_DIFF="-3.2" BBK_EURO="0.328"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="0.662" BBK_DIFF="-1.6" BBK_EURO="0.338"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="0.673" BBK_DIFF="-0.9" BBK_EURO="0.344"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="0.679" BBK_DIFF="-0.3" BBK_EURO="0.347"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="0.681" BBK_EURO="0.348"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
