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      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="0.783" BBK_DIFF="-33.8" BBK_DIFF_Y="13.5" BBK_EURO="0.4"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="1.183" BBK_DIFF="12.1" BBK_DIFF_Y="7.6" BBK_EURO="0.605"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="1.055" BBK_DIFF="11.4" BBK_DIFF_Y="13.3" BBK_EURO="0.539"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="0.947" BBK_DIFF="-8.6" BBK_DIFF_Y="9.2" BBK_EURO="0.484"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="1.036" BBK_DIFF="0.2" BBK_DIFF_Y="16.0" BBK_EURO="0.53"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="1.034" BBK_DIFF="5.3" BBK_DIFF_Y="11.9" BBK_EURO="0.529"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="0.982" BBK_DIFF="-4.0" BBK_DIFF_Y="15.0" BBK_EURO="0.502"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="1.023" BBK_DIFF="4.4" BBK_DIFF_Y="16.4" BBK_EURO="0.523"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="0.98" BBK_DIFF="9.1" BBK_DIFF_Y="11.6" BBK_EURO="0.501"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="0.898" BBK_DIFF="-5.6" BBK_DIFF_Y="7.8" BBK_EURO="0.459"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="0.951" BBK_DIFF="-1.0" BBK_DIFF_Y="26.3" BBK_EURO="0.486"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="0.961" BBK_DIFF="39.3" BBK_DIFF_Y="14.3" BBK_EURO="0.491"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="0.69" BBK_DIFF="-37.2" BBK_DIFF_Y="16.2" BBK_EURO="0.353"/>
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      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="0.931" BBK_DIFF="7.4" BBK_DIFF_Y="16.4" BBK_EURO="0.476"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="0.867" BBK_DIFF="-2.9" BBK_DIFF_Y="16.2" BBK_EURO="0.443"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="0.893" BBK_DIFF="-3.4" BBK_DIFF_Y="26.5" BBK_EURO="0.457"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="0.924" BBK_DIFF="8.2" BBK_DIFF_Y="14.6" BBK_EURO="0.472"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="0.854" BBK_DIFF="-2.8" BBK_DIFF_Y="14.3" BBK_EURO="0.437"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="0.879" BBK_DIFF="0.1" BBK_DIFF_Y="27.6" BBK_EURO="0.449"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="0.878" BBK_DIFF="5.4" BBK_DIFF_Y="16.9" BBK_EURO="0.449"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="0.833" BBK_DIFF="10.6" BBK_DIFF_Y="25.1" BBK_EURO="0.426"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="0.753" BBK_DIFF="-10.5" BBK_DIFF_Y="12.7" BBK_EURO="0.385"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="0.841" BBK_DIFF="41.6" BBK_DIFF_Y="23.0" BBK_EURO="0.43"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="0.594" BBK_DIFF="-36.0" BBK_DIFF_Y="24.0" BBK_EURO="0.304"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="0.928" BBK_DIFF="16.0" BBK_DIFF_Y="31.6" BBK_EURO="0.474"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="0.8" BBK_DIFF="7.2" BBK_EURO="0.409"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="0.746" BBK_DIFF="5.7" BBK_EURO="0.381"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="0.706" BBK_DIFF="-12.4" BBK_EURO="0.361"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="0.806" BBK_DIFF="7.9" BBK_EURO="0.412"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="0.747" BBK_DIFF="8.4" BBK_EURO="0.382"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="0.689" BBK_DIFF="-8.3" BBK_EURO="0.352"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="0.751" BBK_DIFF="12.8" BBK_EURO="0.384"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="0.666" BBK_DIFF="-0.3" BBK_EURO="0.341"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="0.668" BBK_DIFF="-2.3" BBK_EURO="0.342"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="0.684" BBK_DIFF="42.8" BBK_EURO="0.35"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="0.479" BBK_DIFF="-32.1" BBK_EURO="0.245"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="0.705" BBK_EURO="0.36"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
