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      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="1.397" BBK_DIFF="5.2" BBK_DIFF_Y="32.8" BBK_EURO="0.714"/>
      <bbk:Obs TIME_PERIOD="1972-02" OBS_VALUE="1.328" BBK_DIFF="4.6" BBK_DIFF_Y="30.7" BBK_EURO="0.679"/>
      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="1.27" BBK_DIFF="4.5" BBK_DIFF_Y="28.9" BBK_EURO="0.649"/>
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      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="1.179" BBK_DIFF="1.2" BBK_DIFF_Y="28.9" BBK_EURO="0.603"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="1.165" BBK_DIFF="2.0" BBK_DIFF_Y="28.9" BBK_EURO="0.596"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="1.142" BBK_DIFF="1.2" BBK_DIFF_Y="28.0" BBK_EURO="0.584"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="1.128" BBK_DIFF="1.4" BBK_DIFF_Y="28.0" BBK_EURO="0.577"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="1.112" BBK_DIFF="1.4" BBK_DIFF_Y="27.7" BBK_EURO="0.569"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="1.097" BBK_DIFF="0.8" BBK_DIFF_Y="28.3" BBK_EURO="0.561"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="1.088" BBK_DIFF="1.1" BBK_DIFF_Y="29.2" BBK_EURO="0.556"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="1.076" BBK_DIFF="2.3" BBK_DIFF_Y="30.6" BBK_EURO="0.55"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="1.052" BBK_DIFF="3.5" BBK_DIFF_Y="35.7" BBK_EURO="0.538"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="1.016" BBK_DIFF="3.1" BBK_DIFF_Y="32.3" BBK_EURO="0.519"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="0.985" BBK_DIFF="4.7" BBK_DIFF_Y="34.6" BBK_EURO="0.504"/>
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      <bbk:Obs TIME_PERIOD="1970-10" OBS_VALUE="0.904" BBK_DIFF="1.3" BBK_DIFF_Y="36.1" BBK_EURO="0.462"/>
      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="0.892" BBK_DIFF="1.2" BBK_DIFF_Y="38.3" BBK_EURO="0.456"/>
      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="0.881" BBK_DIFF="1.1" BBK_DIFF_Y="41.0" BBK_EURO="0.45"/>
      <bbk:Obs TIME_PERIOD="1970-07" OBS_VALUE="0.871" BBK_DIFF="1.9" BBK_DIFF_Y="46.1" BBK_EURO="0.445"/>
      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="0.855" BBK_DIFF="1.5" BBK_DIFF_Y="51.9" BBK_EURO="0.437"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="0.842" BBK_DIFF="2.2" BBK_DIFF_Y="53.4" BBK_EURO="0.431"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="0.824" BBK_DIFF="6.3" BBK_DIFF_Y="57.0" BBK_EURO="0.421"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="0.775" BBK_DIFF="0.9" BBK_DIFF_Y="53.2" BBK_EURO="0.396"/>
      <bbk:Obs TIME_PERIOD="1970-02" OBS_VALUE="0.768" BBK_DIFF="4.9" BBK_DIFF_Y="60.7" BBK_EURO="0.393"/>
      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="0.732" BBK_DIFF="4.6" BBK_DIFF_Y="66.7" BBK_EURO="0.374"/>
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      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="0.68" BBK_DIFF="2.4" BBK_EURO="0.348"/>
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      <bbk:Obs TIME_PERIOD="1969-09" OBS_VALUE="0.645" BBK_DIFF="3.2" BBK_EURO="0.33"/>
      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="0.625" BBK_DIFF="4.9" BBK_EURO="0.32"/>
      <bbk:Obs TIME_PERIOD="1969-07" OBS_VALUE="0.596" BBK_DIFF="5.9" BBK_EURO="0.305"/>
      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="0.563" BBK_DIFF="2.6" BBK_EURO="0.288"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="0.549" BBK_DIFF="4.6" BBK_EURO="0.281"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="0.525" BBK_DIFF="3.8" BBK_EURO="0.268"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="0.506" BBK_DIFF="5.9" BBK_EURO="0.259"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="0.478" BBK_DIFF="8.9" BBK_EURO="0.244"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="0.439" BBK_DIFF="13.7" BBK_EURO="0.224"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="0.386" BBK_EURO="0.197"/>
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  </bbk:DataSet>
</CompactData>
