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      <bbk:Obs TIME_PERIOD="1973-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1973-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1973-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1973-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1973-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1973-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-12" OBS_VALUE="30.421" BBK_DIFF_Y="-8.3" BBK_EURO="15.554"/>
      <bbk:Obs TIME_PERIOD="1972-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1972-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-12" OBS_VALUE="33.172" BBK_DIFF_Y="-5.6" BBK_EURO="16.961"/>
      <bbk:Obs TIME_PERIOD="1971-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1971-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-12" OBS_VALUE="35.128" BBK_DIFF_Y="13.5" BBK_EURO="17.961"/>
      <bbk:Obs TIME_PERIOD="1970-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1970-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-12" OBS_VALUE="30.963" BBK_DIFF_Y="62.1" BBK_EURO="15.831"/>
      <bbk:Obs TIME_PERIOD="1969-11" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-10" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-09" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-08" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-07" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-06" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-05" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-04" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-03" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-02" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1969-01" BBK_OBS_STATUS="K"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="19.107" BBK_EURO="9.769"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
