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      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="21.714" BBK_DIFF="-9.7" BBK_DIFF_Y="-3.7" BBK_EURO="11.102"/>
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      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="21.566" BBK_DIFF="1.5" BBK_DIFF_Y="9.3" BBK_EURO="11.027"/>
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      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="21.966" BBK_DIFF="-9.5" BBK_DIFF_Y="12.3" BBK_EURO="11.231"/>
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      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="19.739" BBK_DIFF="-5.1" BBK_DIFF_Y="8.7" BBK_EURO="10.092"/>
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      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="18.634" BBK_DIFF="8.0" BBK_DIFF_Y="14.3" BBK_EURO="9.527"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="17.254" BBK_DIFF="-4.1" BBK_DIFF_Y="9.3" BBK_EURO="8.822"/>
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      <bbk:Obs TIME_PERIOD="1969-09" OBS_VALUE="18.151" BBK_DIFF="9.8" BBK_EURO="9.28"/>
      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="16.535" BBK_DIFF="-1.4" BBK_EURO="8.454"/>
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      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="17.487" BBK_DIFF="-8.7" BBK_EURO="8.941"/>
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      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="16.308" BBK_DIFF="3.3" BBK_EURO="8.338"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="15.79" BBK_DIFF="-2.3" BBK_EURO="8.073"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="16.158" BBK_DIFF="-1.1" BBK_EURO="8.261"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="16.344" BBK_DIFF="0.4" BBK_EURO="8.357"/>
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</CompactData>
