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      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="24.133" BBK_DIFF="-0.8" BBK_DIFF_Y="17.0" BBK_EURO="12.339"/>
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      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="20.734" BBK_DIFF="1.3" BBK_DIFF_Y="7.6" BBK_EURO="10.601"/>
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      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="18.888" BBK_DIFF="0.5" BBK_DIFF_Y="6.4" BBK_EURO="9.657"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="18.791" BBK_DIFF="-0.4" BBK_DIFF_Y="9.4" BBK_EURO="9.608"/>
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      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="17.694" BBK_EURO="9.047"/>
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</CompactData>
