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      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="1.939" BBK_DIFF="5.2" BBK_DIFF_Y="21.9" BBK_EURO="0.991"/>
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      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="1.666" BBK_DIFF="-34.9" BBK_DIFF_Y="16.3" BBK_EURO="0.852"/>
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      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="1.463" BBK_DIFF="1.7" BBK_DIFF_Y="14.0" BBK_EURO="0.748"/>
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</CompactData>
