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      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="4.636" BBK_DIFF="-1.4" BBK_DIFF_Y="7.0" BBK_EURO="2.37"/>
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      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="4.22" BBK_DIFF="0.3" BBK_DIFF_Y="18.4" BBK_EURO="2.158"/>
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      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="3.993" BBK_DIFF="2.9" BBK_DIFF_Y="17.7" BBK_EURO="2.042"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="3.882" BBK_DIFF="3.7" BBK_DIFF_Y="15.1" BBK_EURO="1.985"/>
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      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="3.651" BBK_DIFF="-6.0" BBK_DIFF_Y="14.2" BBK_EURO="1.867"/>
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      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="3.323" BBK_DIFF="2.3" BBK_DIFF_Y="1.8" BBK_EURO="1.699"/>
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      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="3.197" BBK_DIFF="-6.6" BBK_DIFF_Y="-0.4" BBK_EURO="1.635"/>
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      <bbk:Obs TIME_PERIOD="1973-11" OBS_VALUE="3.431" BBK_DIFF="7.8" BBK_DIFF_Y="-3.9" BBK_EURO="1.754"/>
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      <bbk:Obs TIME_PERIOD="1973-09" OBS_VALUE="3.168" BBK_DIFF="-1.6" BBK_DIFF_Y="-1.4" BBK_EURO="1.62"/>
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      <bbk:Obs TIME_PERIOD="1973-06" OBS_VALUE="3.348" BBK_DIFF="2.4" BBK_DIFF_Y="5.8" BBK_EURO="1.712"/>
      <bbk:Obs TIME_PERIOD="1973-05" OBS_VALUE="3.271" BBK_DIFF="-1.3" BBK_DIFF_Y="7.8" BBK_EURO="1.672"/>
      <bbk:Obs TIME_PERIOD="1973-04" OBS_VALUE="3.313" BBK_DIFF="1.5" BBK_DIFF_Y="10.9" BBK_EURO="1.694"/>
      <bbk:Obs TIME_PERIOD="1973-03" OBS_VALUE="3.264" BBK_DIFF="1.3" BBK_DIFF_Y="12.5" BBK_EURO="1.669"/>
      <bbk:Obs TIME_PERIOD="1973-02" OBS_VALUE="3.221" BBK_DIFF="0.3" BBK_DIFF_Y="12.3" BBK_EURO="1.647"/>
      <bbk:Obs TIME_PERIOD="1973-01" OBS_VALUE="3.211" BBK_DIFF="-5.4" BBK_DIFF_Y="12.4" BBK_EURO="1.642"/>
      <bbk:Obs TIME_PERIOD="1972-12" OBS_VALUE="3.394" BBK_DIFF="-5.0" BBK_DIFF_Y="16.4" BBK_EURO="1.735"/>
      <bbk:Obs TIME_PERIOD="1972-11" OBS_VALUE="3.572" BBK_DIFF="9.2" BBK_DIFF_Y="16.6" BBK_EURO="1.826"/>
      <bbk:Obs TIME_PERIOD="1972-10" OBS_VALUE="3.272" BBK_DIFF="1.9" BBK_DIFF_Y="15.0" BBK_EURO="1.673"/>
      <bbk:Obs TIME_PERIOD="1972-09" OBS_VALUE="3.212" BBK_DIFF="-1.2" BBK_DIFF_Y="15.0" BBK_EURO="1.642"/>
      <bbk:Obs TIME_PERIOD="1972-08" OBS_VALUE="3.252" BBK_DIFF="-0.5" BBK_DIFF_Y="15.0" BBK_EURO="1.663"/>
      <bbk:Obs TIME_PERIOD="1972-07" OBS_VALUE="3.268" BBK_DIFF="3.3" BBK_DIFF_Y="17.0" BBK_EURO="1.671"/>
      <bbk:Obs TIME_PERIOD="1972-06" OBS_VALUE="3.165" BBK_DIFF="4.3" BBK_DIFF_Y="17.5" BBK_EURO="1.618"/>
      <bbk:Obs TIME_PERIOD="1972-05" OBS_VALUE="3.035" BBK_DIFF="1.6" BBK_DIFF_Y="13.5" BBK_EURO="1.552"/>
      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="2.988" BBK_DIFF="3.0" BBK_DIFF_Y="17.2" BBK_EURO="1.528"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="2.901" BBK_DIFF="1.2" BBK_DIFF_Y="17.9" BBK_EURO="1.483"/>
      <bbk:Obs TIME_PERIOD="1972-02" OBS_VALUE="2.867" BBK_DIFF="0.4" BBK_DIFF_Y="16.4" BBK_EURO="1.466"/>
      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="2.856" BBK_DIFF="-2.1" BBK_DIFF_Y="16.7" BBK_EURO="1.46"/>
      <bbk:Obs TIME_PERIOD="1971-12" OBS_VALUE="2.917" BBK_DIFF="-4.8" BBK_DIFF_Y="15.0" BBK_EURO="1.491"/>
      <bbk:Obs TIME_PERIOD="1971-11" OBS_VALUE="3.064" BBK_DIFF="7.7" BBK_DIFF_Y="17.8" BBK_EURO="1.567"/>
      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="2.846" BBK_DIFF="1.9" BBK_DIFF_Y="17.3" BBK_EURO="1.455"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="2.793" BBK_DIFF="-1.3" BBK_DIFF_Y="16.8" BBK_EURO="1.428"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="2.829" BBK_DIFF="1.3" BBK_DIFF_Y="17.7" BBK_EURO="1.446"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="2.792" BBK_DIFF="3.6" BBK_DIFF_Y="17.2" BBK_EURO="1.428"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="2.694" BBK_DIFF="0.8" BBK_DIFF_Y="14.9" BBK_EURO="1.377"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="2.673" BBK_DIFF="4.8" BBK_DIFF_Y="15.8" BBK_EURO="1.367"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="2.55" BBK_DIFF="3.6" BBK_DIFF_Y="15.9" BBK_EURO="1.304"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="2.461" BBK_DIFF="-0.1" BBK_DIFF_Y="12.1" BBK_EURO="1.258"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="2.463" BBK_DIFF="0.6" BBK_DIFF_Y="11.9" BBK_EURO="1.259"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="2.448" BBK_DIFF="-3.5" BBK_DIFF_Y="10.4" BBK_EURO="1.252"/>
      <bbk:Obs TIME_PERIOD="1970-12" OBS_VALUE="2.537" BBK_DIFF="-2.4" BBK_DIFF_Y="11.4" BBK_EURO="1.297"/>
      <bbk:Obs TIME_PERIOD="1970-11" OBS_VALUE="2.6" BBK_DIFF="7.1" BBK_DIFF_Y="8.3" BBK_EURO="1.329"/>
      <bbk:Obs TIME_PERIOD="1970-10" OBS_VALUE="2.427" BBK_DIFF="1.5" BBK_DIFF_Y="7.6" BBK_EURO="1.241"/>
      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="2.392" BBK_DIFF="-0.5" BBK_DIFF_Y="7.3" BBK_EURO="1.223"/>
      <bbk:Obs TIME_PERIOD="1970-08" OBS_VALUE="2.403" BBK_DIFF="0.8" BBK_DIFF_Y="6.7" BBK_EURO="1.229"/>
      <bbk:Obs TIME_PERIOD="1970-07" OBS_VALUE="2.383" BBK_DIFF="1.6" BBK_DIFF_Y="7.7" BBK_EURO="1.218"/>
      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="2.345" BBK_DIFF="1.6" BBK_DIFF_Y="9.4" BBK_EURO="1.199"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="2.308" BBK_DIFF="4.9" BBK_DIFF_Y="7.9" BBK_EURO="1.18"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="2.201" BBK_DIFF="0.2" BBK_DIFF_Y="7.2" BBK_EURO="1.125"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="2.196" BBK_DIFF="-0.2" BBK_DIFF_Y="9.5" BBK_EURO="1.123"/>
      <bbk:Obs TIME_PERIOD="1970-02" OBS_VALUE="2.201" BBK_DIFF="-0.8" BBK_DIFF_Y="10.0" BBK_EURO="1.125"/>
      <bbk:Obs TIME_PERIOD="1970-01" OBS_VALUE="2.218" BBK_DIFF="-2.6" BBK_DIFF_Y="9.9" BBK_EURO="1.134"/>
      <bbk:Obs TIME_PERIOD="1969-12" OBS_VALUE="2.278" BBK_DIFF="-5.1" BBK_DIFF_Y="8.6" BBK_EURO="1.165"/>
      <bbk:Obs TIME_PERIOD="1969-11" OBS_VALUE="2.401" BBK_DIFF="6.4" BBK_EURO="1.228"/>
      <bbk:Obs TIME_PERIOD="1969-10" OBS_VALUE="2.256" BBK_DIFF="1.2" BBK_EURO="1.153"/>
      <bbk:Obs TIME_PERIOD="1969-09" OBS_VALUE="2.23" BBK_DIFF="-1.0" BBK_EURO="1.14"/>
      <bbk:Obs TIME_PERIOD="1969-08" OBS_VALUE="2.253" BBK_DIFF="1.9" BBK_EURO="1.152"/>
      <bbk:Obs TIME_PERIOD="1969-07" OBS_VALUE="2.212" BBK_DIFF="3.2" BBK_EURO="1.131"/>
      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="2.144" BBK_DIFF="0.2" BBK_EURO="1.096"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="2.14" BBK_DIFF="4.2" BBK_EURO="1.094"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="2.053" BBK_DIFF="2.3" BBK_EURO="1.05"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="2.006" BBK_DIFF="0.2" BBK_EURO="1.026"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="2.001" BBK_DIFF="-0.9" BBK_EURO="1.023"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="2.019" BBK_DIFF="-3.7" BBK_EURO="1.032"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="2.097" BBK_EURO="1.072"/>
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  </bbk:DataSet>
</CompactData>
