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      <bbk:Obs TIME_PERIOD="1973-03" OBS_VALUE="6.113" BBK_DIFF="-1.2" BBK_DIFF_Y="-9.6" BBK_EURO="3.126"/>
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      <bbk:Obs TIME_PERIOD="1972-06" OBS_VALUE="6.453" BBK_DIFF="-4.0" BBK_DIFF_Y="1.8" BBK_EURO="3.299"/>
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      <bbk:Obs TIME_PERIOD="1972-04" OBS_VALUE="6.679" BBK_DIFF="-1.2" BBK_DIFF_Y="4.0" BBK_EURO="3.415"/>
      <bbk:Obs TIME_PERIOD="1972-03" OBS_VALUE="6.76" BBK_DIFF="0.3" BBK_DIFF_Y="6.3" BBK_EURO="3.456"/>
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      <bbk:Obs TIME_PERIOD="1972-01" OBS_VALUE="6.732" BBK_DIFF="2.5" BBK_DIFF_Y="10.3" BBK_EURO="3.442"/>
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      <bbk:Obs TIME_PERIOD="1971-10" OBS_VALUE="6.408" BBK_DIFF="0.6" BBK_DIFF_Y="9.7" BBK_EURO="3.276"/>
      <bbk:Obs TIME_PERIOD="1971-09" OBS_VALUE="6.37" BBK_DIFF="2.5" BBK_DIFF_Y="8.0" BBK_EURO="3.257"/>
      <bbk:Obs TIME_PERIOD="1971-08" OBS_VALUE="6.212" BBK_DIFF="-0.9" BBK_DIFF_Y="6.3" BBK_EURO="3.176"/>
      <bbk:Obs TIME_PERIOD="1971-07" OBS_VALUE="6.269" BBK_DIFF="-1.1" BBK_DIFF_Y="6.5" BBK_EURO="3.205"/>
      <bbk:Obs TIME_PERIOD="1971-06" OBS_VALUE="6.337" BBK_DIFF="-1.6" BBK_DIFF_Y="8.5" BBK_EURO="3.24"/>
      <bbk:Obs TIME_PERIOD="1971-05" OBS_VALUE="6.442" BBK_DIFF="0.3" BBK_DIFF_Y="17.8" BBK_EURO="3.294"/>
      <bbk:Obs TIME_PERIOD="1971-04" OBS_VALUE="6.423" BBK_DIFF="1.0" BBK_DIFF_Y="15.9" BBK_EURO="3.284"/>
      <bbk:Obs TIME_PERIOD="1971-03" OBS_VALUE="6.357" BBK_DIFF="1.6" BBK_DIFF_Y="14.9" BBK_EURO="3.25"/>
      <bbk:Obs TIME_PERIOD="1971-02" OBS_VALUE="6.255" BBK_DIFF="2.5" BBK_DIFF_Y="19.1" BBK_EURO="3.198"/>
      <bbk:Obs TIME_PERIOD="1971-01" OBS_VALUE="6.101" BBK_DIFF="-0.1" BBK_DIFF_Y="16.2" BBK_EURO="3.119"/>
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      <bbk:Obs TIME_PERIOD="1970-11" OBS_VALUE="5.858" BBK_DIFF="0.3" BBK_DIFF_Y="30.0" BBK_EURO="2.995"/>
      <bbk:Obs TIME_PERIOD="1970-10" OBS_VALUE="5.84" BBK_DIFF="-1.0" BBK_DIFF_Y="38.1" BBK_EURO="2.986"/>
      <bbk:Obs TIME_PERIOD="1970-09" OBS_VALUE="5.899" BBK_DIFF="0.9" BBK_DIFF_Y="42.8" BBK_EURO="3.016"/>
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      <bbk:Obs TIME_PERIOD="1970-07" OBS_VALUE="5.886" BBK_DIFF="0.8" BBK_DIFF_Y="51.7" BBK_EURO="3.009"/>
      <bbk:Obs TIME_PERIOD="1970-06" OBS_VALUE="5.84" BBK_DIFF="6.8" BBK_DIFF_Y="53.8" BBK_EURO="2.986"/>
      <bbk:Obs TIME_PERIOD="1970-05" OBS_VALUE="5.467" BBK_DIFF="-1.4" BBK_DIFF_Y="67.1" BBK_EURO="2.795"/>
      <bbk:Obs TIME_PERIOD="1970-04" OBS_VALUE="5.544" BBK_DIFF="0.2" BBK_DIFF_Y="77.4" BBK_EURO="2.835"/>
      <bbk:Obs TIME_PERIOD="1970-03" OBS_VALUE="5.535" BBK_DIFF="5.4" BBK_DIFF_Y="89.9" BBK_EURO="2.83"/>
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      <bbk:Obs TIME_PERIOD="1969-07" OBS_VALUE="3.879" BBK_DIFF="2.2" BBK_EURO="1.983"/>
      <bbk:Obs TIME_PERIOD="1969-06" OBS_VALUE="3.796" BBK_DIFF="16.1" BBK_EURO="1.941"/>
      <bbk:Obs TIME_PERIOD="1969-05" OBS_VALUE="3.271" BBK_DIFF="4.6" BBK_EURO="1.672"/>
      <bbk:Obs TIME_PERIOD="1969-04" OBS_VALUE="3.126" BBK_DIFF="7.3" BBK_EURO="1.598"/>
      <bbk:Obs TIME_PERIOD="1969-03" OBS_VALUE="2.914" BBK_DIFF="13.1" BBK_EURO="1.49"/>
      <bbk:Obs TIME_PERIOD="1969-02" OBS_VALUE="2.577" BBK_DIFF="9.2" BBK_EURO="1.318"/>
      <bbk:Obs TIME_PERIOD="1969-01" OBS_VALUE="2.359" BBK_DIFF="8.1" BBK_EURO="1.206"/>
      <bbk:Obs TIME_PERIOD="1968-12" OBS_VALUE="2.183" BBK_EURO="1.116"/>
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  </bbk:DataSet>
</CompactData>
