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      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="0.636" BBK_DIFF="0.3" BBK_DIFF_Y="53.3" BBK_EURO="0.325"/>
      <bbk:Obs TIME_PERIOD="1977-02" OBS_VALUE="0.634" BBK_DIFF="-1.6" BBK_DIFF_Y="110.6" BBK_EURO="0.324"/>
      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="0.644" BBK_DIFF="3.0" BBK_DIFF_Y="123.6" BBK_EURO="0.329"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="0.625" BBK_DIFF="21.6" BBK_DIFF_Y="111.9" BBK_EURO="0.32"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="0.514" BBK_DIFF="38.9" BBK_DIFF_Y="104.8" BBK_EURO="0.263"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="0.37" BBK_DIFF="-10.0" BBK_DIFF_Y="80.5" BBK_EURO="0.189"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="0.411" BBK_DIFF="5.7" BBK_DIFF_Y="88.5" BBK_EURO="0.21"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="0.389" BBK_DIFF="-0.3" BBK_DIFF_Y="73.7" BBK_EURO="0.199"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="0.39" BBK_DIFF="-2.0" BBK_DIFF_Y="93.1" BBK_EURO="0.199"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="0.398" BBK_DIFF="1.0" BBK_DIFF_Y="100.0" BBK_EURO="0.203"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="0.394" BBK_DIFF="-1.0" BBK_DIFF_Y="100.0" BBK_EURO="0.201"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="0.398" BBK_DIFF="-4.1" BBK_DIFF_Y="104.1" BBK_EURO="0.203"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="0.415" BBK_DIFF="37.9" BBK_DIFF_Y="126.8" BBK_EURO="0.212"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="0.301" BBK_DIFF="4.5" BBK_DIFF_Y="61.8" BBK_EURO="0.154"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="0.288" BBK_DIFF="-2.4" BBK_DIFF_Y="65.5" BBK_EURO="0.147"/>
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      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="0.251" BBK_DIFF="22.4" BBK_DIFF_Y="53.0" BBK_EURO="0.128"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="0.205" BBK_DIFF="-6.0" BBK_DIFF_Y="25.8" BBK_EURO="0.105"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="0.218" BBK_DIFF="-2.7" BBK_DIFF_Y="23.2" BBK_EURO="0.111"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="0.224" BBK_DIFF="10.9" BBK_DIFF_Y="26.6" BBK_EURO="0.115"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="0.202" BBK_DIFF="1.5" BBK_DIFF_Y="14.1" BBK_EURO="0.103"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="0.199" BBK_DIFF="1.0" BBK_DIFF_Y="8.2" BBK_EURO="0.102"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="0.197" BBK_DIFF="1.0" BBK_DIFF_Y="4.2" BBK_EURO="0.101"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="0.195" BBK_DIFF="6.6" BBK_DIFF_Y="2.6" BBK_EURO="0.1"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="0.183" BBK_DIFF="-1.6" BBK_DIFF_Y="-7.6" BBK_EURO="0.094"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="0.186" BBK_DIFF="6.9" BBK_DIFF_Y="-11.8" BBK_EURO="0.095"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="0.174" BBK_DIFF="1.2" BBK_DIFF_Y="-18.3" BBK_EURO="0.089"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="0.172" BBK_DIFF="4.9" BBK_DIFF_Y="-19.6" BBK_EURO="0.088"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="0.164" BBK_DIFF="0.6" BBK_EURO="0.084"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="0.163" BBK_DIFF="-7.9" BBK_EURO="0.083"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="0.177" BBK_DIFF="0.0" BBK_EURO="0.09"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="0.177" BBK_DIFF="0.0" BBK_EURO="0.09"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="0.177" BBK_DIFF="-3.8" BBK_EURO="0.09"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="0.184" BBK_DIFF="-2.6" BBK_EURO="0.094"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="0.189" BBK_DIFF="-0.5" BBK_EURO="0.097"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="0.19" BBK_DIFF="-4.0" BBK_EURO="0.097"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="0.198" BBK_DIFF="-6.2" BBK_EURO="0.101"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="0.211" BBK_DIFF="-0.9" BBK_EURO="0.108"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="0.213" BBK_DIFF="-0.5" BBK_EURO="0.109"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="0.214" BBK_EURO="0.109"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
