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      <bbk:Obs TIME_PERIOD="1977-04" OBS_VALUE="0.578" BBK_DIFF="0.3" BBK_DIFF_Y="-8.1" BBK_EURO="0.296"/>
      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="0.576" BBK_DIFF="30.6" BBK_DIFF_Y="2.9" BBK_EURO="0.295"/>
      <bbk:Obs TIME_PERIOD="1977-02" OBS_VALUE="0.441" BBK_DIFF="-7.4" BBK_DIFF_Y="-4.3" BBK_EURO="0.225"/>
      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="0.476" BBK_DIFF="-28.4" BBK_DIFF_Y="5.8" BBK_EURO="0.243"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="0.665" BBK_DIFF="9.0" BBK_DIFF_Y="-2.1" BBK_EURO="0.34"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="0.61" BBK_DIFF="-2.7" BBK_DIFF_Y="-8.1" BBK_EURO="0.312"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="0.627" BBK_DIFF="1.6" BBK_DIFF_Y="-5.9" BBK_EURO="0.321"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="0.617" BBK_DIFF="7.7" BBK_DIFF_Y="6.9" BBK_EURO="0.315"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="0.573" BBK_DIFF="-14.1" BBK_DIFF_Y="12.8" BBK_EURO="0.293"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="0.667" BBK_DIFF="-4.9" BBK_DIFF_Y="13.6" BBK_EURO="0.341"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="0.701" BBK_DIFF="-5.7" BBK_DIFF_Y="19.8" BBK_EURO="0.358"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="0.743" BBK_DIFF="18.1" BBK_DIFF_Y="23.2" BBK_EURO="0.38"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="0.629" BBK_DIFF="12.3" BBK_DIFF_Y="2.6" BBK_EURO="0.322"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="0.56" BBK_DIFF="21.5" BBK_DIFF_Y="65.7" BBK_EURO="0.286"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="0.461" BBK_DIFF="2.4" BBK_DIFF_Y="29.5" BBK_EURO="0.236"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="0.45" BBK_DIFF="-33.7" BBK_DIFF_Y="18.1" BBK_EURO="0.23"/>
      <bbk:Obs TIME_PERIOD="1975-12" OBS_VALUE="0.679" BBK_DIFF="2.3" BBK_DIFF_Y="68.1" BBK_EURO="0.347"/>
      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="0.664" BBK_DIFF="-0.3" BBK_DIFF_Y="38.3" BBK_EURO="0.339"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="0.666" BBK_DIFF="15.4" BBK_DIFF_Y="40.5" BBK_EURO="0.341"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="0.577" BBK_DIFF="13.6" BBK_DIFF_Y="37.4" BBK_EURO="0.295"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="0.508" BBK_DIFF="-13.5" BBK_DIFF_Y="12.4" BBK_EURO="0.26"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="0.587" BBK_DIFF="0.3" BBK_DIFF_Y="11.4" BBK_EURO="0.3"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="0.585" BBK_DIFF="-3.0" BBK_DIFF_Y="24.7" BBK_EURO="0.299"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="0.603" BBK_DIFF="-1.6" BBK_DIFF_Y="-0.2" BBK_EURO="0.308"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="0.613" BBK_DIFF="81.4" BBK_DIFF_Y="32.7" BBK_EURO="0.313"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="0.338" BBK_DIFF="-5.1" BBK_DIFF_Y="-23.7" BBK_EURO="0.173"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="0.356" BBK_DIFF="-6.6" BBK_DIFF_Y="4.1" BBK_EURO="0.182"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="0.381" BBK_DIFF="-5.7" BBK_DIFF_Y="-1.0" BBK_EURO="0.195"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="0.404" BBK_DIFF="-15.8" BBK_DIFF_Y="3.9" BBK_EURO="0.207"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="0.48" BBK_DIFF="1.3" BBK_EURO="0.245"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="0.474" BBK_DIFF="12.9" BBK_EURO="0.242"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="0.42" BBK_DIFF="-7.1" BBK_EURO="0.215"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="0.452" BBK_DIFF="-14.2" BBK_EURO="0.231"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="0.527" BBK_DIFF="12.4" BBK_EURO="0.269"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="0.469" BBK_DIFF="-22.4" BBK_EURO="0.24"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="0.604" BBK_DIFF="30.7" BBK_EURO="0.309"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="0.462" BBK_DIFF="4.3" BBK_EURO="0.236"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="0.443" BBK_DIFF="29.5" BBK_EURO="0.227"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="0.342" BBK_DIFF="-11.2" BBK_EURO="0.175"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="0.385" BBK_DIFF="-1.0" BBK_EURO="0.197"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="0.389" BBK_EURO="0.199"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
