<?xml version="1.0" encoding="UTF-8"?>

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    <Prepared>2026-05-10T11:26:15</Prepared>
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      <bbk:Obs TIME_PERIOD="1977-05" OBS_VALUE="1.07" BBK_DIFF="-1.2" BBK_DIFF_Y="19.4" BBK_EURO="0.547"/>
      <bbk:Obs TIME_PERIOD="1977-04" OBS_VALUE="1.083" BBK_DIFF="7.3" BBK_DIFF_Y="19.5" BBK_EURO="0.554"/>
      <bbk:Obs TIME_PERIOD="1977-03" OBS_VALUE="1.009" BBK_DIFF="-3.5" BBK_DIFF_Y="6.8" BBK_EURO="0.516"/>
      <bbk:Obs TIME_PERIOD="1977-02" OBS_VALUE="1.046" BBK_DIFF="6.1" BBK_DIFF_Y="7.6" BBK_EURO="0.535"/>
      <bbk:Obs TIME_PERIOD="1977-01" OBS_VALUE="0.986" BBK_DIFF="8.4" BBK_DIFF_Y="17.7" BBK_EURO="0.504"/>
      <bbk:Obs TIME_PERIOD="1976-12" OBS_VALUE="0.91" BBK_DIFF="-8.5" BBK_DIFF_Y="19.9" BBK_EURO="0.465"/>
      <bbk:Obs TIME_PERIOD="1976-11" OBS_VALUE="0.995" BBK_DIFF="-0.9" BBK_DIFF_Y="21.6" BBK_EURO="0.509"/>
      <bbk:Obs TIME_PERIOD="1976-10" OBS_VALUE="1.004" BBK_DIFF="16.1" BBK_DIFF_Y="13.6" BBK_EURO="0.513"/>
      <bbk:Obs TIME_PERIOD="1976-09" OBS_VALUE="0.865" BBK_DIFF="-4.4" BBK_DIFF_Y="10.5" BBK_EURO="0.442"/>
      <bbk:Obs TIME_PERIOD="1976-08" OBS_VALUE="0.905" BBK_DIFF="12.0" BBK_DIFF_Y="12.6" BBK_EURO="0.463"/>
      <bbk:Obs TIME_PERIOD="1976-07" OBS_VALUE="0.808" BBK_DIFF="7.6" BBK_DIFF_Y="-24.1" BBK_EURO="0.413"/>
      <bbk:Obs TIME_PERIOD="1976-06" OBS_VALUE="0.751" BBK_DIFF="-16.2" BBK_DIFF_Y="8.2" BBK_EURO="0.384"/>
      <bbk:Obs TIME_PERIOD="1976-05" OBS_VALUE="0.896" BBK_DIFF="-1.1" BBK_DIFF_Y="21.7" BBK_EURO="0.458"/>
      <bbk:Obs TIME_PERIOD="1976-04" OBS_VALUE="0.906" BBK_DIFF="-4.1" BBK_DIFF_Y="-7.0" BBK_EURO="0.463"/>
      <bbk:Obs TIME_PERIOD="1976-03" OBS_VALUE="0.945" BBK_DIFF="-2.8" BBK_DIFF_Y="19.8" BBK_EURO="0.483"/>
      <bbk:Obs TIME_PERIOD="1976-02" OBS_VALUE="0.972" BBK_DIFF="16.0" BBK_DIFF_Y="18.7" BBK_EURO="0.497"/>
      <bbk:Obs TIME_PERIOD="1976-01" OBS_VALUE="0.838" BBK_DIFF="10.4" BBK_DIFF_Y="17.2" BBK_EURO="0.428"/>
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      <bbk:Obs TIME_PERIOD="1975-11" OBS_VALUE="0.818" BBK_DIFF="-7.5" BBK_DIFF_Y="-5.9" BBK_EURO="0.418"/>
      <bbk:Obs TIME_PERIOD="1975-10" OBS_VALUE="0.884" BBK_DIFF="12.9" BBK_DIFF_Y="-11.5" BBK_EURO="0.452"/>
      <bbk:Obs TIME_PERIOD="1975-09" OBS_VALUE="0.783" BBK_DIFF="-2.6" BBK_DIFF_Y="0.5" BBK_EURO="0.4"/>
      <bbk:Obs TIME_PERIOD="1975-08" OBS_VALUE="0.804" BBK_DIFF="-24.5" BBK_DIFF_Y="-11.8" BBK_EURO="0.411"/>
      <bbk:Obs TIME_PERIOD="1975-07" OBS_VALUE="1.065" BBK_DIFF="53.5" BBK_DIFF_Y="22.4" BBK_EURO="0.545"/>
      <bbk:Obs TIME_PERIOD="1975-06" OBS_VALUE="0.694" BBK_DIFF="-5.7" BBK_DIFF_Y="3.7" BBK_EURO="0.355"/>
      <bbk:Obs TIME_PERIOD="1975-05" OBS_VALUE="0.736" BBK_DIFF="-24.4" BBK_DIFF_Y="-13.4" BBK_EURO="0.376"/>
      <bbk:Obs TIME_PERIOD="1975-04" OBS_VALUE="0.974" BBK_DIFF="23.4" BBK_DIFF_Y="-3.0" BBK_EURO="0.498"/>
      <bbk:Obs TIME_PERIOD="1975-03" OBS_VALUE="0.789" BBK_DIFF="-3.7" BBK_DIFF_Y="-0.8" BBK_EURO="0.403"/>
      <bbk:Obs TIME_PERIOD="1975-02" OBS_VALUE="0.819" BBK_DIFF="14.5" BBK_DIFF_Y="1.5" BBK_EURO="0.419"/>
      <bbk:Obs TIME_PERIOD="1975-01" OBS_VALUE="0.715" BBK_DIFF="6.4" BBK_DIFF_Y="-11.4" BBK_EURO="0.366"/>
      <bbk:Obs TIME_PERIOD="1974-12" OBS_VALUE="0.672" BBK_DIFF="-22.7" BBK_DIFF_Y="12.2" BBK_EURO="0.344"/>
      <bbk:Obs TIME_PERIOD="1974-11" OBS_VALUE="0.869" BBK_DIFF="-13.0" BBK_EURO="0.444"/>
      <bbk:Obs TIME_PERIOD="1974-10" OBS_VALUE="0.999" BBK_DIFF="28.2" BBK_EURO="0.511"/>
      <bbk:Obs TIME_PERIOD="1974-09" OBS_VALUE="0.779" BBK_DIFF="-14.6" BBK_EURO="0.398"/>
      <bbk:Obs TIME_PERIOD="1974-08" OBS_VALUE="0.912" BBK_DIFF="4.8" BBK_EURO="0.466"/>
      <bbk:Obs TIME_PERIOD="1974-07" OBS_VALUE="0.87" BBK_DIFF="30.0" BBK_EURO="0.445"/>
      <bbk:Obs TIME_PERIOD="1974-06" OBS_VALUE="0.669" BBK_DIFF="-21.3" BBK_EURO="0.342"/>
      <bbk:Obs TIME_PERIOD="1974-05" OBS_VALUE="0.85" BBK_DIFF="-15.3" BBK_EURO="0.435"/>
      <bbk:Obs TIME_PERIOD="1974-04" OBS_VALUE="1.004" BBK_DIFF="26.3" BBK_EURO="0.513"/>
      <bbk:Obs TIME_PERIOD="1974-03" OBS_VALUE="0.795" BBK_DIFF="-1.5" BBK_EURO="0.406"/>
      <bbk:Obs TIME_PERIOD="1974-02" OBS_VALUE="0.807" BBK_DIFF="0.0" BBK_EURO="0.413"/>
      <bbk:Obs TIME_PERIOD="1974-01" OBS_VALUE="0.807" BBK_DIFF="34.7" BBK_EURO="0.413"/>
      <bbk:Obs TIME_PERIOD="1973-12" OBS_VALUE="0.599" BBK_EURO="0.306"/>
    </bbk:Series>
  </bbk:DataSet>
</CompactData>
