19800102      68.3
       19800112      74.6
       19800113      89.9
       19800114      77.6
       19800115      63.9
       19810123      65.5
       19820112      62.6
       19820120      66.4
       19830121      85.0
       19830122      78.7
       19830123      73.9
       19850109      94.8
       19850110      73.4
       19850117      63.6
       19850118      85.0
       19850119      89.3
       19850120      72.5
       19850128      84.4
       19850129      76.8
       19860106      81.2
       19860107      80.7
       19870118      73.4
       19870120      65.9
       19880101      79.0
       19880110      76.3
       19880111      69.8
       19910105      76.3
       19910114      61.8
       19910115      60.6
       19920112      62.0
       19920113      71.3
       19920117      67.5
       19920118      77.5
       19920124      67.0
       19920125      69.3
       19920128      67.3
       19920129      62.6
       19930121      71.1
       19930122      73.3
       19940104      80.4
       19940105      63.2
       19960101      62.0
       19970103      76.9
       19970104      65.0
       19980109      80.5
       19980110      61.6
       19980120      62.2
       19990103      60.9
       20000127      61.7
       20000128      64.7
       20010101      67.1
       20020117      74.2
       20020118      79.2
       20020119      70.5
       20030107      66.2
       20030114      65.6
       20030115      71.7
       20030117      72.2
       20040102      64.6
       20040103      62.2
       20040110      62.0
       20040112      66.4
       20040113      85.0
       20040114      80.9
       20040115      88.3
       20040116      88.6
       20040117      61.3
       20040123      74.4
       20080107      68.6
       20080131      78.3
       20090105      79.6
       20090106      64.4
       20090123      61.0