19800124      60.1
       19810106      71.2
       19810120      64.8
       19810129      62.0
       19840103      61.5
       19840112      60.8
       19840113      62.2
       19840114      80.5
       19840115      87.9
       19840116      84.2
       19840117      79.4
       19840119      69.7
       19840131      86.0
       19860117      69.7
       19860118      73.8
       19860131      60.9
       19870105      60.4
       19870106      80.8
       19870110      67.3
       19870114      63.0
       19870115      78.6
       19880115      62.2
       19880116      75.0
       19880117      81.6
       19880118      65.1
       19880119      72.7
       19880120      75.7
       19880121      72.4
       19880122      75.6
       19880126      76.3
       19880130      71.3
       19890120      83.8
       19900114      69.2
       19900115      64.0
       19900124      81.6
       19920102      71.0
       19920107      71.8
       19930101      82.6
       19930108      68.9
       19930114      60.8
       19930115      87.7
       19930117      65.7
       19930129      79.0
       19940125      66.3
       19950112      61.6
       19950113      60.3
       19950116      70.6
       19960124      66.8
       19960125      65.7
       19960126      71.2
       19960127      92.3
       19960128      68.0
       19960129      66.3
       19960130      71.5
       19960131      72.8
       19980101      80.8
       19980102      61.3
       19980106      76.8
       19980128      73.2
       19980131      63.1
       19990119      70.2
       19990122      68.7
       19990125      72.1
       20000114      81.4
       20000115      64.3
       20010105      66.8
       20010116      72.8
       20010117      74.8
       20010118      64.8
       20010119      83.7
       20030110      62.4
       20030123      62.2
       20050110      65.9
       20060114      66.2
       20060117      86.2
       20060118      70.1
       20060120      68.1
       20060121      89.4
       20060122      71.3
       20060124      61.8
       20070111      68.1
       20070120      62.7
       20080104      65.4
       20080111      67.4
       20090113      73.1