20060117       823
  19810129        60    74.9
  19840103       127    65.9
  19840110       134    60.2
  19840114       138    76.2
  19840115       139    76.1
  19840116       140    76.8
  19840117       141    78.7
  19840131       155    65.2
  19860118       204    66.9
  19870106       223    77.0
  19870115       232    73.0
  19880117       265    72.9
  19880122       270    65.9
  19880126       274    64.1
  19890120       299    74.6
  19900114       324    66.0
  19900124       334    67.5
  19920102       374    61.3
  19920107       379    69.5
  19930101       404    80.3
  19930102       405    61.8
  19930115       418    79.2
  19930129       432    77.1
  19940125       459    61.8
  19960127       523    75.0
  19960128       524    63.3
  19960129       525    64.9
  19960130       526    67.3
  19960131       527    68.7
  19990125       614    74.4
  20000114       634    61.1
  20010105       656    70.6
  20010116       667    71.0
  20010117       668    72.1
  20010119       670    72.7
  20060117       823   100.0
  20060118       824    74.1
  20060121       827    81.7
  20060122       828    64.1
  20080104       872    60.7
  20090113       912    62.7