Frequencies for legampblci variable in pchsa2013 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
Black Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
     -3.201 |          1        0.03        0.03
     -2.982 |          1        0.03        0.06
     -2.755 |          1        0.03        0.09
      -2.34 |          1        0.03        0.12
     -1.989 |          1        0.03        0.15
     -1.937 |          1        0.03        0.17
     -1.905 |          1        0.03        0.20
     -1.874 |          1        0.03        0.23
     -1.847 |          1        0.03        0.26
     -1.787 |          1        0.03        0.29
     -1.753 |          1        0.03        0.32
     -1.708 |          1        0.03        0.35
     -1.706 |          1        0.03        0.38
     -1.677 |          1        0.03        0.41
     -1.613 |          1        0.03        0.44
     -1.606 |          1        0.03        0.47
     -1.591 |          1        0.03        0.49
     -1.551 |          1        0.03        0.52
     -1.351 |          1        0.03        0.55
     -1.253 |          1        0.03        0.58
     -1.192 |          1        0.03        0.61
     -1.145 |          1        0.03        0.64
     -1.135 |          1        0.03        0.67
     -1.083 |          1        0.03        0.70
      -1.08 |          1        0.03        0.73
     -1.076 |          1        0.03        0.76
     -1.046 |          1        0.03        0.79
     -1.037 |          1        0.03        0.81
      -.987 |          1        0.03        0.84
      -.907 |          1        0.03        0.87
      -.879 |          1        0.03        0.90
      -.878 |          1        0.03        0.93
      -.869 |          1        0.03        0.96
      -.825 |          1        0.03        0.99
      -.817 |          1        0.03        1.02
      -.812 |          1        0.03        1.05
      -.786 |          1        0.03        1.08
       -.78 |          1        0.03        1.11
      -.779 |          1        0.03        1.13
      -.744 |          1        0.03        1.16
      -.724 |          1        0.03        1.19
      -.723 |          1        0.03        1.22
      -.675 |          1        0.03        1.25
      -.558 |          1        0.03        1.28
       .453 |          1        0.03        1.31
       .509 |          1        0.03        1.34
       .763 |          1        0.03        1.37
       .848 |          1        0.03        1.40
        .87 |          1        0.03        1.43
       .976 |          1        0.03        1.45
      1.036 |          1        0.03        1.48
      1.044 |          1        0.03        1.51
      1.212 |          1        0.03        1.54
      1.216 |          1        0.03        1.57
      1.239 |          1        0.03        1.60
      1.298 |          2        0.06        1.66
      1.331 |          1        0.03        1.69
      1.339 |          1        0.03        1.72
       1.35 |          1        0.03        1.75
      1.359 |          1        0.03        1.77
      1.659 |          1        0.03        1.80
      1.787 |          1        0.03        1.83
      1.864 |          1        0.03        1.86
       1.91 |          1        0.03        1.89
          . |      3,372       98.11      100.00
------------+-----------------------------------
      Total |      3,437      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018