Frequencies for legampwuci variable in pchsa2013 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
White Upper |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
       -3.1 |          1        0.03        0.03
      -1.89 |          1        0.03        0.06
     -1.742 |          1        0.03        0.09
     -1.516 |          1        0.03        0.12
     -1.476 |          1        0.03        0.15
      -1.41 |          1        0.03        0.17
     -1.405 |          1        0.03        0.20
     -1.332 |          1        0.03        0.23
      -1.26 |          1        0.03        0.26
     -1.251 |          1        0.03        0.29
     -1.233 |          1        0.03        0.32
     -1.141 |          1        0.03        0.35
     -1.127 |          1        0.03        0.38
     -1.043 |          1        0.03        0.41
     -1.033 |          1        0.03        0.44
      -.988 |          1        0.03        0.47
      -.977 |          2        0.06        0.52
      -.975 |          1        0.03        0.55
      -.974 |          1        0.03        0.58
      -.935 |          1        0.03        0.61
      -.896 |          1        0.03        0.64
      -.868 |          1        0.03        0.67
      -.809 |          1        0.03        0.70
      -.791 |          1        0.03        0.73
      -.787 |          1        0.03        0.76
      -.762 |          1        0.03        0.79
      -.759 |          2        0.06        0.84
      -.753 |          1        0.03        0.87
       -.73 |          1        0.03        0.90
       -.67 |          1        0.03        0.93
       -.59 |          1        0.03        0.96
       -.56 |          1        0.03        0.99
      -.528 |          1        0.03        1.02
      -.482 |          1        0.03        1.05
       -.39 |          1        0.03        1.08
       .451 |          1        0.03        1.11
       .469 |          1        0.03        1.13
       .483 |          1        0.03        1.16
       .484 |          1        0.03        1.19
       .489 |          1        0.03        1.22
       .516 |          2        0.06        1.28
       .535 |          2        0.06        1.34
       .574 |          1        0.03        1.37
       .578 |          1        0.03        1.40
       .598 |          1        0.03        1.43
         .6 |          1        0.03        1.45
       .617 |          1        0.03        1.48
       .627 |          1        0.03        1.51
       .646 |          1        0.03        1.54
       .653 |          1        0.03        1.57
        .66 |          1        0.03        1.60
       .699 |          1        0.03        1.63
       .701 |          2        0.06        1.69
       .711 |          1        0.03        1.72
       .744 |          2        0.06        1.77
       .759 |          1        0.03        1.80
       .773 |          1        0.03        1.83
       .819 |          1        0.03        1.86
       .838 |          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