Frequencies for legampwlci variable in pchsa2012 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
White Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
       .074 |          1        0.03        0.03
        .14 |          1        0.03        0.06
       .191 |          1        0.03        0.09
       .192 |          1        0.03        0.12
       .204 |          1        0.03        0.15
       .215 |          1        0.03        0.17
       .238 |          1        0.03        0.20
        .24 |          2        0.06        0.26
       .244 |          1        0.03        0.29
        .26 |          1        0.03        0.32
         .3 |          1        0.03        0.35
       .307 |          1        0.03        0.38
       .332 |          1        0.03        0.41
       .337 |          1        0.03        0.44
       .341 |          1        0.03        0.47
       .343 |          1        0.03        0.49
       .344 |          1        0.03        0.52
       .361 |          1        0.03        0.55
       .371 |          1        0.03        0.58
       .375 |          1        0.03        0.61
       .393 |          1        0.03        0.64
       .409 |          1        0.03        0.67
       .423 |          1        0.03        0.70
       .424 |          1        0.03        0.73
       .438 |          1        0.03        0.76
        .45 |          1        0.03        0.79
       .461 |          1        0.03        0.81
       .477 |          1        0.03        0.84
       .483 |          1        0.03        0.87
       .574 |          1        0.03        0.90
       .591 |          1        0.03        0.93
          . |      3,405       99.07      100.00
------------+-----------------------------------
      Total |      3,437      100.00

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