Frequencies for legampwuci variable in pchsa2012 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
White Upper |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
       .267 |          1        0.03        0.03
       .428 |          1        0.03        0.06
       .431 |          1        0.03        0.09
       .441 |          1        0.03        0.12
       .459 |          1        0.03        0.15
       .475 |          1        0.03        0.17
       .476 |          1        0.03        0.20
       .488 |          1        0.03        0.23
       .522 |          1        0.03        0.26
       .525 |          1        0.03        0.29
       .526 |          1        0.03        0.32
       .584 |          1        0.03        0.35
       .598 |          1        0.03        0.38
        .62 |          1        0.03        0.41
       .625 |          1        0.03        0.44
       .626 |          1        0.03        0.47
        .65 |          1        0.03        0.49
       .665 |          1        0.03        0.52
       .675 |          1        0.03        0.55
       .688 |          1        0.03        0.58
       .701 |          1        0.03        0.61
       .703 |          1        0.03        0.64
       .719 |          1        0.03        0.67
       .744 |          1        0.03        0.70
        .77 |          1        0.03        0.73
        .79 |          1        0.03        0.76
       .792 |          1        0.03        0.79
       .795 |          1        0.03        0.81
       .878 |          1        0.03        0.84
       .882 |          1        0.03        0.87
       .931 |          1        0.03        0.90
      1.008 |          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