Frequencies for legampbrat variable in pchsa2012 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
 Black Rate |      Freq.     Percent        Cum.
------------+-----------------------------------
      1.488 |          1        0.03        0.03
      1.549 |          2        0.06        0.09
      1.591 |          1        0.03        0.12
      1.651 |          1        0.03        0.15
      1.704 |          1        0.03        0.17
      1.764 |          1        0.03        0.20
      1.769 |          1        0.03        0.23
      1.836 |          1        0.03        0.26
      1.864 |          1        0.03        0.29
      1.887 |          1        0.03        0.32
      1.945 |          1        0.03        0.35
      1.946 |          1        0.03        0.38
      2.033 |          1        0.03        0.41
      2.042 |          1        0.03        0.44
      2.069 |          1        0.03        0.47
      2.097 |          1        0.03        0.49
      2.106 |          1        0.03        0.52
      2.207 |          1        0.03        0.55
      2.228 |          1        0.03        0.58
      2.262 |          1        0.03        0.61
      2.677 |          1        0.03        0.64
      2.745 |          1        0.03        0.67
      3.645 |          1        0.03        0.70
      3.985 |          1        0.03        0.73
          . |      3,412       99.27      100.00
------------+-----------------------------------
      Total |      3,437      100.00

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