Frequencies for legampbrat variable in pcstate2011 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
 Black Rate |      Freq.     Percent        Cum.
------------+-----------------------------------
      1.585 |          1        1.92        1.92
      1.627 |          1        1.92        3.85
      1.629 |          1        1.92        5.77
      1.697 |          1        1.92        7.69
      1.798 |          1        1.92        9.62
      1.837 |          1        1.92       11.54
      1.883 |          1        1.92       13.46
      1.902 |          1        1.92       15.38
      2.092 |          1        1.92       17.31
      2.164 |          1        1.92       19.23
      2.181 |          1        1.92       21.15
      2.182 |          1        1.92       23.08
      2.216 |          1        1.92       25.00
      2.225 |          1        1.92       26.92
      2.237 |          1        1.92       28.85
      2.462 |          1        1.92       30.77
      2.477 |          1        1.92       32.69
      2.516 |          1        1.92       34.62
      2.522 |          1        1.92       36.54
      2.682 |          1        1.92       38.46
      2.706 |          1        1.92       40.38
      2.718 |          1        1.92       42.31
      2.779 |          1        1.92       44.23
      2.871 |          1        1.92       46.15
      2.915 |          1        1.92       48.08
      3.016 |          1        1.92       50.00
      3.242 |          1        1.92       51.92
      3.508 |          1        1.92       53.85
      3.548 |          1        1.92       55.77
        3.8 |          1        1.92       57.69
          . |         22       42.31      100.00
------------+-----------------------------------
      Total |         52      100.00

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