Frequencies for legampbrat variable in pcstate2013 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
 Black Rate |      Freq.     Percent        Cum.
------------+-----------------------------------
     -2.513 |          1        1.92        1.92
     -1.683 |          1        1.92        3.85
     -1.282 |          1        1.92        5.77
      1.142 |          1        1.92        7.69
      1.165 |          1        1.92        9.62
      1.485 |          1        1.92       11.54
      1.513 |          1        1.92       13.46
      1.559 |          1        1.92       15.38
      1.604 |          1        1.92       17.31
      1.634 |          1        1.92       19.23
      1.681 |          1        1.92       21.15
      1.734 |          1        1.92       23.08
       1.75 |          1        1.92       25.00
      1.764 |          1        1.92       26.92
       1.92 |          1        1.92       28.85
      1.945 |          1        1.92       30.77
      2.032 |          1        1.92       32.69
      2.059 |          1        1.92       34.62
      2.124 |          1        1.92       36.54
       2.14 |          1        1.92       38.46
      2.162 |          1        1.92       40.38
      2.197 |          1        1.92       42.31
      2.225 |          1        1.92       44.23
      2.296 |          1        1.92       46.15
      2.344 |          1        1.92       48.08
      2.381 |          1        1.92       50.00
      2.484 |          1        1.92       51.92
      2.696 |          1        1.92       53.85
      2.806 |          1        1.92       55.77
      3.126 |          1        1.92       57.69
      3.779 |          1        1.92       59.62
          . |         21       40.38      100.00
------------+-----------------------------------
      Total |         52      100.00

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