Frequencies for legampblci variable in pcstate2013 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
Black Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
     -1.147 |          1        1.92        1.92
      -.963 |          1        1.92        3.85
      -.557 |          1        1.92        5.77
        .74 |          1        1.92        7.69
        .97 |          1        1.92        9.62
      1.025 |          1        1.92       11.54
      1.099 |          1        1.92       13.46
      1.124 |          1        1.92       15.38
      1.281 |          1        1.92       17.31
      1.286 |          1        1.92       19.23
      1.303 |          1        1.92       21.15
       1.31 |          1        1.92       23.08
      1.321 |          1        1.92       25.00
      1.383 |          1        1.92       26.92
      1.498 |          1        1.92       28.85
      1.502 |          1        1.92       30.77
      1.526 |          1        1.92       32.69
      1.662 |          1        1.92       34.62
      1.799 |          1        1.92       36.54
      1.802 |          1        1.92       38.46
      1.829 |          1        1.92       40.38
      1.867 |          1        1.92       42.31
      1.924 |          1        1.92       44.23
      1.941 |          1        1.92       46.15
      2.117 |          1        1.92       48.08
      2.234 |          1        1.92       50.00
      2.348 |          1        1.92       51.92
      2.436 |          1        1.92       53.85
      2.757 |          1        1.92       55.77
      3.335 |          1        1.92       57.69
          . |         22       42.31      100.00
------------+-----------------------------------
      Total |         52      100.00

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