Frequencies for legampwlci variable in pcstate2013 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
White Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
       .295 |          1        1.92        1.92
       .319 |          1        1.92        3.85
       .339 |          1        1.92        5.77
       .358 |          1        1.92        7.69
       .372 |          1        1.92        9.62
       .393 |          1        1.92       11.54
       .398 |          1        1.92       13.46
       .411 |          1        1.92       15.38
       .422 |          1        1.92       17.31
       .424 |          1        1.92       19.23
       .431 |          1        1.92       21.15
       .442 |          1        1.92       23.08
       .447 |          1        1.92       25.00
        .46 |          1        1.92       26.92
       .462 |          2        3.85       30.77
        .48 |          1        1.92       32.69
       .486 |          1        1.92       34.62
       .505 |          1        1.92       36.54
       .507 |          1        1.92       38.46
       .508 |          1        1.92       40.38
       .512 |          1        1.92       42.31
       .519 |          1        1.92       44.23
       .552 |          1        1.92       46.15
       .569 |          1        1.92       48.08
        .58 |          1        1.92       50.00
       .584 |          1        1.92       51.92
       .612 |          1        1.92       53.85
       .622 |          1        1.92       55.77
        .63 |          1        1.92       57.69
          . |         22       42.31      100.00
------------+-----------------------------------
      Total |         52      100.00

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