Frequencies for legampwlci variable in pcstate2011 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
White Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
       .274 |          1        1.92        1.92
       .308 |          1        1.92        3.85
       .415 |          1        1.92        5.77
        .42 |          1        1.92        7.69
       .424 |          1        1.92        9.62
       .429 |          1        1.92       11.54
       .433 |          1        1.92       13.46
       .442 |          1        1.92       15.38
       .475 |          1        1.92       17.31
       .481 |          1        1.92       19.23
       .484 |          2        3.85       23.08
        .49 |          1        1.92       25.00
       .515 |          2        3.85       28.85
       .525 |          1        1.92       30.77
       .532 |          1        1.92       32.69
       .538 |          1        1.92       34.62
       .543 |          1        1.92       36.54
       .558 |          1        1.92       38.46
       .569 |          1        1.92       40.38
        .58 |          1        1.92       42.31
       .591 |          1        1.92       44.23
       .617 |          1        1.92       46.15
       .629 |          2        3.85       50.00
        .64 |          1        1.92       51.92
       .642 |          1        1.92       53.85
        .68 |          2        3.85       57.69
          . |         22       42.31      100.00
------------+-----------------------------------
      Total |         52      100.00

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