Frequencies for legampblci variable in pcstate2008 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
Black Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
      -.755 |          1        1.92        1.92
       .743 |          1        1.92        3.85
       .752 |          1        1.92        5.77
       .898 |          1        1.92        7.69
      1.282 |          1        1.92        9.62
      1.578 |          1        1.92       11.54
      1.758 |          1        1.92       13.46
      1.889 |          1        1.92       15.38
      1.981 |          1        1.92       17.31
      1.995 |          1        1.92       19.23
      2.068 |          1        1.92       21.15
      2.122 |          1        1.92       23.08
      2.135 |          1        1.92       25.00
      2.153 |          1        1.92       26.92
      2.154 |          1        1.92       28.85
      2.181 |          1        1.92       30.77
      2.321 |          1        1.92       32.69
      2.433 |          1        1.92       34.62
      2.499 |          1        1.92       36.54
      2.656 |          1        1.92       38.46
       2.76 |          1        1.92       40.38
      2.836 |          1        1.92       42.31
      2.838 |          1        1.92       44.23
      2.868 |          1        1.92       46.15
      3.135 |          1        1.92       48.08
      3.154 |          1        1.92       50.00
      3.207 |          1        1.92       51.92
      3.234 |          1        1.92       53.85
      3.637 |          1        1.92       55.77
       3.83 |          1        1.92       57.69
      4.458 |          1        1.92       59.62
          . |         21       40.38      100.00
------------+-----------------------------------
      Total |         52      100.00

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