Frequencies for legampbuci variable in pcstate2014 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
Black Upper |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
     -3.526 |          1        1.92        1.92
     -2.596 |          1        1.92        3.85
     -2.382 |          1        1.92        5.77
     -1.658 |          1        1.92        7.69
       .942 |          1        1.92        9.62
      1.452 |          1        1.92       11.54
      1.568 |          1        1.92       13.46
      1.895 |          1        1.92       15.38
       1.93 |          1        1.92       17.31
      1.965 |          1        1.92       19.23
      1.989 |          1        1.92       21.15
      2.014 |          1        1.92       23.08
      2.016 |          1        1.92       25.00
      2.031 |          1        1.92       26.92
      2.085 |          1        1.92       28.85
      2.153 |          1        1.92       30.77
      2.373 |          1        1.92       32.69
      2.379 |          1        1.92       34.62
      2.455 |          1        1.92       36.54
      2.575 |          1        1.92       38.46
      2.605 |          1        1.92       40.38
      2.614 |          1        1.92       42.31
      2.615 |          1        1.92       44.23
      2.666 |          1        1.92       46.15
      2.954 |          1        1.92       48.08
        3.1 |          1        1.92       50.00
      3.111 |          1        1.92       51.92
      3.142 |          1        1.92       53.85
      3.143 |          1        1.92       55.77
      3.196 |          1        1.92       57.69
      3.225 |          1        1.92       59.62
          . |         21       40.38      100.00
------------+-----------------------------------
      Total |         52      100.00

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