Frequencies for legamprat variable in pcstate2011 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
    Overall |
       Rate |      Freq.     Percent        Cum.
------------+-----------------------------------
       .389 |          1        1.92        1.92
       .422 |          1        1.92        3.85
       .465 |          1        1.92        5.77
       .466 |          1        1.92        7.69
       .485 |          1        1.92        9.62
       .489 |          1        1.92       11.54
       .494 |          1        1.92       13.46
       .496 |          1        1.92       15.38
       .513 |          1        1.92       17.31
       .531 |          1        1.92       19.23
       .539 |          1        1.92       21.15
       .552 |          1        1.92       23.08
       .567 |          1        1.92       25.00
       .569 |          1        1.92       26.92
       .572 |          1        1.92       28.85
       .579 |          1        1.92       30.77
       .602 |          1        1.92       32.69
       .606 |          1        1.92       34.62
       .624 |          1        1.92       36.54
       .627 |          2        3.85       40.38
       .628 |          1        1.92       42.31
       .631 |          1        1.92       44.23
       .636 |          1        1.92       46.15
       .649 |          1        1.92       48.08
       .655 |          1        1.92       50.00
       .656 |          1        1.92       51.92
       .676 |          1        1.92       53.85
       .684 |          1        1.92       55.77
       .695 |          1        1.92       57.69
       .704 |          1        1.92       59.62
       .708 |          1        1.92       61.54
       .719 |          1        1.92       63.46
       .725 |          1        1.92       65.38
       .739 |          1        1.92       67.31
       .742 |          1        1.92       69.23
       .757 |          1        1.92       71.15
       .789 |          1        1.92       73.08
       .793 |          1        1.92       75.00
       .797 |          1        1.92       76.92
       .807 |          1        1.92       78.85
       .808 |          1        1.92       80.77
       .809 |          1        1.92       82.69
       .841 |          1        1.92       84.62
       .846 |          1        1.92       86.54
       .851 |          1        1.92       88.46
       .867 |          2        3.85       92.31
       .873 |          1        1.92       94.23
       .902 |          1        1.92       96.15
       .993 |          1        1.92       98.08
      1.011 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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