Frequencies for carotidendarterectomyper1000medi variable in 2003_surg_discharg

    Carotid |
Endarterect |
    omy per |
       1000 |
   Medicare |
  Enrollees |
       2003 |      Freq.     Percent        Cum.
------------+-----------------------------------
   .5640619 |          1        1.92        1.92
   1.379242 |          1        1.92        3.85
   1.544339 |          1        1.92        5.77
   1.751588 |          1        1.92        7.69
   1.811929 |          1        1.92        9.62
   1.870964 |          1        1.92       11.54
    2.03388 |          1        1.92       13.46
   2.216601 |          1        1.92       15.38
   2.223944 |          1        1.92       17.31
   2.251678 |          1        1.92       19.23
   2.290191 |          1        1.92       21.15
   2.392792 |          1        1.92       23.08
   2.399512 |          1        1.92       25.00
   2.450323 |          1        1.92       26.92
   2.462776 |          1        1.92       28.85
   2.504793 |          1        1.92       30.77
   2.641826 |          1        1.92       32.69
   2.642835 |          1        1.92       34.62
   2.667608 |          1        1.92       36.54
   2.670816 |          1        1.92       38.46
   2.726855 |          1        1.92       40.38
   2.727318 |          1        1.92       42.31
   2.730185 |          1        1.92       44.23
   2.783568 |          1        1.92       46.15
   2.818855 |          1        1.92       48.08
    2.88903 |          1        1.92       50.00
   2.937201 |          1        1.92       51.92
   3.024751 |          1        1.92       53.85
   3.035916 |          1        1.92       55.77
   3.102989 |          1        1.92       57.69
    3.17448 |          1        1.92       59.62
   3.178432 |          1        1.92       61.54
   3.193146 |          1        1.92       63.46
   3.194124 |          1        1.92       65.38
   3.221513 |          1        1.92       67.31
   3.232514 |          1        1.92       69.23
   3.241422 |          1        1.92       71.15
   3.246343 |          1        1.92       73.08
   3.371697 |          1        1.92       75.00
    3.43327 |          1        1.92       76.92
   3.489318 |          1        1.92       78.85
   3.519303 |          1        1.92       80.77
   3.603228 |          1        1.92       82.69
    3.67629 |          1        1.92       84.62
   3.782701 |          1        1.92       86.54
   3.795774 |          1        1.92       88.46
   3.906993 |          1        1.92       90.38
   3.940792 |          1        1.92       92.31
   4.030744 |          1        1.92       94.23
   4.084797 |          1        1.92       96.15
   4.122857 |          1        1.92       98.08
   4.469807 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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