Frequencies for carotidendarterectomyper1000medi variable in 2010_surg_discharg

    Carotid |
Endarterect |
    omy per |
       1000 |
   Medicare |
  Enrollees |
       2010 |      Freq.     Percent        Cum.
------------+-----------------------------------
        .43 |          1        1.92        1.92
        .55 |          1        1.92        3.85
       1.15 |          1        1.92        5.77
       1.16 |          1        1.92        7.69
       1.22 |          1        1.92        9.62
        1.3 |          1        1.92       11.54
       1.35 |          1        1.92       13.46
       1.38 |          1        1.92       15.38
       1.41 |          1        1.92       17.31
       1.42 |          1        1.92       19.23
       1.44 |          1        1.92       21.15
       1.46 |          1        1.92       23.08
       1.47 |          1        1.92       25.00
       1.51 |          2        3.85       28.85
        1.6 |          2        3.85       32.69
       1.68 |          1        1.92       34.62
       1.69 |          1        1.92       36.54
       1.72 |          1        1.92       38.46
       1.83 |          1        1.92       40.38
       1.84 |          1        1.92       42.31
       1.85 |          1        1.92       44.23
       1.88 |          1        1.92       46.15
       1.89 |          1        1.92       48.08
       1.91 |          1        1.92       50.00
       1.93 |          2        3.85       53.85
       1.98 |          1        1.92       55.77
       1.99 |          1        1.92       57.69
       2.05 |          1        1.92       59.62
       2.08 |          1        1.92       61.54
        2.1 |          1        1.92       63.46
       2.13 |          1        1.92       65.38
       2.15 |          1        1.92       67.31
       2.17 |          1        1.92       69.23
       2.18 |          1        1.92       71.15
       2.23 |          1        1.92       73.08
       2.28 |          2        3.85       76.92
       2.29 |          1        1.92       78.85
        2.3 |          2        3.85       82.69
       2.31 |          1        1.92       84.62
       2.35 |          1        1.92       86.54
       2.43 |          1        1.92       88.46
       2.52 |          1        1.92       90.38
       2.64 |          1        1.92       92.31
       2.65 |          1        1.92       94.23
       2.86 |          1        1.92       96.15
       2.92 |          1        1.92       98.08
       3.09 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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