Frequencies for carotidendarterectomyper1000medi variable in 1994_surg_discharg

    Carotid |
Endarterect |
    omy per |
       1000 |
   Medicare |
  Enrollees |
       1994 |      Freq.     Percent        Cum.
------------+-----------------------------------
   .9038448 |          1        1.92        1.92
   1.075306 |          1        1.92        3.85
   1.184568 |          1        1.92        5.77
   1.240571 |          1        1.92        7.69
   1.376593 |          1        1.92        9.62
   1.377026 |          1        1.92       11.54
   1.665153 |          1        1.92       13.46
   1.766946 |          1        1.92       15.38
   1.804811 |          1        1.92       17.31
   1.913453 |          1        1.92       19.23
   1.950184 |          1        1.92       21.15
   1.960803 |          1        1.92       23.08
   1.961012 |          1        1.92       25.00
   1.972687 |          1        1.92       26.92
   1.981632 |          1        1.92       28.85
   1.983295 |          1        1.92       30.77
   2.010039 |          1        1.92       32.69
   2.046541 |          1        1.92       34.62
   2.052397 |          1        1.92       36.54
    2.06676 |          1        1.92       38.46
   2.088794 |          1        1.92       40.38
   2.139194 |          1        1.92       42.31
    2.16624 |          1        1.92       44.23
   2.172177 |          1        1.92       46.15
   2.286078 |          1        1.92       48.08
    2.31797 |          1        1.92       50.00
   2.338423 |          1        1.92       51.92
   2.428485 |          1        1.92       53.85
   2.446552 |          1        1.92       55.77
   2.489444 |          1        1.92       57.69
   2.517542 |          1        1.92       59.62
   2.522894 |          1        1.92       61.54
   2.543921 |          1        1.92       63.46
    2.61743 |          1        1.92       65.38
   2.634791 |          1        1.92       67.31
   2.636135 |          1        1.92       69.23
   2.663918 |          1        1.92       71.15
   2.733707 |          1        1.92       73.08
   2.744475 |          1        1.92       75.00
   2.790168 |          1        1.92       76.92
    2.80182 |          1        1.92       78.85
   2.828524 |          1        1.92       80.77
   3.030828 |          1        1.92       82.69
   3.030866 |          1        1.92       84.62
   3.094136 |          1        1.92       86.54
   3.099411 |          1        1.92       88.46
   3.191779 |          1        1.92       90.38
    3.28076 |          1        1.92       92.31
   3.291637 |          1        1.92       94.23
   3.363507 |          1        1.92       96.15
   3.700228 |          1        1.92       98.08
   3.917053 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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