Frequencies for carotidendarterectomyper1000medi variable in 1992_surg_discharg

    Carotid |
Endarterect |
    omy per |
       1000 |
   Medicare |
  Enrollees |
       1992 |      Freq.     Percent        Cum.
------------+-----------------------------------
    .679322 |          1        1.92        1.92
   1.052454 |          1        1.92        3.85
   1.057525 |          1        1.92        5.77
   1.108953 |          1        1.92        7.69
   1.175584 |          1        1.92        9.62
   1.212226 |          1        1.92       11.54
    1.34844 |          1        1.92       13.46
   1.350827 |          1        1.92       15.38
   1.452988 |          1        1.92       17.31
   1.479155 |          1        1.92       19.23
   1.528835 |          1        1.92       21.15
   1.655928 |          1        1.92       23.08
   1.676502 |          1        1.92       25.00
   1.760986 |          1        1.92       26.92
    1.80089 |          1        1.92       28.85
   1.835073 |          1        1.92       30.77
   1.843289 |          1        1.92       32.69
   1.855878 |          1        1.92       34.62
   1.860375 |          1        1.92       36.54
   1.889889 |          1        1.92       38.46
   1.915854 |          1        1.92       40.38
   1.934546 |          1        1.92       42.31
   1.940033 |          1        1.92       44.23
   2.026966 |          1        1.92       46.15
   2.038102 |          1        1.92       48.08
   2.086686 |          1        1.92       50.00
   2.154841 |          1        1.92       51.92
   2.221368 |          1        1.92       53.85
   2.221391 |          1        1.92       55.77
   2.263736 |          1        1.92       57.69
   2.277543 |          1        1.92       59.62
   2.312899 |          1        1.92       61.54
   2.346207 |          1        1.92       63.46
   2.381992 |          1        1.92       65.38
   2.416857 |          1        1.92       67.31
   2.450444 |          1        1.92       69.23
   2.452262 |          1        1.92       71.15
   2.465148 |          1        1.92       73.08
   2.531644 |          1        1.92       75.00
   2.532054 |          1        1.92       76.92
   2.541931 |          1        1.92       78.85
   2.545683 |          1        1.92       80.77
   2.569192 |          1        1.92       82.69
   2.575029 |          1        1.92       84.62
   2.636496 |          1        1.92       86.54
   2.790236 |          1        1.92       88.46
   2.852027 |          1        1.92       90.38
   2.914335 |          1        1.92       92.31
   2.968871 |          1        1.92       94.23
   3.026604 |          1        1.92       96.15
   3.250505 |          1        1.92       98.08
   3.632517 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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