Frequencies for coronaryangiographyper1000medica variable in 2000_surg_discharg

   Coronary |
Angiography |
   per 1000 |
   Medicare |
  Enrollees |
       2000 |      Freq.     Percent        Cum.
------------+-----------------------------------
   7.789013 |          1        1.92        1.92
   13.25962 |          1        1.92        3.85
   13.53613 |          1        1.92        5.77
   14.68113 |          1        1.92        7.69
   14.75625 |          1        1.92        9.62
   16.07266 |          1        1.92       11.54
   16.52513 |          1        1.92       13.46
    16.5911 |          1        1.92       15.38
   16.64746 |          1        1.92       17.31
   16.73704 |          1        1.92       19.23
    16.7422 |          1        1.92       21.15
    17.3841 |          1        1.92       23.08
   17.60014 |          1        1.92       25.00
   18.51233 |          1        1.92       26.92
   18.99015 |          1        1.92       28.85
   19.05169 |          1        1.92       30.77
   19.23305 |          1        1.92       32.69
   19.39764 |          1        1.92       34.62
   19.59393 |          1        1.92       36.54
   19.62231 |          1        1.92       38.46
    19.7672 |          1        1.92       40.38
   19.84033 |          1        1.92       42.31
    20.0299 |          1        1.92       44.23
   20.37586 |          1        1.92       46.15
   20.47924 |          1        1.92       48.08
   20.61404 |          1        1.92       50.00
    20.7103 |          1        1.92       51.92
   21.71602 |          1        1.92       53.85
   22.12514 |          1        1.92       55.77
   22.18787 |          1        1.92       57.69
   22.37101 |          1        1.92       59.62
   22.43438 |          1        1.92       61.54
   22.49395 |          1        1.92       63.46
    23.0462 |          1        1.92       65.38
   23.13064 |          1        1.92       67.31
   23.47399 |          1        1.92       69.23
    23.5523 |          1        1.92       71.15
   23.73009 |          1        1.92       73.08
   23.74492 |          1        1.92       75.00
   24.18529 |          1        1.92       76.92
   24.79767 |          1        1.92       78.85
   24.83995 |          1        1.92       80.77
     25.204 |          1        1.92       82.69
   25.25782 |          1        1.92       84.62
   25.45425 |          1        1.92       86.54
   25.46088 |          1        1.92       88.46
   25.79035 |          1        1.92       90.38
   25.96927 |          1        1.92       92.31
     26.888 |          1        1.92       94.23
   27.47329 |          1        1.92       96.15
   30.70183 |          1        1.92       98.08
    33.4656 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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