Frequencies for coronaryangiographyper1000medica variable in 2002_surg_discharg

   Coronary |
Angiography |
   per 1000 |
   Medicare |
  Enrollees |
       2002 |      Freq.     Percent        Cum.
------------+-----------------------------------
   8.273093 |          1        1.92        1.92
   14.72322 |          1        1.92        3.85
   15.42495 |          1        1.92        5.77
    15.5641 |          1        1.92        7.69
   15.77771 |          1        1.92        9.62
   16.89597 |          1        1.92       11.54
   17.29709 |          1        1.92       13.46
   17.43059 |          1        1.92       15.38
   17.46164 |          1        1.92       17.31
   17.60384 |          1        1.92       19.23
   17.63698 |          1        1.92       21.15
   17.66628 |          1        1.92       23.08
   17.70604 |          1        1.92       25.00
   18.17007 |          1        1.92       26.92
     18.509 |          1        1.92       28.85
   18.59581 |          1        1.92       30.77
   18.86436 |          1        1.92       32.69
   19.49543 |          1        1.92       34.62
   19.49689 |          1        1.92       36.54
   19.75977 |          1        1.92       38.46
   20.02263 |          1        1.92       40.38
    20.7614 |          1        1.92       42.31
   21.09088 |          1        1.92       44.23
   21.27389 |          1        1.92       46.15
   21.62179 |          1        1.92       48.08
   21.83854 |          1        1.92       50.00
   21.90778 |          1        1.92       51.92
   21.98824 |          1        1.92       53.85
   22.57277 |          1        1.92       55.77
   22.57638 |          1        1.92       57.69
   22.71557 |          1        1.92       59.62
   23.09037 |          1        1.92       61.54
   23.54563 |          1        1.92       63.46
   23.84649 |          1        1.92       65.38
   23.85992 |          1        1.92       67.31
   24.46012 |          1        1.92       69.23
   25.06327 |          1        1.92       71.15
   25.09567 |          1        1.92       73.08
   25.43675 |          1        1.92       75.00
   25.50773 |          1        1.92       76.92
   25.97161 |          1        1.92       78.85
   26.00411 |          1        1.92       80.77
   26.10117 |          1        1.92       82.69
   26.27627 |          1        1.92       84.62
   26.38594 |          1        1.92       86.54
   26.59524 |          1        1.92       88.46
   27.10306 |          1        1.92       90.38
   27.88149 |          1        1.92       92.31
   28.12875 |          1        1.92       94.23
   28.86165 |          1        1.92       96.15
   31.46246 |          1        1.92       98.08
   34.35581 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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