Frequencies for backsurgeryper1000medicareenroll variable in 2002_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       2002 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.538705 |          1        1.92        1.92
   2.119335 |          1        1.92        3.85
    2.18913 |          1        1.92        5.77
   2.279099 |          1        1.92        7.69
    2.44792 |          1        1.92        9.62
   2.455911 |          1        1.92       11.54
   2.540602 |          1        1.92       13.46
   2.779985 |          1        1.92       15.38
   2.920251 |          1        1.92       17.31
   3.030499 |          1        1.92       19.23
   3.205278 |          1        1.92       21.15
    3.41203 |          1        1.92       23.08
   3.422817 |          1        1.92       25.00
   3.429345 |          1        1.92       26.92
   3.439378 |          1        1.92       28.85
   3.500525 |          1        1.92       30.77
   3.562394 |          1        1.92       32.69
    3.59397 |          1        1.92       34.62
   3.606701 |          1        1.92       36.54
   3.641735 |          1        1.92       38.46
   3.715378 |          1        1.92       40.38
   3.747805 |          1        1.92       42.31
   3.898016 |          1        1.92       44.23
   3.922801 |          1        1.92       46.15
   3.958712 |          1        1.92       48.08
   4.027255 |          1        1.92       50.00
    4.04425 |          1        1.92       51.92
   4.058955 |          1        1.92       53.85
   4.109396 |          1        1.92       55.77
   4.124008 |          1        1.92       57.69
   4.277209 |          1        1.92       59.62
   4.333808 |          1        1.92       61.54
   4.357071 |          1        1.92       63.46
    4.35814 |          1        1.92       65.38
   4.386518 |          1        1.92       67.31
    4.54905 |          1        1.92       69.23
   4.564822 |          1        1.92       71.15
   4.579252 |          1        1.92       73.08
   4.789419 |          1        1.92       75.00
   4.801344 |          1        1.92       76.92
   4.815677 |          1        1.92       78.85
   4.849632 |          1        1.92       80.77
    4.87786 |          1        1.92       82.69
   4.940262 |          1        1.92       84.62
   5.270991 |          1        1.92       86.54
   5.551774 |          1        1.92       88.46
   5.643487 |          1        1.92       90.38
   5.650336 |          1        1.92       92.31
   6.385975 |          1        1.92       94.23
   6.796165 |          1        1.92       96.15
   7.622808 |          1        1.92       98.08
   8.785452 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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