Frequencies for backsurgeryper1000medicareenroll variable in 1994_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       1994 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.439306 |          1        1.92        1.92
   1.478517 |          1        1.92        3.85
   1.578944 |          1        1.92        5.77
   1.639486 |          1        1.92        7.69
   1.741832 |          1        1.92        9.62
   1.819943 |          1        1.92       11.54
    1.88153 |          1        1.92       13.46
   2.004907 |          1        1.92       15.38
   2.156372 |          1        1.92       17.31
   2.164928 |          1        1.92       19.23
   2.192524 |          1        1.92       21.15
   2.227166 |          1        1.92       23.08
    2.25378 |          1        1.92       25.00
    2.29901 |          1        1.92       26.92
   2.312894 |          1        1.92       28.85
    2.31747 |          1        1.92       30.77
   2.319354 |          1        1.92       32.69
    2.35323 |          1        1.92       34.62
   2.433038 |          1        1.92       36.54
   2.445883 |          1        1.92       38.46
   2.446548 |          1        1.92       40.38
   2.451562 |          1        1.92       42.31
   2.494364 |          1        1.92       44.23
   2.508696 |          1        1.92       46.15
    2.53345 |          1        1.92       48.08
   2.544234 |          1        1.92       50.00
   2.552573 |          1        1.92       51.92
   2.563056 |          1        1.92       53.85
   2.569751 |          1        1.92       55.77
   2.586876 |          1        1.92       57.69
   2.639033 |          1        1.92       59.62
   2.735444 |          1        1.92       61.54
   2.771055 |          1        1.92       63.46
   2.825441 |          1        1.92       65.38
   2.882686 |          1        1.92       67.31
   2.883486 |          1        1.92       69.23
   2.932151 |          1        1.92       71.15
   2.962145 |          1        1.92       73.08
   2.995523 |          1        1.92       75.00
   3.055053 |          1        1.92       76.92
   3.082802 |          1        1.92       78.85
   3.142015 |          1        1.92       80.77
   3.210938 |          1        1.92       82.69
   3.226929 |          1        1.92       84.62
   3.248754 |          1        1.92       86.54
   3.259939 |          1        1.92       88.46
   3.479309 |          1        1.92       90.38
   3.508577 |          1        1.92       92.31
   4.314401 |          1        1.92       94.23
   4.370849 |          1        1.92       96.15
   4.504309 |          1        1.92       98.08
   5.150014 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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