Frequencies for backsurgeryper1000medicareenroll variable in 2000_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       2000 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.525582 |          1        1.92        1.92
   2.017801 |          1        1.92        3.85
   2.024865 |          1        1.92        5.77
   2.206933 |          1        1.92        7.69
   2.584027 |          1        1.92        9.62
   2.616112 |          1        1.92       11.54
   2.698141 |          1        1.92       13.46
   2.875435 |          1        1.92       15.38
   2.891601 |          1        1.92       17.31
   2.917893 |          1        1.92       19.23
    2.98293 |          1        1.92       21.15
   3.069731 |          1        1.92       23.08
   3.118315 |          1        1.92       25.00
   3.128489 |          1        1.92       26.92
   3.171521 |          1        1.92       28.85
   3.233382 |          1        1.92       30.77
    3.24472 |          1        1.92       32.69
   3.249266 |          1        1.92       34.62
   3.288299 |          1        1.92       36.54
   3.408792 |          1        1.92       38.46
   3.502455 |          1        1.92       40.38
   3.530992 |          1        1.92       42.31
   3.533565 |          1        1.92       44.23
   3.560982 |          1        1.92       46.15
   3.581554 |          1        1.92       48.08
   3.611059 |          1        1.92       50.00
    3.62131 |          1        1.92       51.92
   3.727437 |          1        1.92       53.85
   3.742566 |          1        1.92       55.77
   3.927521 |          1        1.92       57.69
   3.931192 |          1        1.92       59.62
   3.960484 |          1        1.92       61.54
   3.996618 |          1        1.92       63.46
   4.000787 |          1        1.92       65.38
    4.08303 |          1        1.92       67.31
   4.089919 |          1        1.92       69.23
   4.110254 |          1        1.92       71.15
   4.127488 |          1        1.92       73.08
   4.131233 |          1        1.92       75.00
   4.182322 |          1        1.92       76.92
   4.197854 |          1        1.92       78.85
    4.31369 |          1        1.92       80.77
   4.437521 |          1        1.92       82.69
   4.544181 |          1        1.92       84.62
   4.895858 |          1        1.92       86.54
   4.944176 |          1        1.92       88.46
   5.012259 |          1        1.92       90.38
   5.652382 |          1        1.92       92.31
   5.690405 |          1        1.92       94.23
   6.171896 |          1        1.92       96.15
   7.140635 |          1        1.92       98.08
   7.366437 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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