Frequencies for backsurgeryper1000medicareenroll variable in 2005_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       2005 |      Freq.     Percent        Cum.
------------+-----------------------------------
    1.78832 |          1        1.92        1.92
   2.252704 |          1        1.92        3.85
   2.345659 |          1        1.92        5.77
   2.466693 |          1        1.92        7.69
   2.617635 |          1        1.92        9.62
   2.862312 |          1        1.92       11.54
   3.077325 |          1        1.92       13.46
   3.212097 |          1        1.92       15.38
   3.268262 |          1        1.92       17.31
   3.272789 |          1        1.92       19.23
   3.377069 |          1        1.92       21.15
   3.546471 |          1        1.92       23.08
   3.551229 |          1        1.92       25.00
   3.621279 |          1        1.92       26.92
   3.629509 |          1        1.92       28.85
    3.77397 |          1        1.92       30.77
   3.884243 |          1        1.92       32.69
   3.884968 |          1        1.92       34.62
   3.993719 |          1        1.92       36.54
   4.132676 |          1        1.92       38.46
   4.179293 |          1        1.92       40.38
   4.218693 |          1        1.92       42.31
   4.256273 |          1        1.92       44.23
   4.278235 |          1        1.92       46.15
   4.296405 |          1        1.92       48.08
   4.343411 |          1        1.92       50.00
   4.348711 |          1        1.92       51.92
    4.43468 |          1        1.92       53.85
   4.470213 |          1        1.92       55.77
   4.561269 |          1        1.92       57.69
   4.601274 |          1        1.92       59.62
   4.648655 |          1        1.92       61.54
   4.700613 |          1        1.92       63.46
   4.714328 |          1        1.92       65.38
   4.882745 |          1        1.92       67.31
   4.916203 |          1        1.92       69.23
   4.937287 |          1        1.92       71.15
   5.098539 |          1        1.92       73.08
   5.142337 |          1        1.92       75.00
   5.330305 |          1        1.92       76.92
   5.343193 |          1        1.92       78.85
   5.355478 |          1        1.92       80.77
   5.545035 |          1        1.92       82.69
   5.662488 |          1        1.92       84.62
    5.66887 |          1        1.92       86.54
    5.76852 |          1        1.92       88.46
   6.132102 |          1        1.92       90.38
   6.348433 |          1        1.92       92.31
   6.646679 |          1        1.92       94.23
   6.695462 |          1        1.92       96.15
   7.626263 |          1        1.92       98.08
   9.549647 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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