Frequencies for backsurgeryper1000medicareenroll variable in 1995_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       1995 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.104284 |          1        1.92        1.92
    1.45722 |          1        1.92        3.85
   1.486768 |          1        1.92        5.77
   1.536376 |          1        1.92        7.69
   1.791121 |          1        1.92        9.62
   1.844434 |          1        1.92       11.54
   1.947685 |          1        1.92       13.46
   1.992936 |          1        1.92       15.38
   2.040238 |          1        1.92       17.31
   2.123451 |          1        1.92       19.23
   2.247134 |          1        1.92       21.15
   2.261731 |          1        1.92       23.08
   2.274784 |          1        1.92       25.00
   2.358076 |          1        1.92       26.92
   2.389086 |          1        1.92       28.85
   2.392104 |          1        1.92       30.77
   2.428664 |          1        1.92       32.69
   2.439252 |          1        1.92       34.62
   2.466098 |          1        1.92       36.54
   2.483958 |          1        1.92       38.46
   2.513246 |          1        1.92       40.38
   2.573995 |          1        1.92       42.31
   2.598808 |          1        1.92       44.23
   2.678911 |          1        1.92       46.15
   2.702631 |          1        1.92       48.08
   2.704317 |          1        1.92       50.00
   2.708437 |          1        1.92       51.92
   2.719579 |          1        1.92       53.85
   2.744807 |          1        1.92       55.77
   2.751108 |          1        1.92       57.69
   2.780391 |          1        1.92       59.62
    2.81972 |          1        1.92       61.54
   2.823148 |          1        1.92       63.46
   2.869472 |          1        1.92       65.38
   2.927109 |          1        1.92       67.31
   2.937034 |          1        1.92       69.23
   2.966004 |          1        1.92       71.15
    2.99547 |          1        1.92       73.08
   3.054424 |          1        1.92       75.00
   3.061179 |          1        1.92       76.92
   3.135887 |          1        1.92       78.85
   3.136837 |          1        1.92       80.77
   3.139805 |          1        1.92       82.69
    3.26886 |          1        1.92       84.62
   3.421673 |          1        1.92       86.54
   3.544931 |          1        1.92       88.46
   3.700814 |          1        1.92       90.38
   3.758266 |          1        1.92       92.31
   3.918981 |          1        1.92       94.23
   4.574506 |          1        1.92       96.15
   4.606196 |          1        1.92       98.08
   5.045621 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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