Frequencies for backsurgeryper1000medicareenroll variable in 2008_10_surg_disch

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
    2008 10 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1.49 |          1        1.92        1.92
       2.51 |          1        1.92        3.85
       2.56 |          1        1.92        5.77
       2.73 |          1        1.92        7.69
       2.98 |          1        1.92        9.62
       3.34 |          1        1.92       11.54
       3.52 |          1        1.92       13.46
       3.58 |          1        1.92       15.38
       3.81 |          1        1.92       17.31
       3.91 |          2        3.85       21.15
       3.99 |          1        1.92       23.08
          4 |          1        1.92       25.00
       4.08 |          1        1.92       26.92
        4.1 |          1        1.92       28.85
       4.16 |          1        1.92       30.77
       4.23 |          1        1.92       32.69
        4.3 |          1        1.92       34.62
       4.33 |          1        1.92       36.54
        4.6 |          1        1.92       38.46
       4.64 |          1        1.92       40.38
       4.71 |          1        1.92       42.31
       4.74 |          1        1.92       44.23
       4.75 |          2        3.85       48.08
       4.84 |          1        1.92       50.00
       4.87 |          1        1.92       51.92
       4.94 |          1        1.92       53.85
       4.98 |          1        1.92       55.77
       5.02 |          1        1.92       57.69
       5.11 |          1        1.92       59.62
       5.18 |          1        1.92       61.54
       5.28 |          1        1.92       63.46
       5.29 |          1        1.92       65.38
       5.31 |          1        1.92       67.31
       5.36 |          1        1.92       69.23
        5.4 |          1        1.92       71.15
       5.48 |          1        1.92       73.08
        5.6 |          1        1.92       75.00
       5.62 |          1        1.92       76.92
       5.83 |          1        1.92       78.85
       5.86 |          1        1.92       80.77
       5.89 |          1        1.92       82.69
       5.96 |          1        1.92       84.62
       5.99 |          1        1.92       86.54
          6 |          1        1.92       88.46
        6.1 |          1        1.92       90.38
       6.18 |          1        1.92       92.31
       6.57 |          1        1.92       94.23
       6.68 |          1        1.92       96.15
       7.14 |          1        1.92       98.08
       9.17 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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