Frequencies for backsurgeryper1000medicareenroll variable in 2010_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       2010 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1.46 |          1        1.92        1.92
       2.56 |          1        1.92        3.85
       2.59 |          1        1.92        5.77
       2.82 |          1        1.92        7.69
       2.89 |          1        1.92        9.62
       3.24 |          1        1.92       11.54
       3.54 |          1        1.92       13.46
       3.58 |          1        1.92       15.38
       3.69 |          1        1.92       17.31
       3.86 |          1        1.92       19.23
       3.89 |          1        1.92       21.15
       3.99 |          1        1.92       23.08
       4.11 |          1        1.92       25.00
       4.14 |          1        1.92       26.92
       4.18 |          1        1.92       28.85
       4.22 |          2        3.85       32.69
       4.31 |          1        1.92       34.62
       4.34 |          1        1.92       36.54
       4.38 |          1        1.92       38.46
       4.42 |          1        1.92       40.38
       4.54 |          1        1.92       42.31
       4.74 |          2        3.85       46.15
       4.89 |          1        1.92       48.08
        4.9 |          1        1.92       50.00
       4.91 |          1        1.92       51.92
       4.96 |          1        1.92       53.85
       4.98 |          1        1.92       55.77
       5.03 |          1        1.92       57.69
       5.05 |          1        1.92       59.62
        5.1 |          1        1.92       61.54
       5.12 |          1        1.92       63.46
       5.16 |          1        1.92       65.38
       5.23 |          1        1.92       67.31
       5.34 |          1        1.92       69.23
        5.4 |          1        1.92       71.15
       5.51 |          1        1.92       73.08
       5.56 |          1        1.92       75.00
       5.76 |          2        3.85       78.85
       5.96 |          1        1.92       80.77
       6.05 |          1        1.92       82.69
       6.06 |          1        1.92       84.62
       6.09 |          1        1.92       86.54
       6.15 |          1        1.92       88.46
       6.19 |          1        1.92       90.38
        6.2 |          1        1.92       92.31
       6.54 |          1        1.92       94.23
       6.62 |          1        1.92       96.15
       6.66 |          1        1.92       98.08
       8.86 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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