Frequencies for backsurgeryper1000medicareenroll variable in 1999_surg_discharg

       Back |
Surgery per |
       1000 |
   Medicare |
  Enrollees |
       1999 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.060339 |          1        1.92        1.92
   1.942657 |          1        1.92        3.85
   2.037874 |          1        1.92        5.77
   2.049317 |          1        1.92        7.69
   2.171287 |          1        1.92        9.62
    2.40483 |          1        1.92       11.54
   2.523025 |          1        1.92       13.46
   2.547996 |          1        1.92       15.38
   2.604844 |          1        1.92       17.31
   2.627679 |          1        1.92       19.23
   2.766374 |          1        1.92       21.15
   2.788449 |          1        1.92       23.08
   2.873686 |          1        1.92       25.00
   2.931637 |          1        1.92       26.92
   2.937653 |          1        1.92       28.85
   3.046918 |          1        1.92       30.77
   3.059337 |          1        1.92       32.69
   3.068016 |          1        1.92       34.62
   3.151216 |          1        1.92       36.54
   3.153502 |          1        1.92       38.46
   3.170785 |          1        1.92       40.38
   3.215927 |          1        1.92       42.31
   3.245154 |          1        1.92       44.23
   3.277078 |          1        1.92       46.15
    3.35811 |          1        1.92       48.08
   3.399101 |          1        1.92       50.00
   3.499321 |          1        1.92       51.92
   3.591997 |          1        1.92       53.85
   3.604513 |          1        1.92       55.77
   3.727265 |          1        1.92       57.69
   3.734918 |          1        1.92       59.62
   3.739642 |          1        1.92       61.54
   3.760436 |          1        1.92       63.46
   3.775757 |          1        1.92       65.38
   3.801674 |          1        1.92       67.31
   3.816083 |          1        1.92       69.23
   3.839848 |          1        1.92       71.15
   3.881514 |          1        1.92       73.08
   3.894316 |          1        1.92       75.00
   3.904874 |          1        1.92       76.92
   4.079541 |          1        1.92       78.85
   4.119165 |          1        1.92       80.77
   4.230924 |          1        1.92       82.69
     4.3415 |          1        1.92       84.62
   4.382946 |          1        1.92       86.54
   4.518887 |          1        1.92       88.46
   4.578779 |          1        1.92       90.38
   4.797864 |          1        1.92       92.31
   4.916386 |          1        1.92       94.23
   5.813203 |          1        1.92       96.15
    6.73677 |          1        1.92       98.08
   6.808836 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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