Frequencies for kneereplacementper1000medicareen variable in 2002_surg_discharg

       Knee |
Replacement |
   per 1000 |
   Medicare |
  Enrollees |
       2002 |      Freq.     Percent        Cum.
------------+-----------------------------------
   2.130206 |          1        1.92        1.92
   4.328944 |          1        1.92        3.85
   4.439725 |          1        1.92        5.77
   4.828902 |          1        1.92        7.69
   4.882845 |          1        1.92        9.62
   4.946276 |          1        1.92       11.54
   4.971162 |          1        1.92       13.46
   5.161552 |          1        1.92       15.38
   5.208972 |          1        1.92       17.31
   5.264843 |          1        1.92       19.23
   5.323967 |          1        1.92       21.15
   5.557869 |          1        1.92       23.08
   5.730317 |          1        1.92       25.00
    5.76072 |          1        1.92       26.92
   5.824025 |          1        1.92       28.85
   5.892307 |          1        1.92       30.77
   6.095122 |          1        1.92       32.69
   6.101957 |          1        1.92       34.62
   6.146992 |          1        1.92       36.54
   6.184606 |          1        1.92       38.46
    6.23107 |          1        1.92       40.38
   6.256249 |          1        1.92       42.31
   6.295937 |          1        1.92       44.23
   6.309265 |          1        1.92       46.15
   6.342626 |          1        1.92       48.08
   6.415687 |          1        1.92       50.00
   6.428698 |          1        1.92       51.92
   6.479208 |          1        1.92       53.85
   6.541381 |          1        1.92       55.77
   6.562575 |          1        1.92       57.69
   6.621562 |          1        1.92       59.62
   6.647855 |          1        1.92       61.54
   6.666361 |          1        1.92       63.46
   6.806084 |          1        1.92       65.38
   6.813822 |          1        1.92       67.31
   6.901112 |          1        1.92       69.23
   6.985374 |          1        1.92       71.15
   7.122874 |          1        1.92       73.08
   7.311884 |          1        1.92       75.00
    7.35959 |          1        1.92       76.92
   7.519453 |          1        1.92       78.85
   7.722978 |          1        1.92       80.77
   7.773954 |          1        1.92       82.69
   7.775529 |          1        1.92       84.62
   7.889643 |          1        1.92       86.54
   8.363638 |          1        1.92       88.46
   8.563469 |          1        1.92       90.38
    8.87053 |          1        1.92       92.31
   8.935094 |          1        1.92       94.23
   9.273643 |          1        1.92       96.15
    9.52862 |          1        1.92       98.08
   9.672047 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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