Frequencies for kneereplacementper1000medicareen variable in 2000_surg_discharg

       Knee |
Replacement |
   per 1000 |
   Medicare |
  Enrollees |
       2000 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.932481 |          1        1.92        1.92
   3.465197 |          1        1.92        3.85
   3.643492 |          1        1.92        5.77
   3.697807 |          1        1.92        7.69
   4.086063 |          1        1.92        9.62
   4.150117 |          1        1.92       11.54
   4.209404 |          1        1.92       13.46
   4.405045 |          1        1.92       15.38
   4.431083 |          1        1.92       17.31
   4.497444 |          1        1.92       19.23
   4.613806 |          1        1.92       21.15
   4.643332 |          1        1.92       23.08
   4.695662 |          1        1.92       25.00
   4.702579 |          1        1.92       26.92
   4.767496 |          1        1.92       28.85
   5.057818 |          1        1.92       30.77
   5.117666 |          1        1.92       32.69
   5.191485 |          1        1.92       34.62
   5.229757 |          1        1.92       36.54
   5.232033 |          1        1.92       38.46
   5.301755 |          1        1.92       40.38
   5.306595 |          1        1.92       42.31
   5.354359 |          1        1.92       44.23
   5.379754 |          1        1.92       46.15
   5.380163 |          1        1.92       48.08
   5.382361 |          1        1.92       50.00
   5.400937 |          1        1.92       51.92
   5.447703 |          1        1.92       53.85
   5.459458 |          1        1.92       55.77
    5.56719 |          1        1.92       57.69
   5.575718 |          1        1.92       59.62
   5.630895 |          1        1.92       61.54
   5.686545 |          1        1.92       63.46
   5.712179 |          1        1.92       65.38
   5.769568 |          1        1.92       67.31
   5.818276 |          1        1.92       69.23
   5.832657 |          1        1.92       71.15
   5.886858 |          1        1.92       73.08
   6.055529 |          1        1.92       75.00
   6.272389 |          1        1.92       76.92
   6.366019 |          1        1.92       78.85
   6.471715 |          1        1.92       80.77
   6.547609 |          1        1.92       82.69
   7.092362 |          1        1.92       84.62
   7.132757 |          1        1.92       86.54
   7.532726 |          1        1.92       88.46
   7.558744 |          1        1.92       90.38
   7.894269 |          1        1.92       92.31
   8.028267 |          1        1.92       94.23
   8.088395 |          1        1.92       96.15
   8.225089 |          1        1.92       98.08
   8.712105 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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