Frequencies for kneereplacementper1000medicareen variable in 1993_surg_discharg

       Knee |
Replacement |
   per 1000 |
   Medicare |
  Enrollees |
       1993 |      Freq.     Percent        Cum.
------------+-----------------------------------
   1.331919 |          1        1.92        1.92
   2.526224 |          1        1.92        3.85
   2.669768 |          1        1.92        5.77
   2.886578 |          1        1.92        7.69
   2.920217 |          1        1.92        9.62
    2.95708 |          1        1.92       11.54
   3.098743 |          1        1.92       13.46
    3.11426 |          1        1.92       15.38
   3.182296 |          1        1.92       17.31
   3.343723 |          1        1.92       19.23
   3.374507 |          1        1.92       21.15
   3.476034 |          1        1.92       23.08
   3.612109 |          1        1.92       25.00
   3.613734 |          1        1.92       26.92
   3.616009 |          1        1.92       28.85
   3.656405 |          1        1.92       30.77
   3.656677 |          1        1.92       32.69
    3.65741 |          1        1.92       34.62
    3.70056 |          1        1.92       36.54
   3.766401 |          1        1.92       38.46
   3.818117 |          1        1.92       40.38
   3.860549 |          1        1.92       42.31
   3.940534 |          1        1.92       44.23
   3.985532 |          1        1.92       46.15
   4.066514 |          1        1.92       48.08
   4.173045 |          1        1.92       50.00
    4.23213 |          1        1.92       51.92
   4.240509 |          1        1.92       53.85
   4.242445 |          1        1.92       55.77
   4.254012 |          1        1.92       57.69
   4.284155 |          1        1.92       59.62
   4.330055 |          1        1.92       61.54
   4.351719 |          1        1.92       63.46
   4.397241 |          1        1.92       65.38
   4.460497 |          1        1.92       67.31
   4.612654 |          1        1.92       69.23
   4.659342 |          1        1.92       71.15
   4.667726 |          1        1.92       73.08
   4.697736 |          1        1.92       75.00
   4.757809 |          1        1.92       76.92
   4.807997 |          1        1.92       78.85
   4.999673 |          1        1.92       80.77
   5.405358 |          1        1.92       82.69
   5.598262 |          1        1.92       84.62
   5.896656 |          1        1.92       86.54
   5.910852 |          1        1.92       88.46
   6.113758 |          1        1.92       90.38
   6.171119 |          1        1.92       92.31
   6.228564 |          1        1.92       94.23
   6.236506 |          1        1.92       96.15
     6.2872 |          1        1.92       98.08
    6.41479 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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