Frequencies for hipreplacementper1000medicareenr variable in 2009_surg_discharg

        Hip |
Replacement |
   per 1000 |
   Medicare |
  Enrollees |
       2009 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1.37 |          1        1.92        1.92
       2.61 |          1        1.92        3.85
       2.67 |          1        1.92        5.77
       2.78 |          1        1.92        7.69
       2.88 |          1        1.92        9.62
        3.1 |          1        1.92       11.54
       3.12 |          1        1.92       13.46
       3.21 |          1        1.92       15.38
       3.22 |          1        1.92       17.31
       3.28 |          1        1.92       19.23
       3.32 |          1        1.92       21.15
       3.39 |          1        1.92       23.08
       3.41 |          1        1.92       25.00
       3.44 |          1        1.92       26.92
       3.48 |          1        1.92       28.85
       3.55 |          1        1.92       30.77
       3.57 |          1        1.92       32.69
       3.71 |          1        1.92       34.62
       3.75 |          1        1.92       36.54
        3.8 |          1        1.92       38.46
       3.81 |          1        1.92       40.38
       3.83 |          1        1.92       42.31
       3.85 |          1        1.92       44.23
       3.86 |          1        1.92       46.15
       3.87 |          1        1.92       48.08
       3.88 |          1        1.92       50.00
       3.91 |          1        1.92       51.92
       3.96 |          1        1.92       53.85
       4.13 |          1        1.92       55.77
       4.14 |          1        1.92       57.69
       4.19 |          1        1.92       59.62
       4.21 |          1        1.92       61.54
       4.22 |          1        1.92       63.46
       4.23 |          2        3.85       67.31
       4.32 |          1        1.92       69.23
       4.35 |          1        1.92       71.15
       4.37 |          1        1.92       73.08
       4.55 |          1        1.92       75.00
       4.61 |          1        1.92       76.92
       4.66 |          1        1.92       78.85
       4.91 |          1        1.92       80.77
       4.93 |          1        1.92       82.69
       4.96 |          1        1.92       84.62
       5.05 |          1        1.92       86.54
        5.1 |          1        1.92       88.46
       5.12 |          1        1.92       90.38
       5.18 |          1        1.92       92.31
       5.22 |          1        1.92       94.23
       5.23 |          1        1.92       96.15
        5.4 |          1        1.92       98.08
       5.75 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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