Frequencies for carotidendarterectomyper1000medi variable in 1993_surg_discharg

    Carotid |
Endarterect |
    omy per |
       1000 |
   Medicare |
  Enrollees |
       1993 |      Freq.     Percent        Cum.
------------+-----------------------------------
   .6890746 |          1        1.92        1.92
   1.016433 |          1        1.92        3.85
   1.023911 |          1        1.92        5.77
   1.024087 |          1        1.92        7.69
   1.141536 |          1        1.92        9.62
   1.184811 |          1        1.92       11.54
   1.394134 |          1        1.92       13.46
   1.507444 |          1        1.92       15.38
   1.530023 |          1        1.92       17.31
   1.531175 |          1        1.92       19.23
   1.599433 |          1        1.92       21.15
   1.683396 |          1        1.92       23.08
   1.695248 |          1        1.92       25.00
   1.713737 |          1        1.92       26.92
   1.714522 |          1        1.92       28.85
   1.773017 |          1        1.92       30.77
   1.784153 |          1        1.92       32.69
   1.798976 |          1        1.92       34.62
    1.81827 |          1        1.92       36.54
     1.8783 |          1        1.92       38.46
   1.910754 |          1        1.92       40.38
   1.934428 |          1        1.92       42.31
   1.936958 |          1        1.92       44.23
     1.9646 |          1        1.92       46.15
   1.998189 |          1        1.92       48.08
   2.045066 |          1        1.92       50.00
   2.055509 |          1        1.92       51.92
   2.095425 |          1        1.92       53.85
    2.16001 |          1        1.92       55.77
   2.167959 |          1        1.92       57.69
   2.170065 |          1        1.92       59.62
   2.197129 |          1        1.92       61.54
   2.204348 |          1        1.92       63.46
   2.301227 |          1        1.92       65.38
   2.304646 |          1        1.92       67.31
   2.316741 |          1        1.92       69.23
   2.341508 |          1        1.92       71.15
   2.367657 |          1        1.92       73.08
   2.376386 |          1        1.92       75.00
   2.403039 |          1        1.92       76.92
   2.483779 |          1        1.92       78.85
   2.548529 |          1        1.92       80.77
   2.605992 |          1        1.92       82.69
   2.670495 |          1        1.92       84.62
   2.708354 |          1        1.92       86.54
   2.803968 |          1        1.92       88.46
   2.857544 |          1        1.92       90.38
   2.883288 |          1        1.92       92.31
    2.99262 |          1        1.92       94.23
   3.048929 |          1        1.92       96.15
   3.107543 |          1        1.92       98.08
   3.226786 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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