Frequencies for first 10,000 rows of revcapr variable in namcs2013 dataset :

       Percent of |
     patient care |
     revenue from |
       capitation |      Freq.     Percent        Cum.
------------------+-----------------------------------
            Blank |      2,399       23.99       23.99
          Unknown |         35        0.35       24.34
     0-25 percent |      6,064       60.64       84.98
    26-50 percent |        786        7.86       92.84
    51-75 percent |        377        3.77       96.61
   76-100 percent |        339        3.39      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017