Frequencies for first 10,000 rows of prmaidr variable in namcs2012 dataset :

       Percent of |
     patient care |
     revenue from |
         Medicaid |      Freq.     Percent        Cum.
------------------+-----------------------------------
            Blank |        829        8.29        8.29
     0-25 percent |      7,520       75.20       83.49
    26-50 percent |        931        9.31       92.80
    51-75 percent |        446        4.46       97.26
   76-100 percent |        274        2.74      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016