Frequencies for first 10,000 rows of prpatr variable in namcs2014 dataset :

       Percent of |
  patient revenue |
     from patient |
         payments |      Freq.     Percent        Cum.
------------------+-----------------------------------
            Blank |      1,030       10.30       10.30
     0-25 percent |      8,368       83.68       93.98
    26-50 percent |        226        2.26       96.24
    51-75 percent |         99        0.99       97.23
   76-100 percent |        277        2.77      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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