Frequencies for first 10,000 rows of revdiscr variable in namcs2010 dataset :

 percent of patient care revenue |
 from discounted fee-for-service |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |      1,084       10.84       10.84
less than or equal to 25 percent |      6,850       68.50       79.34
                   26-50 percent |        674        6.74       86.08
                   51-75 percent |        414        4.14       90.22
            more than 75 percent |        978        9.78      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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