Frequencies for first 10,000 rows of revdiscr variable in namcs2011 dataset :

 Percent of patient care revenue |
 from discounted fee for service |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           Blank |      1,232       12.32       12.32
Less than or equal to 25 percent |      6,634       66.34       78.66
                   26-50 percent |        695        6.95       85.61
                   51-75 percent |        479        4.79       90.40
            More than 75 percent |        960        9.60      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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