Frequencies for first 10,000 rows of revcapr variable in namcs2008 dataset :

 percent of patient care revenue |
                 from capitation |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |      1,009       10.09       10.09
less than or equal to 25 percent |      7,712       77.12       87.21
                   26-50 percent |        689        6.89       94.10
                   51-75 percent |        384        3.84       97.94
            more than 75 percent |        206        2.06      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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