Frequencies for first 10,000 rows of revcapr variable in namcs2009 dataset :

 percent of patient care revenue |
                 from capitation |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |        934        9.34        9.34
less than or equal to 25 percent |      8,086       80.86       90.20
                   26-50 percent |        474        4.74       94.94
                   51-75 percent |        341        3.41       98.35
            more than 75 percent |        165        1.65      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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