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

 percent of patient care revenue |
   from other methods of payment |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |      1,055       10.55       10.55
less than or equal to 25 percent |      8,654       86.54       97.09
                   26-50 percent |         80        0.80       97.89
                   51-75 percent |         85        0.85       98.74
            more than 75 percent |        126        1.26      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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