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

 percent of patient care revenue |
   from other methods of payment |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |        955        9.55        9.55
less than or equal to 25 percent |      8,773       87.73       97.28
                   26-50 percent |        178        1.78       99.06
                   51-75 percent |         27        0.27       99.33
            more than 75 percent |         67        0.67      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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