Frequencies for first 10,000 rows of revothr variable in namcs2013 dataset :

       Percent of |
     patient care |
     revenue from |
            other |      Freq.     Percent        Cum.
------------------+-----------------------------------
            Blank |      2,399       23.99       23.99
          Unknown |         35        0.35       24.34
     0-25 percent |      6,596       65.96       90.30
    26-50 percent |        341        3.41       93.71
    51-75 percent |         82        0.82       94.53
   76-100 percent |        547        5.47      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017