Frequencies for first 10,000 rows of owner variable in nhamcsed2008 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   voluntary non-profit |      7,591       75.91       75.91
government, non-federal |      1,268       12.68       88.59
            proprietary |      1,141       11.41      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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