Frequencies for first 10,000 rows of owner variable in nhamcsed2011 dataset :

     Hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   Voluntary non-profit |      8,143       81.43       81.43
Government, non-Federal |      1,758       17.58       99.01
            Proprietary |         99        0.99      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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