Frequencies for first 10,000 rows of owner variable in nhamcsed2003 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   voluntary non-profit |      6,230       62.30       62.30
government, non-federal |      2,600       26.00       88.30
            proprietary |      1,170       11.70      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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