Frequencies for first 10,000 rows of owner variable in nhamcsed2006 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   voluntary non-profit |      8,246       82.46       82.46
government, non-federal |        945        9.45       91.91
            proprietary |        809        8.09      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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