Frequencies for first 10,000 rows of owner variable in nhamcsed2010 dataset :

     Hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   voluntary non-profit |      7,110       71.10       71.10
government, non-federal |      1,870       18.70       89.80
            proprietary |      1,020       10.20      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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