Frequencies for first 10,000 rows of ownsmg variable in nhamcsed1997 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   Voluntary non-profit |      6,557       65.57       65.57
Government, non-Federal |      1,414       14.14       79.71
            Proprietary |      2,029       20.29      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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