Frequencies for first 10,000 rows of ownsmg variable in nhamcsopd1996 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   Voluntary non-profit |      7,588       75.88       75.88
Government, non-Federal |      1,346       13.46       89.34
            Proprietary |      1,066       10.66      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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