Frequencies for first 10,000 rows of ownsmg variable in nhamcsed1993 dataset : hospital ownership | Freq. Percent Cum. ------------------------+----------------------------------- Voluntary non-profit | 7,285 72.85 72.85 Government, non-Federal | 1,457 14.57 87.42 Proprietary | 1,258 12.58 100.00 ------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016