Frequencies for first 10,000 rows of ownsmg variable in nhamcsopd2000 dataset : hospital ownership | Freq. Percent Cum. ------------------------+----------------------------------- Voluntary non-profit | 7,976 79.76 79.76 Government, non-Federal | 1,873 18.73 98.49 Proprietary | 151 1.51 100.00 ------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016