Frequencies for first 10,000 rows of ownsmg variable in nhamcsed1998 dataset : hospital ownership | Freq. Percent Cum. ------------------------+----------------------------------- Voluntary non-profit | 7,063 70.63 70.63 Government, non-Federal | 2,586 25.86 96.49 Proprietary | 351 3.51 100.00 ------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016