Frequencies for first 10,000 rows of ownsmg variable in nhamcsopd1998 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   Voluntary non-profit |      8,167       81.67       81.67
Government, non-Federal |      1,833       18.33      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

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