Frequencies for first 10,000 rows of uop_other variable in natlterr2003 dataset : Other | Obstetric | Procedures | U | Freq. Percent Cum. ------------+----------------------------------- 1 | 21 0.21 0.21 2 | 9,956 99.56 99.77 8 | 23 0.23 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015