Frequencies for first 10,000 rows of birattnd variable in natlterr1998 dataset : Attendant | at birth | Freq. Percent Cum. ------------+----------------------------------- 1 | 9,985 99.85 99.85 5 | 6 0.06 99.91 9 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015