Frequencies for first 10,000 rows of attend variable in natlterr2009 dataset : Attendant | U;R | Freq. Percent Cum. ------------+----------------------------------- 1 | 9,103 91.03 91.03 2 | 19 0.19 91.22 3 | 828 8.28 99.50 4 | 2 0.02 99.52 5 | 12 0.12 99.64 9 | 36 0.36 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015