Frequencies for first 10,000 rows of drink variable in natlterr1999 dataset : Average | Number of | Drinks Per | Week | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,989 99.89 99.89 2 | 5 0.05 99.94 4 | 1 0.01 99.95 5 | 1 0.01 99.96 6 | 1 0.01 99.97 18 | 1 0.01 99.98 99 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015