Frequencies for first 10,000 rows of p039e011 variable in sf12010880us13 dataset : Under 6 | years only | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,876 98.76 98.76 1 | 111 1.11 99.87 2 | 12 0.12 99.99 3 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017