Frequencies for first 10,000 rows of pct015e006 variable in sf12000860us33 dataset : Foster | child | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,896 98.96 98.96 1 | 94 0.94 99.90 2 | 7 0.07 99.97 3 | 1 0.01 99.98 4 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017