Frequencies for first 10,000 rows of pct015d012 variable in sf12000860us33 dataset : Foster | child | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,838 98.38 98.38 1 | 122 1.22 99.60 2 | 27 0.27 99.87 3 | 9 0.09 99.96 4 | 2 0.02 99.98 5 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017