Frequencies for first 10,000 rows of p030e018 variable in sf12000860us9 dataset : Nonrelative | s | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,821 98.21 98.21 1 | 157 1.57 99.78 2 | 15 0.15 99.93 3 | 4 0.04 99.97 4 | 2 0.02 99.99 5 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017