Frequencies for first 10,000 rows of p030c010 variable in sf12000860us9 dataset : Nonrelative | s | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,762 97.62 97.62 1 | 198 1.98 99.60 2 | 22 0.22 99.82 3 | 8 0.08 99.90 4 | 7 0.07 99.97 5 | 2 0.02 99.99 6 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017