Frequencies for first 10,000 rows of pct0020043 variable in sf12010860us15 dataset : Yuman | (M22-M33) & | (300, | A01-Z99) | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,923 99.23 99.23 1 | 59 0.59 99.82 2 | 13 0.13 99.95 3 | 1 0.01 99.96 4 | 2 0.02 99.98 5 | 1 0.01 99.99 6 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017