Frequencies for first 10,000 rows of pct012o085 variable in sf12010860us34 dataset : 82 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,422 94.22 94.22 1 | 495 4.95 99.17 2 | 69 0.69 99.86 3 | 8 0.08 99.94 4 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017