Frequencies for first 10,000 rows of pct012j103 variable in sf12000860us25 dataset : 100 to 104 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,632 96.32 96.32 1 | 280 2.80 99.12 2 | 57 0.57 99.69 3 | 17 0.17 99.86 4 | 5 0.05 99.91 5 | 4 0.04 99.95 6 | 4 0.04 99.99 9 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017