Frequencies for first 10,000 rows of pct012j104 variable in sf12000860us25 dataset : 105 to 109 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,938 99.38 99.38 1 | 58 0.58 99.96 2 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017