Frequencies for first 10,000 rows of pct012j208 variable in sf12010880us29 dataset : 105 to 109 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,869 98.69 98.69 1 | 111 1.11 99.80 2 | 16 0.16 99.96 3 | 2 0.02 99.98 4 | 1 0.01 99.99 6 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017