Frequencies for first 10,000 rows of pct0120208 variable in sf12010860us17 dataset : 105 to 109 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,112 91.12 91.12 1 | 710 7.10 98.22 2 | 117 1.17 99.39 3 | 40 0.40 99.79 4 | 17 0.17 99.96 5 | 2 0.02 99.98 6 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017