Frequencies for first 10,000 rows of pct013e036 variable in sf12010880us35 dataset : 30 to 34 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,150 91.50 91.50 1 | 581 5.81 97.31 2 | 154 1.54 98.85 3 | 69 0.69 99.54 4 | 20 0.20 99.74 5 | 13 0.13 99.87 6 | 4 0.04 99.91 7 | 2 0.02 99.93 8 | 3 0.03 99.96 9 | 3 0.03 99.99 11 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017