Frequencies for first 10,000 rows of pct012b093 variable in sf12010860us21 dataset : 90 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,577 85.77 85.77 1 | 758 7.58 93.35 2 | 290 2.90 96.25 3 | 119 1.19 97.44 4 | 79 0.79 98.23 5 | 46 0.46 98.69 6 | 32 0.32 99.01 7 | 26 0.26 99.27 8 | 16 0.16 99.43 9 | 12 0.12 99.55 10 | 11 0.11 99.66 11 | 8 0.08 99.74 12 | 3 0.03 99.77 13 | 4 0.04 99.81 14 | 2 0.02 99.83 15 | 3 0.03 99.86 16 | 5 0.05 99.91 17 | 2 0.02 99.93 18 | 1 0.01 99.94 19 | 1 0.01 99.95 20 | 2 0.02 99.97 25 | 1 0.01 99.98 26 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017