Frequencies for first 10,000 rows of pct012j090 variable in sf12010880us29 dataset : 87 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,723 87.23 87.23 1 | 613 6.13 93.36 2 | 234 2.34 95.70 3 | 122 1.22 96.92 4 | 65 0.65 97.57 5 | 48 0.48 98.05 6 | 21 0.21 98.26 7 | 33 0.33 98.59 8 | 9 0.09 98.68 9 | 25 0.25 98.93 10 | 14 0.14 99.07 11 | 17 0.17 99.24 12 | 12 0.12 99.36 13 | 6 0.06 99.42 14 | 9 0.09 99.51 15 | 5 0.05 99.56 16 | 7 0.07 99.63 17 | 3 0.03 99.66 18 | 3 0.03 99.69 19 | 1 0.01 99.70 20 | 2 0.02 99.72 21 | 2 0.02 99.74 22 | 4 0.04 99.78 23 | 1 0.01 99.79 25 | 5 0.05 99.84 26 | 1 0.01 99.85 27 | 3 0.03 99.88 30 | 2 0.02 99.90 31 | 2 0.02 99.92 32 | 1 0.01 99.93 33 | 1 0.01 99.94 34 | 1 0.01 99.95 39 | 2 0.02 99.97 40 | 1 0.01 99.98 41 | 1 0.01 99.99 47 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017