Frequencies for first 10,000 rows of p012c021 variable in sf12010860us7 dataset : 67 to 69 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,215 82.15 82.15 1 | 1,213 12.13 94.28 2 | 308 3.08 97.36 3 | 128 1.28 98.64 4 | 46 0.46 99.10 5 | 26 0.26 99.36 6 | 18 0.18 99.54 7 | 13 0.13 99.67 8 | 5 0.05 99.72 9 | 2 0.02 99.74 10 | 6 0.06 99.80 11 | 4 0.04 99.84 12 | 2 0.02 99.86 15 | 1 0.01 99.87 16 | 1 0.01 99.88 19 | 1 0.01 99.89 22 | 1 0.01 99.90 24 | 1 0.01 99.91 25 | 1 0.01 99.92 30 | 1 0.01 99.93 31 | 1 0.01 99.94 41 | 1 0.01 99.95 51 | 1 0.01 99.96 58 | 1 0.01 99.97 71 | 1 0.01 99.98 96 | 1 0.01 99.99 126 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017