Frequencies for first 10,000 rows of pct012l177 variable in sf12000860us27 dataset : 70 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,254 82.54 82.54 1 | 841 8.41 90.95 2 | 323 3.23 94.18 3 | 161 1.61 95.79 4 | 90 0.90 96.69 5 | 72 0.72 97.41 6 | 55 0.55 97.96 7 | 37 0.37 98.33 8 | 33 0.33 98.66 9 | 15 0.15 98.81 10 | 17 0.17 98.98 11 | 15 0.15 99.13 12 | 18 0.18 99.31 13 | 4 0.04 99.35 14 | 8 0.08 99.43 15 | 7 0.07 99.50 16 | 6 0.06 99.56 17 | 2 0.02 99.58 18 | 4 0.04 99.62 19 | 3 0.03 99.65 20 | 4 0.04 99.69 21 | 3 0.03 99.72 22 | 1 0.01 99.73 23 | 2 0.02 99.75 24 | 1 0.01 99.76 25 | 3 0.03 99.79 26 | 2 0.02 99.81 27 | 2 0.02 99.83 28 | 1 0.01 99.84 30 | 2 0.02 99.86 33 | 1 0.01 99.87 34 | 1 0.01 99.88 36 | 1 0.01 99.89 37 | 1 0.01 99.90 39 | 1 0.01 99.91 43 | 1 0.01 99.92 44 | 1 0.01 99.93 49 | 1 0.01 99.94 61 | 1 0.01 99.95 77 | 1 0.01 99.96 90 | 1 0.01 99.97 119 | 1 0.01 99.98 131 | 1 0.01 99.99 178 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2017