Frequencies for first 10,000 rows of pct012l073 variable in sf12000860us27 dataset : 70 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,540 85.40 85.40 1 | 713 7.13 92.53 2 | 269 2.69 95.22 3 | 147 1.47 96.69 4 | 83 0.83 97.52 5 | 58 0.58 98.10 6 | 36 0.36 98.46 7 | 35 0.35 98.81 8 | 18 0.18 98.99 9 | 16 0.16 99.15 10 | 7 0.07 99.22 11 | 9 0.09 99.31 12 | 6 0.06 99.37 13 | 8 0.08 99.45 14 | 9 0.09 99.54 15 | 5 0.05 99.59 16 | 2 0.02 99.61 17 | 2 0.02 99.63 18 | 4 0.04 99.67 19 | 6 0.06 99.73 20 | 1 0.01 99.74 21 | 3 0.03 99.77 22 | 2 0.02 99.79 23 | 1 0.01 99.80 24 | 3 0.03 99.83 25 | 1 0.01 99.84 26 | 1 0.01 99.85 27 | 1 0.01 99.86 28 | 1 0.01 99.87 29 | 1 0.01 99.88 30 | 2 0.02 99.90 32 | 1 0.01 99.91 33 | 1 0.01 99.92 36 | 1 0.01 99.93 47 | 1 0.01 99.94 71 | 1 0.01 99.95 74 | 1 0.01 99.96 76 | 1 0.01 99.97 97 | 1 0.01 99.98 130 | 1 0.01 99.99 161 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2017