Frequencies for first 10,000 rows of pct012o023 variable in sf12000860us30 dataset : 20 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 7,115 71.15 71.15 1 | 1,215 12.15 83.30 2 | 517 5.17 88.47 3 | 305 3.05 91.52 4 | 193 1.93 93.45 5 | 137 1.37 94.82 6 | 97 0.97 95.79 7 | 76 0.76 96.55 8 | 69 0.69 97.24 9 | 52 0.52 97.76 10 | 39 0.39 98.15 11 | 19 0.19 98.34 12 | 26 0.26 98.60 13 | 20 0.20 98.80 14 | 11 0.11 98.91 15 | 12 0.12 99.03 16 | 7 0.07 99.10 17 | 13 0.13 99.23 18 | 8 0.08 99.31 19 | 8 0.08 99.39 20 | 9 0.09 99.48 21 | 5 0.05 99.53 22 | 4 0.04 99.57 23 | 4 0.04 99.61 24 | 6 0.06 99.67 25 | 6 0.06 99.73 26 | 3 0.03 99.76 28 | 1 0.01 99.77 29 | 3 0.03 99.80 31 | 1 0.01 99.81 32 | 1 0.01 99.82 33 | 2 0.02 99.84 34 | 4 0.04 99.88 35 | 2 0.02 99.90 37 | 1 0.01 99.91 42 | 1 0.01 99.92 44 | 2 0.02 99.94 49 | 1 0.01 99.95 50 | 1 0.01 99.96 51 | 2 0.02 99.98 54 | 1 0.01 99.99 72 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017