Frequencies for first 10,000 rows of pct012o045 variable in sf12000860us30 dataset : 42 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 7,198 71.98 71.98 1 | 1,308 13.08 85.06 2 | 570 5.70 90.76 3 | 285 2.85 93.61 4 | 161 1.61 95.22 5 | 115 1.15 96.37 6 | 91 0.91 97.28 7 | 66 0.66 97.94 8 | 28 0.28 98.22 9 | 29 0.29 98.51 10 | 27 0.27 98.78 11 | 21 0.21 98.99 12 | 15 0.15 99.14 13 | 7 0.07 99.21 14 | 8 0.08 99.29 15 | 8 0.08 99.37 16 | 7 0.07 99.44 17 | 7 0.07 99.51 18 | 9 0.09 99.60 19 | 3 0.03 99.63 20 | 3 0.03 99.66 21 | 6 0.06 99.72 22 | 2 0.02 99.74 23 | 2 0.02 99.76 24 | 1 0.01 99.77 25 | 1 0.01 99.78 27 | 1 0.01 99.79 28 | 3 0.03 99.82 29 | 2 0.02 99.84 30 | 1 0.01 99.85 31 | 2 0.02 99.87 32 | 3 0.03 99.90 33 | 1 0.01 99.91 34 | 1 0.01 99.92 36 | 1 0.01 99.93 38 | 1 0.01 99.94 40 | 1 0.01 99.95 41 | 1 0.01 99.96 42 | 1 0.01 99.97 47 | 1 0.01 99.98 48 | 1 0.01 99.99 77 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017