Frequencies for first 10,000 rows of pct012n048 variable in sf12010860us33 dataset : 45 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,135 91.35 91.35 1 | 562 5.62 96.97 2 | 152 1.52 98.49 3 | 62 0.62 99.11 4 | 21 0.21 99.32 5 | 16 0.16 99.48 6 | 11 0.11 99.59 7 | 9 0.09 99.68 8 | 5 0.05 99.73 9 | 3 0.03 99.76 10 | 3 0.03 99.79 11 | 2 0.02 99.81 12 | 1 0.01 99.82 13 | 3 0.03 99.85 14 | 5 0.05 99.90 15 | 2 0.02 99.92 16 | 1 0.01 99.93 19 | 1 0.01 99.94 20 | 1 0.01 99.95 27 | 1 0.01 99.96 37 | 1 0.01 99.97 44 | 1 0.01 99.98 48 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017