Frequencies for first 10,000 rows of PCT012A205 variable in sf12000860us16 dataset : 98 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,895 68.95 68.95 1 | 1,319 13.19 82.14 2 | 646 6.46 88.60 3 | 394 3.94 92.54 4 | 234 2.34 94.88 5 | 164 1.64 96.52 6 | 102 1.02 97.54 7 | 78 0.78 98.32 8 | 39 0.39 98.71 9 | 41 0.41 99.12 10 | 28 0.28 99.40 11 | 16 0.16 99.56 12 | 14 0.14 99.70 13 | 7 0.07 99.77 14 | 7 0.07 99.84 15 | 3 0.03 99.87 16 | 1 0.01 99.88 17 | 2 0.02 99.90 18 | 2 0.02 99.92 19 | 1 0.01 99.93 20 | 1 0.01 99.94 21 | 1 0.01 99.95 22 | 1 0.01 99.96 24 | 1 0.01 99.97 25 | 1 0.01 99.98 26 | 1 0.01 99.99 31 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017