Frequencies for first 10,000 rows of pct012i098 variable in sf12010860us28 dataset : 95 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,678 66.78 66.78 1 | 1,556 15.56 82.34 2 | 687 6.87 89.21 3 | 356 3.56 92.77 4 | 277 2.77 95.54 5 | 146 1.46 97.00 6 | 103 1.03 98.03 7 | 54 0.54 98.57 8 | 52 0.52 99.09 9 | 24 0.24 99.33 10 | 17 0.17 99.50 11 | 9 0.09 99.59 12 | 10 0.10 99.69 13 | 10 0.10 99.79 14 | 3 0.03 99.82 15 | 5 0.05 99.87 17 | 4 0.04 99.91 18 | 3 0.03 99.94 21 | 2 0.02 99.96 22 | 1 0.01 99.97 27 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017