Frequencies for first 10,000 rows of p012e004 variable in sf12010860us7 dataset : 5 to 9 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,030 90.30 90.30 1 | 645 6.45 96.75 2 | 187 1.87 98.62 3 | 66 0.66 99.28 4 | 34 0.34 99.62 5 | 17 0.17 99.79 6 | 9 0.09 99.88 7 | 5 0.05 99.93 9 | 1 0.01 99.94 12 | 1 0.01 99.95 13 | 2 0.02 99.97 15 | 1 0.01 99.98 16 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017