Frequencies for first 10,000 rows of p031e014 variable in sf12010860us11 dataset : In group | quarters: | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,954 99.54 99.54 1 | 35 0.35 99.89 2 | 3 0.03 99.92 3 | 4 0.04 99.96 5 | 1 0.01 99.97 6 | 1 0.01 99.98 7 | 1 0.01 99.99 10 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017