Frequencies for first 10,000 rows of pct012e110 variable in sf12010880us24 dataset : 3 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,772 97.72 97.72 1 | 206 2.06 99.78 2 | 20 0.20 99.98 3 | 1 0.01 99.99 4 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017