Frequencies for first 10,000 rows of pct012m062 variable in sf12010880us32 dataset : 59 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,911 99.11 99.11 1 | 88 0.88 99.99 2 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017