Frequencies for first 10,000 rows of pct012m164 variable in sf12010880us32 dataset : 57 years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,908 99.08 99.08 1 | 84 0.84 99.92 2 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 May 2017