Frequencies for first 10,000 rows of pct012m103 variable in sf12000860us28 dataset : 100 to 104 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,989 99.89 99.89 1 | 11 0.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017