Frequencies for first 10,000 rows of pct012g103 variable in sf12000860us22 dataset : 100 to 104 | years | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,931 99.31 99.31 1 | 60 0.60 99.91 2 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017