Frequencies for first 10,000 rows of PCT012B209 variable in sf12000860us17 dataset : 110 years | and over | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,921 99.21 99.21 1 | 76 0.76 99.97 2 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 Apr 2017