Frequencies for first 10,000 rows of tobuse variable in natl2006 dataset : Tobacco Use | RFP | 667=f_tobac | U | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,534 15.34 15.34 2 | 8,420 84.20 99.54 9 | 46 0.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015