Frequencies for first 10,000 rows of prov2490 variable in pos2002 dataset : srv: social | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,996 99.96 99.96 2 | 1 0.01 99.97 3 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016