Frequencies for first 10,000 rows of prov3355 variable in pos2006 dataset : srv: occup | ther-onsite | -non resid | Freq. Percent Cum. ------------+----------------------------------- | 7,456 74.56 74.56 N | 2,423 24.23 98.79 Y | 121 1.21 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016