Frequencies for first 10,000 rows of prov3440 variable in pos2004 dataset : srv: | podiatry-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,489 74.89 74.89 N | 689 6.89 81.78 Y | 1,822 18.22 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016