Frequencies for first 10,000 rows of prov3440 variable in pos2006 dataset : srv: | podiatry-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,456 74.56 74.56 N | 759 7.59 82.15 Y | 1,785 17.85 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016