Frequencies for first 10,000 rows of prov3365 variable in pos2006 dataset : srv: phys | ther-onsite | -residents | Freq. Percent Cum. ------------+----------------------------------- | 7,456 74.56 74.56 N | 249 2.49 77.05 Y | 2,295 22.95 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016