Frequencies for first 10,000 rows of prov3295 variable in pos1996 dataset : srv: phys | extender-on | site-non | res | Freq. Percent Cum. ------------+----------------------------------- | 7,254 72.54 72.54 N | 2,734 27.34 99.88 Y | 12 0.12 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017