Frequencies for first 10,000 rows of prov5215 variable in pos1997 dataset : srv: ther | rec | spec-onsite | -resident | Freq. Percent Cum. ------------+----------------------------------- | 7,405 74.05 74.05 N | 2,097 20.97 95.02 Y | 498 4.98 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016