Frequencies for first 10,000 rows of prov3435 variable in pos1997 dataset : srv: | dental-offs | ite-residen | ts | Freq. Percent Cum. ------------+----------------------------------- | 7,410 74.10 74.10 N | 1,844 18.44 92.54 Y | 746 7.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016