Frequencies for first 10,000 rows of prov3430 variable in pos1998 dataset : srv: | dental-onsi | te-non | residents | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 2,543 25.43 99.65 Y | 35 0.35 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016