Frequencies for first 10,000 rows of prov2120 variable in pos2006 dataset : srv: dental | Freq. Percent Cum. ------------+----------------------------------- | 8,710 87.10 87.10 0 | 986 9.86 96.96 1 | 128 1.28 98.24 2 | 161 1.61 99.85 3 | 15 0.15 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016