Frequencies for first 10,000 rows of prov2120 variable in pos1995 dataset : srv: dental | Freq. Percent Cum. ------------+----------------------------------- | 8,933 89.33 89.33 0 | 759 7.59 96.92 1 | 131 1.31 98.23 2 | 161 1.61 99.84 3 | 16 0.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016