Frequencies for first 10,000 rows of prov2415 variable in pos2006 dataset : srv: | psychiatric | Freq. Percent Cum. ------------+----------------------------------- | 8,710 87.10 87.10 0 | 790 7.90 95.00 1 | 362 3.62 98.62 2 | 82 0.82 99.44 3 | 56 0.56 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016