Frequencies for first 10,000 rows of drugbenefittypedetail variable in planreport2012 dataset : Drug | Benefit | Type Detail | Freq. Percent Cum. ------------+----------------------------------- | 6,766 67.66 67.66 BA | 798 7.98 75.64 DS | 275 2.75 78.39 EA | 2,161 21.61 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016