Frequencies for producttype variable in enfrep20140312 dataset : Product | Type | Freq. Percent Cum. ------------+----------------------------------- Biologics | 22 14.47 14.47 Cosmetics | 2 1.32 15.79 Devices | 37 24.34 40.13 Drugs | 61 40.13 80.26 Food | 30 19.74 100.00 ------------+----------------------------------- Total | 152 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015