Frequencies for a_mc_l_s variable in veh_aux dataset : Motorcycle | License | Status | Freq. Percent Cum. ------------+----------------------------------- 1 | 21 2.71 2.71 2 | 7 0.90 3.61 4 | 748 96.39 100.00 ------------+----------------------------------- Total | 776 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016