Frequencies for a_body variable in veh_aux dataset : Vehicle | Body Type | Freq. Percent Cum. ------------+----------------------------------- 1 | 497 64.05 64.05 2 | 59 7.60 71.65 3 | 60 7.73 79.38 4 | 38 4.90 84.28 6 | 45 5.80 90.08 7 | 28 3.61 93.69 8 | 4 0.52 94.20 9 | 45 5.80 100.00 ------------+----------------------------------- Total | 776 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016