Frequencies for first 10,000 rows of veh_no variable in person dataset : Vehicle | Number | Freq. Percent Cum. ------------+----------------------------------- 0 | 781 7.81 7.81 1 | 6,234 62.34 70.15 2 | 2,601 26.01 96.16 3 | 314 3.14 99.30 4 | 49 0.49 99.79 5 | 17 0.17 99.96 6 | 3 0.03 99.99 7 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016