Frequencies for first 10,000 rows of veh_no variable in vehicle dataset : VEHICLE # | Freq. Percent Cum. ------------+----------------------------------- 1 | 6,636 66.36 66.36 2 | 2,734 27.34 93.70 3 | 445 4.45 98.15 4 | 106 1.06 99.21 5 | 32 0.32 99.53 6 | 11 0.11 99.64 7 | 3 0.03 99.67 8 | 3 0.03 99.70 9 | 2 0.02 99.72 10 | 1 0.01 99.73 11 | 1 0.01 99.74 12 | 1 0.01 99.75 13 | 1 0.01 99.76 14 | 1 0.01 99.77 15 | 1 0.01 99.78 16 | 1 0.01 99.79 17 | 1 0.01 99.80 18 | 1 0.01 99.81 19 | 1 0.01 99.82 20 | 1 0.01 99.83 21 | 1 0.01 99.84 22 | 1 0.01 99.85 23 | 1 0.01 99.86 24 | 1 0.01 99.87 25 | 1 0.01 99.88 26 | 1 0.01 99.89 27 | 1 0.01 99.90 28 | 1 0.01 99.91 29 | 1 0.01 99.92 30 | 1 0.01 99.93 31 | 1 0.01 99.94 32 | 1 0.01 99.95 33 | 1 0.01 99.96 34 | 1 0.01 99.97 35 | 1 0.01 99.98 36 | 1 0.01 99.99 37 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016