Frequencies for first 10,000 rows of veh_no variable in vehicle dataset : VEHICLE # | Freq. Percent Cum. ------------+----------------------------------- 1 | 6,649 66.49 66.49 2 | 2,658 26.58 93.07 3 | 461 4.61 97.68 4 | 105 1.05 98.73 5 | 37 0.37 99.10 6 | 13 0.13 99.23 7 | 5 0.05 99.28 8 | 4 0.04 99.32 9 | 4 0.04 99.36 10 | 4 0.04 99.40 11 | 4 0.04 99.44 12 | 3 0.03 99.47 13 | 2 0.02 99.49 14 | 2 0.02 99.51 15 | 2 0.02 99.53 16 | 2 0.02 99.55 17 | 2 0.02 99.57 18 | 2 0.02 99.59 19 | 2 0.02 99.61 20 | 1 0.01 99.62 21 | 1 0.01 99.63 22 | 1 0.01 99.64 23 | 1 0.01 99.65 24 | 1 0.01 99.66 25 | 1 0.01 99.67 26 | 1 0.01 99.68 27 | 1 0.01 99.69 28 | 1 0.01 99.70 29 | 1 0.01 99.71 30 | 1 0.01 99.72 31 | 1 0.01 99.73 32 | 1 0.01 99.74 33 | 1 0.01 99.75 34 | 1 0.01 99.76 35 | 1 0.01 99.77 36 | 1 0.01 99.78 37 | 1 0.01 99.79 38 | 1 0.01 99.80 39 | 1 0.01 99.81 40 | 1 0.01 99.82 41 | 1 0.01 99.83 42 | 1 0.01 99.84 43 | 1 0.01 99.85 44 | 1 0.01 99.86 45 | 1 0.01 99.87 46 | 1 0.01 99.88 47 | 1 0.01 99.89 48 | 1 0.01 99.90 49 | 1 0.01 99.91 50 | 1 0.01 99.92 51 | 1 0.01 99.93 52 | 1 0.01 99.94 53 | 1 0.01 99.95 54 | 1 0.01 99.96 55 | 1 0.01 99.97 56 | 1 0.01 99.98 57 | 1 0.01 99.99 58 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016