Frequencies for first 10,000 rows of axles variable in vehicle dataset : NUMBER OF | AXLES | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,166 91.66 91.66 2 | 103 1.03 92.69 3 | 97 0.97 93.66 4 | 27 0.27 93.93 5 | 321 3.21 97.14 6 | 14 0.14 97.28 98 | 240 2.40 99.68 99 | 32 0.32 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016