Frequencies for first 10,000 rows of mcycl_ty variable in vehicle dataset :

   VIN Type |
 Motorcycle |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         67        0.67        0.67
         ** |      6,913       69.13       69.80
         99 |      2,319       23.19       92.99
         EN |          1        0.01       93.00
         MK |          5        0.05       93.05
         MM |          3        0.03       93.08
         MX |          2        0.02       93.10
         RS |        615        6.15       99.25
         RT |         70        0.70       99.95
         TL |          4        0.04       99.99
         TR |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016