Frequencies for first 10,000 rows of veh_sc2 variable in vehicle dataset :

    vehicle |
    related |
factors (2) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,955       99.55       99.55
         35 |          1        0.01       99.56
         99 |         44        0.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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