Frequencies for veh_cf2 variable in vehnit dataset :

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,365       97.99       97.99
         18 |          1        0.07       98.06
         99 |         27        1.94      100.00
------------+-----------------------------------
      Total |      1,393      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016