Frequencies for veh_cf1 variable in vehnit dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,239       97.41       97.41
          1 |          4        0.31       97.72
          4 |          1        0.08       97.80
         18 |          9        0.71       98.51
         33 |          1        0.08       98.58
         36 |          1        0.08       98.66
         41 |          3        0.24       98.90
         42 |          1        0.08       98.98
         99 |         13        1.02      100.00
------------+-----------------------------------
      Total |      1,272      100.00

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