Frequencies for avoid variable in vehnit dataset :

      CRASH |
  AVOIDANCE |
   MANEUVER |      Freq.     Percent        Cum.
------------+-----------------------------------
          8 |      1,328      100.00      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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