Frequencies for avoid variable in vehicle dataset :

      CRASH |
  AVOIDANCE |
   MANUEVER |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        627       99.68       99.68
          2 |          1        0.16       99.84
          6 |          1        0.16      100.00
------------+-----------------------------------
      Total |        629      100.00

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