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

      CRASH |
  AVOIDANCE |
   MANUEVER |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,146       21.46       21.46
          1 |        922        9.22       30.68
          2 |        160        1.60       32.28
          3 |         68        0.68       32.96
          4 |      1,008       10.08       43.04
          5 |        477        4.77       47.81
          6 |         70        0.70       48.51
          8 |      5,149       51.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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