Frequencies for ve_forms variable in accident dataset :

    Vehicle |
      Forms |
  Submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        352       72.43       72.43
          2 |        116       23.87       96.30
          3 |         18        3.70      100.00
------------+-----------------------------------
      Total |        486      100.00

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