Frequencies for ve_forms variable in vehicle dataset :

   ve_forms |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        240       50.85       50.85
          2 |        168       35.59       86.44
          3 |         42        8.90       95.34
          4 |         12        2.54       97.88
          5 |         10        2.12      100.00
------------+-----------------------------------
      Total |        472      100.00

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