Frequencies for ve_forms variable in vehicle dataset :

    VEHICLE |
      FORMS |
  SUBMITTED |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        361       47.25       47.25
          2 |        322       42.15       89.40
          3 |         69        9.03       98.43
          4 |         12        1.57      100.00
------------+-----------------------------------
      Total |        764      100.00

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