Frequencies for ve_forms variable in vehicle dataset :

    VEHICLE |
      FORMS |
  SUBMITTED |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        323       51.60       51.60
          2 |        252       40.26       91.85
          3 |         42        6.71       98.56
          4 |          4        0.64       99.20
          5 |          5        0.80      100.00
------------+-----------------------------------
      Total |        626      100.00

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