Frequencies for veh_no variable in person dataset :

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        256       19.36       19.36
          1 |        748       56.58       75.95
          2 |        276       20.88       96.82
          3 |         36        2.72       99.55
          4 |          1        0.08       99.62
          5 |          5        0.38      100.00
------------+-----------------------------------
      Total |      1,322      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016