Frequencies for first 10,000 rows of veh_no variable in person dataset :

    vehicle |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,014       10.14       10.14
          1 |      6,007       60.07       70.21
          2 |      2,341       23.41       93.62
          3 |        482        4.82       98.44
          4 |        110        1.10       99.54
          5 |         23        0.23       99.77
          6 |         11        0.11       99.88
          7 |          6        0.06       99.94
          8 |          2        0.02       99.96
          9 |          2        0.02       99.98
         10 |          1        0.01       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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