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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        865        8.65        8.65
          1 |      6,324       63.24       71.89
          2 |      2,470       24.70       96.59
          3 |        274        2.74       99.33
          4 |         47        0.47       99.80
          5 |         10        0.10       99.90
          6 |          1        0.01       99.91
          7 |          1        0.01       99.92
          8 |          1        0.01       99.93
          9 |          3        0.03       99.96
         10 |          1        0.01       99.97
         11 |          2        0.02       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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