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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        852        8.52        8.52
          1 |      6,284       62.84       71.36
          2 |      2,458       24.58       95.94
          3 |        330        3.30       99.24
          4 |         35        0.35       99.59
          5 |         11        0.11       99.70
          6 |          6        0.06       99.76
          7 |          9        0.09       99.85
          8 |          2        0.02       99.87
          9 |          3        0.03       99.90
         10 |          1        0.01       99.91
         11 |          3        0.03       99.94
         12 |          1        0.01       99.95
         13 |          1        0.01       99.96
         14 |          2        0.02       99.98
         15 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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