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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        862        8.62        8.62
          1 |      6,455       64.55       73.17
          2 |      2,363       23.63       96.80
          3 |        258        2.58       99.38
          4 |         39        0.39       99.77
          5 |          8        0.08       99.85
          6 |          4        0.04       99.89
          7 |          4        0.04       99.93
          8 |          2        0.02       99.95
          9 |          1        0.01       99.96
         10 |          1        0.01       99.97
         11 |          1        0.01       99.98
         12 |          1        0.01       99.99
         13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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