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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        870        8.70        8.70
          1 |      6,177       61.77       70.47
          2 |      2,436       24.36       94.83
          3 |        354        3.54       98.37
          4 |         92        0.92       99.29
          5 |         38        0.38       99.67
          6 |          9        0.09       99.76
          7 |          6        0.06       99.82
          8 |          5        0.05       99.87
          9 |          2        0.02       99.89
         10 |          2        0.02       99.91
         11 |          2        0.02       99.93
         12 |          3        0.03       99.96
         13 |          1        0.01       99.97
         14 |          2        0.02       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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