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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,931       69.31       69.31
          2 |      2,630       26.30       95.61
          3 |        346        3.46       99.07
          4 |         58        0.58       99.65
          5 |         14        0.14       99.79
          6 |          5        0.05       99.84
          7 |          5        0.05       99.89
          8 |          2        0.02       99.91
          9 |          2        0.02       99.93
         10 |          1        0.01       99.94
         11 |          1        0.01       99.95
         12 |          1        0.01       99.96
         13 |          1        0.01       99.97
         14 |          1        0.01       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