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

    Vehicle |
   Maneuver |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,104       61.04       61.04
          2 |        127        1.27       62.31
          3 |         67        0.67       62.98
          4 |        293        2.93       65.91
          5 |        292        2.92       68.83
          6 |         13        0.13       68.96
          7 |          2        0.02       68.98
          8 |          4        0.04       69.02
          9 |        216        2.16       71.18
         12 |         94        0.94       72.12
         13 |        603        6.03       78.15
         14 |         41        0.41       78.56
         15 |         40        0.40       78.96
         16 |        184        1.84       80.80
         17 |      1,870       18.70       99.50
         98 |         12        0.12       99.62
         99 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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