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

    Vehicle |
   Maneuver |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,358       63.58       63.58
          2 |         74        0.74       64.32
          3 |         42        0.42       64.74
          4 |        316        3.16       67.90
          5 |        242        2.42       70.32
          6 |          9        0.09       70.41
          7 |          3        0.03       70.44
          9 |        233        2.33       72.77
         10 |          1        0.01       72.78
         11 |          1        0.01       72.79
         12 |         65        0.65       73.44
         13 |        532        5.32       78.76
         14 |         47        0.47       79.23
         15 |         37        0.37       79.60
         16 |        220        2.20       81.80
         17 |      1,756       17.56       99.36
         98 |         17        0.17       99.53
         99 |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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