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

    VEHICLE |
   MANEUVER |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,760       67.60       67.60
          2 |        105        1.05       68.65
          3 |         77        0.77       69.42
          4 |        368        3.68       73.10
          5 |        225        2.25       75.35
          6 |          6        0.06       75.41
          9 |        180        1.80       77.21
         10 |         12        0.12       77.33
         11 |          1        0.01       77.34
         12 |         63        0.63       77.97
         13 |        541        5.41       83.38
         14 |         43        0.43       83.81
         15 |         23        0.23       84.04
         16 |        189        1.89       85.93
         17 |      1,251       12.51       98.44
         98 |         40        0.40       98.84
         99 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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