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

    VEHICLE |
   MANEUVER |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,639       66.39       66.39
          2 |        114        1.14       67.53
          3 |         83        0.83       68.36
          4 |        289        2.89       71.25
          5 |        228        2.28       73.53
          6 |          4        0.04       73.57
          7 |          4        0.04       73.61
          8 |          4        0.04       73.65
          9 |        128        1.28       74.93
         10 |          3        0.03       74.96
         11 |          1        0.01       74.97
         12 |         69        0.69       75.66
         13 |        583        5.83       81.49
         14 |         39        0.39       81.88
         15 |         24        0.24       82.12
         16 |        198        1.98       84.10
         17 |      1,387       13.87       97.97
         98 |         43        0.43       98.40
         99 |        160        1.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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