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

License/Cla |
 ss Vehicle |
 Compliance |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          7        0.07        0.07
          1 |      1,239       12.39       12.46
          2 |      5,218       52.18       64.64
          3 |        406        4.06       68.70
          4 |      2,474       24.74       93.44
          5 |         28        0.28       93.72
          9 |        628        6.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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