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

    NON-CDL |
    LICENCE |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        609        6.09        6.09
          1 |      8,714       87.14       93.23
          2 |        179        1.79       95.02
          7 |         41        0.41       95.43
          8 |          5        0.05       95.48
          9 |        390        3.90       99.38
          . |         62        0.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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