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

    NON-CDL |
    LICENCE |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        569        5.69        5.69
          1 |      8,827       88.27       93.96
          2 |        158        1.58       95.54
          7 |         24        0.24       95.78
          8 |          6        0.06       95.84
          9 |        375        3.75       99.59
          . |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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