Frequencies for l_compl variable in vehicle dataset :

     DRIVER |
    LICENCE |
       TYPE |
 COMPLIANCE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         65       10.38       10.38
          2 |         21        3.35       13.74
          3 |        481       76.84       90.58
          9 |         58        9.27       99.84
          . |          1        0.16      100.00
------------+-----------------------------------
      Total |        626      100.00

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