Frequencies for l_compl variable in vehicle dataset :

     DRIVER |
    LICENCE |
       TYPE |
 COMPLIANCE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         57       10.48       10.48
          2 |         14        2.57       13.05
          3 |        436       80.15       93.20
          9 |         36        6.62       99.82
          . |          1        0.18      100.00
------------+-----------------------------------
      Total |        544      100.00

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