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

     DRIVER |
    LICENCE |
       TYPE |
 COMPLIANCE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        551        5.51        5.51
          1 |         17        0.17        5.68
          2 |        924        9.24       14.92
          3 |      8,051       80.51       95.43
          8 |         10        0.10       95.53
          9 |        395        3.95       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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