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

     DRIVER |
    LICENCE |
       TYPE |
 COMPLIANCE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        656        6.56        6.56
          1 |         18        0.18        6.74
          2 |      1,076       10.76       17.50
          3 |      7,751       77.51       95.01
          8 |         12        0.12       95.13
          9 |        414        4.14       99.27
          . |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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