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

     DRIVER |
    LICENCE |
       TYPE |
 COMPLIANCE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        742        7.42        7.42
          1 |         30        0.30        7.72
          2 |      1,015       10.15       17.87
          3 |      7,732       77.32       95.19
          9 |        434        4.34       99.53
          . |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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