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

    license |
 compliance |
 with class |
 of vehicle |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        554        5.54        5.54
          1 |         24        0.24        5.78
          2 |        932        9.32       15.10
          3 |      8,084       80.84       95.94
          6 |         69        0.69       96.63
          9 |        337        3.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016