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

    license |
 compliance |
 with class |
 of vehicle |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        551        5.51        5.51
          1 |         24        0.24        5.75
          2 |        929        9.29       15.04
          3 |      8,086       80.86       95.90
          6 |         66        0.66       96.56
          9 |        344        3.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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