Frequencies for first 10,000 rows of a_lic_s variable in veh_aux dataset :

    License |
     Status |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,430       74.30       74.30
          2 |      1,555       15.55       89.85
          3 |        466        4.66       94.51
          4 |        549        5.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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