Frequencies for l_state variable in vehicle dataset :

    LICENSE |
      STATE |      Freq.     Percent        Cum.
------------+-----------------------------------
          6 |          1        0.14        0.14
          8 |          1        0.14        0.28
         12 |          4        0.56        0.84
         34 |          1        0.14        0.98
         36 |          2        0.28        1.26
         43 |        664       92.74       93.99
         99 |         40        5.59       99.58
          . |          3        0.42      100.00
------------+-----------------------------------
      Total |        716      100.00

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