Frequencies for l_status variable in vehnit dataset :

    NON-CDL |
    LICENCE |
     STATUS |      Freq.     Percent        Cum.
------------+-----------------------------------
          6 |          1        0.07        0.07
          9 |      1,480       99.93      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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