Frequencies for l_status variable in vehicle dataset :

    NON-CDL |
    LICENCE |
     STATUS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         95       13.27       13.27
          6 |        563       78.63       91.90
          7 |         13        1.82       93.72
          9 |         42        5.87       99.58
          . |          3        0.42      100.00
------------+-----------------------------------
      Total |        716      100.00

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