Frequencies for cdl_stat variable in vehicle dataset :

    COMM MV |
    LICENCE |
     STATUS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        431       91.31       91.31
          3 |          1        0.21       91.53
          6 |          1        0.21       91.74
          9 |         39        8.26      100.00
------------+-----------------------------------
      Total |        472      100.00

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