Frequencies for first 10,000 rows of cdl_stat variable in vehicle dataset :

   cdl_stat |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,372       83.72       83.72
          1 |         10        0.10       83.82
          2 |          4        0.04       83.86
          3 |          9        0.09       83.95
          4 |          1        0.01       83.96
          5 |          1        0.01       83.97
          6 |      1,021       10.21       94.18
          7 |          1        0.01       94.19
          8 |         67        0.67       94.86
          9 |        514        5.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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