Frequencies for first 10,000 rows of a_cdl_s variable in veh_aux dataset :

 CDL Status |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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