Frequencies for a_d16_20 variable in acc_aux dataset :

Involving a |
      Young |
     Driver |
      (Aged |
     16-20) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         89       17.05       17.05
          2 |        433       82.95      100.00
------------+-----------------------------------
      Total |        522      100.00

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