Frequencies for drunk_dr variable in accident dataset :

      Drunk |
    Drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        322       66.26       66.26
          1 |        156       32.10       98.35
          2 |          8        1.65      100.00
------------+-----------------------------------
      Total |        486      100.00

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