Frequencies for first 10,000 rows of drunk_dr variable in accident dataset :

      Drunk |
    Drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,498       54.98       54.98
          1 |      4,163       41.63       96.61
          2 |        336        3.36       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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