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

      Drunk |
    Drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,534       55.34       55.34
          1 |      4,136       41.36       96.70
          2 |        321        3.21       99.91
          3 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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