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

      Drunk |
    Drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,294       52.94       52.94
          1 |      4,322       43.22       96.16
          2 |        371        3.71       99.87
          3 |         11        0.11       99.98
          4 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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