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

      Drunk |
    Drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,516       55.16       55.16
          1 |      4,145       41.45       96.61
          2 |        331        3.31       99.92
          3 |          6        0.06       99.98
          4 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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