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

      Drunk |
    Drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,111       71.11       71.11
          1 |      2,810       28.10       99.21
          2 |         74        0.74       99.95
          3 |          4        0.04       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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