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

      DRUNK |
    DRIVERS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,388       63.88       63.88
          1 |      3,115       31.15       95.03
          2 |        431        4.31       99.34
          3 |         52        0.52       99.86
          4 |          9        0.09       99.95
          5 |          4        0.04       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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