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

      DRUNK |
    DRIVERS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,682       66.82       66.82
          1 |      3,168       31.68       98.50
          2 |        147        1.47       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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