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

      DRUNK |
    DRIVERS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,899       68.99       68.99
          1 |      3,014       30.14       99.13
          2 |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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