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

      drunk |
    drivers |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,147       71.47       71.47
          1 |      2,768       27.68       99.15
          2 |         83        0.83       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016