Frequencies for drinking variable in person dataset :

     Police |
   Reported |
    Alcohol |
Involvement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        136        9.46        9.46
          1 |        137        9.53       18.98
          8 |      1,157       80.46       99.44
          9 |          8        0.56      100.00
------------+-----------------------------------
      Total |      1,438      100.00

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