Frequencies for first 10,000 rows of drugs variable in person dataset :

     Police |
   Reported |
       Drug |
Involvement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,067       20.67       20.67
          1 |        222        2.22       22.89
          8 |      5,841       58.41       81.30
          9 |      1,870       18.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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