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

     Police |
   Reported |
       Drug |
Involvement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,786       17.86       17.86
          1 |        272        2.72       20.58
          8 |      6,278       62.78       83.36
          9 |      1,664       16.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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