Region 4
Adult Primary Drug of Abuse
Source:
IDHW Client Information System
Alcohol
Methamphetamines
Marijuana
Cocaine
Heroin
2002
528
220
98
6
22
2005
196
208
66
6
8
2006
319
419
129
11
20
2007
340
686
216
16
15
2008
238
611
155
26
27