Year |
1992 |
1993 |
1994 |
1996 |
1998 |
2000 |
2002 |
2004 |
2006 |
2008 |
2010 |
2012 |
|
N= 3,148 |
N= 4,102 |
N= 4,774 |
N= 2,521 |
N= 2,845 |
N= 3,130 |
N= 2,994 |
N= 3,398 |
N= 4,280 |
N= 3,779 |
N= 3,753 |
N= 3,165 |
Marijuana |
25.0 |
26.2 |
34.6 |
38.1 |
37.8 |
28.1 |
28.2 |
20.9 |
19.4 |
16.2 |
22.0 |
20.7 |
Crack |
3.2 |
4.8 |
5.4 |
7.6 |
6.5 |
3.1 |
3.6 |
2.6 |
2.3 |
1.9 |
2.2 |
2.0 |
Cocaine HCL |
3.4 |
4.4 |
5.2 |
7.3 |
6.9 |
3.5 |
4.0 |
3.0 |
2.9 |
2.1 |
2.2 |
2.3 |
Inhalants |
17.3 |
20.5 |
21.4 |
26.0 |
24.7 |
13.9 |
13.7 |
11.3 |
10.3 |
8.9 |
9.3 |
7.1 |
Steroids |
1.9 |
3.8 |
3.9 |
1.3 |
1.9 |
3.3 |
2.6 |
9.5 |
1.5 |
1.5 |
1.3 |
1.3 |
Nitrites |
2.5 |
4.8 |
5.3 |
6.3 |
5.2 |
- |
- |
- |
- |
- |
- |
- |
Nitrous Oxide |
- |
- |
- |
- |
- |
7.7 |
7.3 |
5.6 |
4.8 |
3.3 |
3.9 |
3.5 |
Hallucinogens |
5.7 |
7.7 |
9.6 |
15.3 |
13.0 |
12.3 |
7.9 |
5.5 |
4.6 |
3.8 |
4.8 |
4.6 |
Opiates |
2.6 |
5.0 |
5.4 |
5.8 |
6.2 |
8.0 |
7.8 |
7.9 |
7.4 |
6.7 |
8.8 |
6.3 |
Heroin |
- |
- |
- |
- |
- |
3.5 |
3.5 |
3.6 |
2.8 |
2.8 |
3.5 |
2.2 |
Tranquilizers |
6.5 |
8.4 |
8.5 |
10.5 |
10.7 |
13.1 |
11.9 |
9.7 |
9.3 |
8.0 |
10.3 |
7.6 |
Stimulants |
9.8 |
13.7 |
15.8 |
20.0 |
17.3 |
9.1 |
5.4 |
5.5 |
4.2 |
3.9 |
2.0 |
6.1 |
Methamphetamine |
- |
- |
- |
- |
- |
6.8 |
6.5 |
4.7 |
3.6 |
2.4 |
3.2 |
3.5 |
Non Rx Diet/SA Pills |
- |
- |
- |
- |
- |
21.0 |
19.6 |
13.8 |
11.5 |
8.6 |
8.5 |
7.1 |
PCP |
3.0 |
5.4 |
6.2 |
6.5 |
6.7 |
- |
- |
- |
- |
- |
- |
- |
Alcohol |
75.0 |
72.8 |
71.6 |
72.1 |
72.2 |
63.7 |
60.5 |
52.1 |
52.1 |
45.7 |
45.4 |
41.2 |
Cigarettes |
52.0 |
53.0 |
53.3 |
59.4 |
41.6 |
48.7 |
40.0 |
30.1 |
26.3 |
22.5 |
24.5 |
19.8 |
Smokeless Tobacco |
21.7 |
23.1 |
22.4 |
25.0 |
18.9 |
13.2 |
12.0 |
8.8 |
9.2 |
8.5 |
11.4 |
9.9 |
Ritalin |
- |
- |
- |
- |
- |
- |
6.0 |
5.3 |
4.7 |
3.2 |
3.9 |
2.8 |
Ecstasy |
- |
- |
- |
- |
- |
- |
5.9 |
3.8 |
2.6 |
2.1 |
3.1 |
3.2 |
*Lifetime use — Having used the drug in question at least once |
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