Table 2. Percentage Prevalence of Annual Marijuana Use, by Age (1990 – 2005)

Year

Age

Age

Age

Age

Total

12-17

18-24

25-34

35+

1990
11.30%
24.60%
18.00%
3.60%
10.20%
1991
10.10%
24.50%
14.40%
4.00%
9.50%
1992
8.10%
22.70%
14.30%
3.30%
8.50%
1993
10.10%
22.90%
13.80%
4.00%
9.00%
1994
11.40%
21.80%
11.50%
4.10%
8.50%
1995
14.20%
21.80%
11.80%
3.40%
8.40%
1996
13.00%
23.80%
11.30%
3.80%
8.60%
1997
15.80%
22.30%
11.20%
4.40%
9.00%
1998
14.10%
24.10%
9.70%
4.10%
8.60%
1999
14.20%
24.30%
10.20%
4.00%
8.60%
2000
13.30%
23.70%
10.40%
3.80%
8.30%
2001
15.10%
26.70%
11.90%
4.10%
9.30%
2002
15.80%
29.70%
14.20%
5.40%
11.00%
2003
15.20%
28.70%
14.60%
5.20%
10.80%
2004
14.50%
28.50%
13.90%
5.40%
10.70%
2005
13.20%
28.30%
15.00%
5.10%
10.50%

Source: National Survey on Drug Use and Health; National Household Survey on Drug Abuse; Substance Abuse and Mental Health Services Administration (SAMHSA), Department of Health and Human Services.

 
 
  
 
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