Monitoring the Future -- Trends in Lifetime Inhalant Use
vs Alcohol Use by Adolescents (1991 - 2008)

Ratios of Inhalant Use to Alcohol Use Among High School Students -- Lifetime Use (1991 - 2008)
Year	12th Grade	10th Grade	8th Grade
1991	0.20	0.19	0.25
1992	0.19	0.20	0.25
1993	0.22	0.24	0.35
1994	0.23	0.25	0.36
1995	0.22	0.27	0.40
1996	0.22	0.27	0.38
1997	0.21	0.25	0.39
1998	0.20	0.26	0.39
1999	0.20	0.24	0.38
2000	0.18	0.23	0.35
2001	0.17	0.22	0.34
2002	0.16	0.20	0.32
2003	0.16	0.19	0.35
2004	0.15	0.19	0.39
2005	0.16	0.21	0.42
2006	0.16	0.22	0.40
2007	0.15	0.22	0.40
2008	0.14	0.22	0.40

Other Available Trend and Comparison Data
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