Ratios of Lifetime Inhalant Use vs Marijuana Use Among 8th, 10th and 12th Grade Students

Source: Monitoring the Future

Ratios of Inhalant to Marijuana Use -- Lifetime Use (1991 - 2005)
Year 12th Grade 10th Grade 8th Grade
1991 0.48 0.67 1.73
1992 0.51 0.78 1.55
1993 0.49 0.72 1.54
1994 0.46 0.59 1.19
1995 0.42 0.56 1.09
1996 0.37 0.48 0.92
1997 0.32 0.43 0.93
1998 0.31 0.46 0.92
1999 0.31 0.42 0.90
2000 0.29 0.41 0.88
2001 0.27 0.38 0.84
2002 0.24 0.35 0.79
2003 0.24 0.35 0.90
2004 0.24 0.35 1.06
2005 0.25 0.38 1.04
Averages: 0.35 0.50 1.09

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Past Year vs Marijuana Past Month vs Marijuana New Use vs Marijuana
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