Source: Monitoring the Future
| Ratios of Inhalant Use vs Marijuana Use and Alcohol Use Among 12th Grade Students -- Lifetime (1975 - 2005) | |||
|---|---|---|---|
| Year | Inhalant Use Rate (%) | Ratio vs Marijuana | Ratio vs Alcohol |
| 1975 | -- | -- | -- |
| 1976 | 10.3 | 0.20 | 0.11 |
| 1977 | 11.1 | 0.20 | 0.12 |
| 1978 | 12.0 | 0.20 | 0.13 |
| 1979 | 12.7 | 0.21 | 0.14 |
| 1980 | 11.9 | 0.20 | 0.13 |
| 1981 | 12.3 | 0.21 | 0.13 |
| 1982 | 12.8 | 0.22 | 0.14 |
| 1983 | 13.6 | 0.24 | 0.15 |
| 1984 | 14.4 | 0.26 | 0.16 |
| 1985 | 15.4 | 0.28 | 0.17 |
| 1986 | 15.9 | 0.31 | 0.17 |
| 1987 | 17.0 | 0.34 | 0.18 |
| 1988 | 16.7 | 0.35 | 0.18 |
| 1989 | 17.6 | 0.40 | 0.19 |
| 1990 | 18.0 | 0.44 | 0.20 |
| 1991 | 17.6 | 0.48 | 0.20 |
| 1992 | 16.6 | 0.51 | 0.19 |
| 1993 | 17.4 | 0.49 | 0.22 |
| 1994 | 17.7 | 0.46 | 0.22 |
| 1995 | 17.4 | 0.42 | 0.22 |
| 1996 | 16.6 | 0.37 | 0.21 |
| 1997 | 16.1 | 0.32 | 0.20 |
| 1998 | 15.2 | 0.31 | 0.19 |
| 1999 | 15.4 | 0.31 | 0.19 |
| 2000 | 14.2 | 0.29 | 0.18 |
| 2001 | 13.0 | 0.27 | 0.16 |
| 2002 | 11.7 | 0.24 | 0.15 |
| 2003 | 11.2 | 0.24 | 0.15 |
| 2004 | 10.9 | 0.24 | 0.14 |
| 2005 | 11.4 | 0.25 | 0.15 |
| Averages: | 14.5 | 0.31 | 0.17 |
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