Source: Monitoring the Future
| Ratios of Inhalant Use vs Marijuana Use and Alcohol Use Among 12th Grade Students -- Past Month (1975 - 2005) | |||
|---|---|---|---|
| Year | Inhalant Use Rate (%) | Ratio vs Marijuana | Ratio vs Alcohol |
| 1975 | -- | -- | -- |
| 1976 | 0.9 | 0.03 | 0.01 |
| 1977 | 1.3 | 0.04 | 0.02 |
| 1978 | 1.5 | 0.04 | 0.02 |
| 1979 | 1.7 | 0.05 | 0.02 |
| 1980 | 1.4 | 0.04 | 0.019 |
| 1981 | 1.5 | 0.05 | 0.021 |
| 1982 | 1.5 | 0.05 | 0.022 |
| 1983 | 1.7 | 0.06 | 0.024 |
| 1984 | 1.9 | 0.08 | 0.028 |
| 1985 | 2.2 | 0.09 | 0.033 |
| 1986 | 2.5 | 0.11 | 0.038 |
| 1987 | 2.8 | 0.13 | 0.042 |
| 1988 | 2.6 | 0.14 | 0.041 |
| 1989 | 2.3 | 0.14 | 0.038 |
| 1990 | 2.7 | 0.19 | 0.047 |
| 1991 | 2.4 | 0.17 | 0.044 |
| 1992 | 2.3 | 0.19 | 0.045 |
| 1993 | 2.5 | 0.16 | 0.051 |
| 1994 | 2.7 | 0.14 | 0.054 |
| 1995 | 3.2 | 0.15 | 0.062 |
| 1996 | 2.5 | 0.11 | 0.049 |
| 1997 | 2.5 | 0.11 | 0.047 |
| 1998 | 2.3 | 0.10 | 0.044 |
| 1999 | 2.0 | 0.09 | 0.039 |
| 2000 | 2.2 | 0.10 | 0.044 |
| 2001 | 1.7 | 0.08 | 0.034 |
| 2002 | 1.5 | 0.07 | 0.031 |
| 2003 | 1.5 | 0.07 | 0.032 |
| 2004 | 1.5 | 0.08 | 0.031 |
| 2005 | 2.0 | 0.10 | 0.04 |
| Averages: | 2.0 | 0.10 | 0.04 |
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