Ratios of Past Year Amphetamine Use to Marijuana and Alcohol Use by Those Ages 19 to 28
Source: Monitoring the Future
Source: Monitoring the Future
| Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among Those Ages 19 to 28 -- Past Year (1986 - 2004) | |||
|---|---|---|---|
| Year | Amphetamine Use Rate (%) | Ratio vs Marijuana | Ratio vs Alcohol |
| 1986 | 10.6 | 0.29 | 0.12 |
| 1987 | 8.7 | 0.25 | 0.10 |
| 1988 | 7.3 | 0.23 | 0.08 |
| 1989 | 5.8 | 0.20 | 0.07 |
| 1990 | 5.2 | 0.20 | 0.06 |
| 1991 | 4.3 | 0.18 | 0.05 |
| 1992 | 4.1 | 0.16 | 0.05 |
| 1993 | 4.0 | 0.16 | 0.05 |
| 1994 | 4.5 | 0.18 | 0.05 |
| 1995 | 4.6 | 0.17 | 0.05 |
| 1996 | 4.2 | 0.16 | 0.05 |
| 1997 | 4.6 | 0.17 | 0.05 |
| 1998 | 4.5 | 0.16 | 0.05 |
| 1999 | 4.7 | 0.17 | 0.06 |
| 2000 | 5.4 | 0.19 | 0.06 |
| 2001 | 5.8 | 0.20 | 0.07 |
| 2002 | 5.9 | 0.20 | 0.07 |
| 2003 | 5.8 | 0.20 | 0.07 |
| 2004 | 6.2 | 0.21 | 0.07 |
| Averages: | 5.6 | 0.19 | 0.07 |
| Age 19 to 28 Amphetamine Use Overview | Lifetime Ratios of Use | Past Month Ratios of Use |
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| Use Ratios vs Alcohol | Use Ratios vs Marijuana | 8th Grade Use Ratios |
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| 10th Grade Use Ratios | 12th Grade Use Ratios | College Use Ratios |
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