Source: Monitoring the Future
| Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among 10th Grade Students -- Lifetime (1991 - 2005) | |||
|---|---|---|---|
| Year | Amphetamine Use Rate (%) | Ratio vs Marijuana | Ratio vs Alcohol |
| 1991 | 13.2 | 0.56 | 0.16 |
| 1992 | 13.1 | 0.61 | 0.16 |
| 1993 | 14.9 | 0.61 | 0.21 |
| 1994 | 15.1 | 0.50 | 0.21 |
| 1995 | 17.4 | 0.51 | 0.25 |
| 1996 | 17.7 | 0.44 | 0.25 |
| 1997 | 17.0 | 0.40 | 0.24 |
| 1998 | 16.0 | 0.40 | 0.23 |
| 1999 | 15.7 | 0.38 | 0.22 |
| 2000 | 15.7 | 0.39 | 0.22 |
| 2001 | 16.0 | 0.40 | 0.23 |
| 2002 | 14.9 | 0.39 | 0.22 |
| 2003 | 13.1 | 0.36 | 0.20 |
| 2004 | 11.9 | 0.34 | 0.19 |
| 2005 | 11.1 | 0.33 | 0.18 |
| Averages: | 15.1 | 0.45 | 0.21 |
| truth: the Anti-drugwar | Anti-drugwar Arsenal | Accept the $1 Challenge |