Ratios of Past Year Amphetamine Use to Marijuana and Alcohol Use by 10th Grade Students

Source: Monitoring the Future

Ratios of Amphetamine Use vs Marijuana Use and Alcohol Use Among 10th Grade Students -- Past Year (1991 - 2005)
Year Amphetamine Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1991 8.2 0.50 0.11
1992 8.2 0.54 0.12
1993 9.6 0.50 0.15
1994 10.2 0.40 0.16
1995 11.9 0.41 0.19
1996 12.4 0.37 0.19
1997 12.1 0.35 0.19
1998 10.7 0.34 0.17
1999 10.4 0.32 0.16
2000 11.1 0.34 0.17
2001 11.7 0.36 0.18
2002 10.7 0.35 0.18
2003 9.0 0.32 0.15
2004 8.5 0.31 0.15
2005 7.8 0.29 0.14
Averages: 10.3 0.39 0.16

Navigate to Other Available Data

10th Grade Amphetamine Use Overview Lifetime Ratios of Use Past Month Ratios of Use
Use Ratios vs Alcohol Use Ratios vs Marijuana 8th Grade Use Ratios
12th Grade Use Ratios College Use Ratios Age 19 to 28 Use Ratios

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