Ratios of Cocaine Use to Marijuana Use by 10th Grade Students

Source: Monitoring the Future

Ratios of Cocaine Use vs Marijuana Use Among 10th Grade Students (1991 - 2005)
Year Lifetime Past Year Past Month
1991 0.18 0.13 0.08
1992 0.15 0.13 0.09
1993 0.15 0.11 0.08
1994 0.14 0.11 0.08
1995 0.15 0.12 0.10
1996 0.16 0.13 0.08
1997 0.17 0.14 0.10
1998 0.18 0.15 0.11
1999 0.19 0.15 0.09
2000 0.17 0.14 0.09
2001 0.14 0.11 0.07
2002 0.16 0.13 0.09
2003 0.14 0.12 0.08
2004 0.15 0.13 0.11
2005 0.15 0.13 0.10
Averages: 0.16 0.13 0.09

Navigate to Other Available Data

10th Grade Cocaine Use Overview Cocaine vs Alcohol Use Ratios Comparison Use Ratios vs Both Alcohol & Marijuana
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