Ratios of Other Narcotic Use to Marijuana Use by College Students

Source: Monitoring the Future

Ratios of Other Narcotic Use vs Marijuana Use Among College Students (1980 - 2004)
Year Lifetime Past Year Past Month
1980 0.14 0.10 0.053
1981 0.13 0.08 0.033
1982 0.13 0.09 0.034
1983 0.13 0.08 0.042
1984 0.15 0.09 0.061
1985 0.10 0.06 0.030
1986 0.15 0.10 0.027
1987 0.14 0.08 0.039
1988 0.12 0.09 0.048
1989 0.15 0.10 0.043
1990 0.14 0.10 0.036
1991 0.16 0.10 0.043
1992 0.17 0.10 0.068
1993 0.15 0.09 0.049
1994 0.12 0.08 0.026
1995 0.17 0.12 0.065
1996 0.13 0.09 0.040
1997 0.18 0.13 0.073
1998 0.17 0.12 0.059
1999 0.17 0.12 0.048
2000 0.17 0.13 0.085
2001 0.22 0.16 0.084
2002 0.25 0.21 0.162
2003 0.28 0.26 0.119
2004 0.28 0.25 0.159
Averages: 0.17 0.13 0.067

Navigate to Other Available Data

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