Ratios of Past Month Other Narcotic Use to Marijuana and Alcohol Use by 12th Grade Students

Source: Monitoring the Future

Ratios of Other Narcotic Use vs Marijuana Use and Alcohol Use Among 12th Grade Students -- Past Month (1975 - 2005)
Year Other Narcotic Use Rate (%) Ratio vs Marijuana Ratio vs Alcohol
1975 2.1 0.08 0.03
1976 2.0 0.06 0.03
1977 2.8 0.08 0.04
1978 2.1 0.06 0.03
1979 2.4 0.07 0.03
1980 2.4 0.07 0.03
1981 2.1 0.07 0.03
1982 1.8 0.06 0.03
1983 1.8 0.07 0.03
1984 1.8 0.07 0.03
1985 2.3 0.09 0.03
1986 2.0 0.09 0.03
1987 1.8 0.09 0.03
1988 1.6 0.09 0.03
1989 1.6 0.10 0.03
1990 1.5 0.11 0.03
1991 1.1 0.08 0.02
1992 1.2 0.10 0.02
1993 1.3 0.08 0.03
1994 1.5 0.08 0.03
1995 1.8 0.08 0.04
1996 2.0 0.09 0.04
1997 2.3 0.10 0.04
1998 2.4 0.11 0.05
1999 2.6 0.11 0.05
2000 2.9 0.13 0.06
2001 3.0 0.13 0.06
2002 4.0 0.19 0.08
2003 4.1 0.19 0.09
2004 4.3 0.22 0.09
2005 3.9 0.20 0.08
Averages: 2.3 0.10 0.04

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Past Year Ratios of Use Past Month Ratios of Use Use Ratios vs Alcohol
Use Ratios vs Marijuana 12th Grade Other Narcotic Use Comparisons Across Demographics

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