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Monitoring the Future -- Trends in Tranquilizer Use
vs Marijuana Use Among 12th Grade Students


Comparison Trends in Drug Use by 12th Grade Students Lifetime Tranquilizer Use vs Alcohol and Marijuana (1975 - 2008) Trends in Past Year Tranquilizer Use vs Alcohol and Marijuana (1975 - 2008) Trends in Past Month Tranquilizer Use vs Alcohol and Marijuana (1975 - 2008)

Source: Monitoring the Future, Vol I (2009), Tables 5-1, 5-2, and 5-3, pp.191-199

Ratios of Tranquilizer Use vs Marijuana Use Among 12th Grade Students (1975 - 2008)
Year Lifetime Past Year Past Month
1975 0.36 0.27 0.15
1976 0.32 0.23 0.12
1977 0.32 0.23 0.13
1978 0.29 0.20 0.09
1979 0.27 0.19 0.10
1980 0.25 0.18 0.09
1981 0.25 0.17 0.09
1982 0.24 0.16 0.08
1983 0.23 0.16 0.09
1984 0.23 0.15 0.08
1985 0.22 0.15 0.08
1986 0.21 0.15 0.09
1987 0.22 0.15 0.10
1988 0.20 0.15 0.08
1989 0.17 0.13 0.08
1990 0.18 0.13 0.09
1991 0.20 0.15 0.10
1992 0.18 0.13 0.08
1993 0.18 0.13 0.08
1994 0.17 0.12 0.07
1995 0.17 0.13 0.08
1996 0.16 0.13 0.09
1997 0.16 0.12 0.08
1998 0.17 0.15 0.11
1999 0.19 0.15 0.11
2000 0.18 0.16 0.12
2001 0.21 0.19 0.13
2002 0.24 0.21 0.15
2003 0.22 0.19 0.13
2004 0.23 0.21 0.16
2005 0.22 0.20 0.15
2006 0.24 0.21 0.15
2007 0.23 0.20 0.14
2008 0.21 0.19 0.13
Average 0.22 0.17 0.11


Other Available Trend and Comparison Data
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Tranquilizer Use vs Alcohol -- 12th Grade Tranquilizer Use vs Marijuana -- College Tranquilizer Use vs Marijuana -- Age 19 to 28

Comparison Trends Overview by Demographic Group

12th Grade Students College Students 19 to 28 Year Olds


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