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Monitoring the Future -- Trends in Lifetime Crack Use
vs Marijuana Use by Adolescents (1991 - 2008)

Overview of adolescent drug use trend comparisons 12th Grade Drug Use Trend Comparisons 10th Grade Drug Use Trend Comparisons 8th Grade Drug Use Trend Comparisons Overview of adolescent drug use trend comparisons 12th Grade Drug Use Trend Comparisons 10th Grade Drug Use Trend Comparisons 8th Grade Drug Use Trend Comparisons

Source: Monitoring the Future, Vol I (2009), Table 5-5a, pp. 202-204

Ratios of Crack Use to Marijuana Use Among High School Students -- Lifetime Use (1991 - 2008)
Year 12th Grade 10th Grade 8th Grade
1991 0.08 0.07 0.13
1992 0.08 0.07 0.14
1993 0.07 0.07 0.13
1994 0.08 0.07 0.14
1995 0.07 0.08 0.14
1996 0.07 0.08 0.13
1997 0.08 0.09 0.12
1998 0.09 0.10 0.14
1999 0.09 0.10 0.14
2000 0.08 0.09 0.15
2001 0.08 0.08 0.15
2002 0.08 0.09 0.13
2003 0.08 0.07 0.14
2004 0.09 0.07 0.15
2005 0.08 0.07 0.15
2006 0.08 0.07 0.15
2007 0.08 0.07 0.15
2008 0.07 0.07 0.14

Other Available Trend and Comparison Data
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Ratios of Crack Use vs Marijuana Use Across High School Demographics
Past Year Crack Use vs Marijuana Past Month Crack Use vs Marijuana Comparisons Across Young Adult Demographics

Ratios of Crack Use vs Alcohol Use by Adolescents
Lifetime Crack Use vs Alcohol Past Year Crack Use vs Alcohol Past Month Crack Use vs Alcohol

Comparison Trends by Specific High School Demographics
8th Grade Students 10th Grade Students 12th Grade Students

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