Ratios of Lifetime Cocaine Use vs Alcohol Use Among 8th, 10th and 12th Grade Students

Source: Monitoring the Future

Ratios of Cocaine to Alcohol Use -- Lifetime Use (1991 - 2005)
Year 12th Grade 10th Grade 8th Grade
1991 0.09 0.05 0.03
1992 0.07 0.04 0.04
1993 0.08 0.05 0.05
1994 0.07 0.06 0.06
1995 0.07 0.07 0.08
1996 0.09 0.09 0.08
1997 0.11 0.10 0.08
1998 0.11 0.10 0.09
1999 0.12 0.11 0.09
2000 0.11 0.10 0.09
2001 0.10 0.08 0.09
2002 0.10 0.09 0.08
2003 0.10 0.08 0.08
2004 0.11 0.08 0.08
2005 0.11 0.08 0.09
Averages: 0.10 0.08 0.07

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Past Year vs Alcohol Past Month vs Alcohol New Use vs Alcohol
Use Ratios Among Age 19 to 28 Use Ratios Among College Students Use Ratios Among 12th Grade Students
Other Drugs vs Alcohol Use Ratios Cocaine vs Marijuana Use Ratios Youth Drug Use Overview

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