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|
Source: Monitoring the Future, Vol I (2009), Table 5-5a, pp. 202-204
| Ratios of Crack Use vs Alcohol and Marijuana Use Among 8th Grade Students -- Lifetime Use | ||
|---|---|---|
| Year | vs Alcohol | vs Marijuana |
| 1991 | 0.02 | 0.13 |
| 1992 | 0.02 | 0.14 |
| 1993 | 0.03 | 0.13 |
| 1994 | 0.04 | 0.14 |
| 1995 | 0.05 | 0.14 |
| 1996 | 0.05 | 0.13 |
| 1997 | 0.05 | 0.12 |
| 1998 | 0.06 | 0.14 |
| 1999 | 0.06 | 0.14 |
| 2000 | 0.06 | 0.15 |
| 2001 | 0.06 | 0.15 |
| 2002 | 0.05 | 0.13 |
| 2003 | 0.05 | 0.14 |
| 2004 | 0.05 | 0.15 |
| 2005 | 0.06 | 0.15 |
| 2006 | 0.06 | 0.15 |
| 2007 | 0.05 | 0.15 |
| 2008 | 0.05 | 0.14 |
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| Past Year Use Comparison | Past Month Use Comparison | Drug Use Trends vs Alcohol |
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| Drug Use Trends vs Marijuana | Overview of 8th Grade Drug Use | 10th Grade Crack Use Comparison |
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| 12th Grade Crack Use Comparison | Comparison Trends Across HS Students | Comparison Trends Across Young Adults |
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