|
Source: Monitoring the Future, Vol I (2009), Tables 5-5a, 5-5b and 5-5c, pp. 202-13
| Ratios of Marijuana Use vs Alcohol Use Among 10th Grade Students (1991 - 2008) | |||
|---|---|---|---|
| Year | Lifetime | Past Year | Past Month |
| 1991 | 0.28 | 0.23 | 0.20 |
| 1992 | 0.26 | 0.22 | 0.20 |
| 1993 | 0.34 | 0.30 | 0.29 |
| 1994 | 0.43 | 0.39 | 0.40 |
| 1995 | 0.48 | 0.45 | 0.44 |
| 1996 | 0.55 | 0.52 | 0.50 |
| 1997 | 0.59 | 0.53 | 0.51 |
| 1998 | 0.57 | 0.50 | 0.48 |
| 1999 | 0.58 | 0.50 | 0.49 |
| 2000 | 0.56 | 0.49 | 0.48 |
| 2001 | 0.57 | 0.51 | 0.51 |
| 2002 | 0.58 | 0.51 | 0.50 |
| 2003 | 0.55 | 0.48 | 0.48 |
| 2004 | 0.55 | 0.47 | 0.45 |
| 2005 | 0.54 | 0.47 | 0.46 |
| 2006 | 0.52 | 0.45 | 0.42 |
| 2007 | 0.50 | 0.44 | 0.43 |
| 2008 | 0.51 | 0.46 | 0.48 |
Other Available Trend and Comparison Data
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