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| LSD Use Within Cohort -- High School Senior Classes of 1995 through 2008 | ||
|---|---|---|
| Lifetime | Past Year | Past Month |
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Source: Monitoring the Future, 2009, Tables 5-5a, 5-5b and 5-5c, pp.202-13
| Trends in LSD Use Within HS Senior Cohorts -- Classes of 1995 through 2008 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lifetime | Past Year | Past Month | |||||||
| Class of: | 8th Grade | 10th Grade | 12th Grade | 8th Grade | 10th Grade | 12th Grade | 8th Grade | 10th Grade | 12th Grade |
| 1995 | 2.7 | 6.2 | 11.7 | 1.7 | 4.2 | 8.4 | 0.6 | 1.6 | 4.0 |
| 1996 | 3.2 | 7.2 | 12.6 | 2.1 | 5.2 | 8.8 | 0.9 | 2.0 | 2.5 |
| 1997 | 3.5 | 8.4 | 13.6 | 2.3 | 6.5 | 8.4 | 1.0 | 3.0 | 3.1 |
| 1998 | 3.7 | 9.4 | 12.6 | 2.4 | 6.9 | 7.6 | 1.1 | 2.4 | 3.2 |
| 1999 | 4.4 | 9.5 | 12.2 | 3.2 | 6.7 | 8.1 | 1.4 | 2.8 | 2.7 |
| 2000 | 5.1 | 8.5 | 11.1 | 3.5 | 5.9 | 6.6 | 1.5 | 2.7 | 1.6 |
| 2001 | 4.7 | 8.5 | 10.9 | 3.2 | 6.0 | 6.6 | 1.5 | 2.3 | 2.3 |
| 2002 | 4.1 | 7.6 | 8.4 | 2.8 | 5.1 | 3.5 | 1.1 | 1.6 | 0.7 |
| 2003 | 4.1 | 6.3 | 5.9 | 2.4 | 4.1 | 1.9 | 1.1 | 1.5 | 0.6 |
| 2004 | 3.9 | 5.0 | 4.6 | 2.4 | 2.6 | 2.2 | 1.0 | 0.7 | 0.7 |
| 2005 | 3.4 | 3.5 | 3.5 | 2.2 | 1.7 | 1.8 | 1.0 | 0.6 | 0.7 |
| 2006 | 2.5 | 2.8 | 3.3 | 1.5 | 1.6 | 1.7 | 0.7 | 0.6 | 0.6 |
| 2007 | 2.1 | 2.5 | 3.4 | 1.3 | 1.5 | 2.1 | 0.6 | 0.6 | 0.6 |
| 2008 | 1.8 | 2.7 | 4.0 | 1.1 | 1.7 | 2.7 | 0.5 | 0.7 | 1.1 |