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Source: Monitoring the Future, Vol I (2009), Table 5-5b, pp. 202-204
| Trends in LSD Use Among High School Students -- Lifetime Use (1991 - 2008) | |||
|---|---|---|---|
| Year | 12th Grade | 10th Grade | 8th Grade |
| 1991 | 8.8 | 5.6 | 2.7 |
| 1992 | 8.6 | 5.8 | 3.2 |
| 1993 | 10.3 | 6.2 | 3.5 |
| 1994 | 10.5 | 7.2 | 3.7 |
| 1995 | 11.7 | 8.4 | 4.4 |
| 1996 | 12.6 | 9.4 | 5.1 |
| 1997 | 13.6 | 9.5 | 4.7 |
| 1998 | 12.6 | 8.5 | 4.1 |
| 1999 | 12.2 | 8.5 | 4.1 |
| 2000 | 11.1 | 7.6 | 3.9 |
| 2001 | 10.9 | 6.3 | 3.4 |
| 2002 | 8.4 | 5.0 | 2.5 |
| 2003 | 5.9 | 3.5 | 2.1 |
| 2004 | 4.6 | 2.8 | 1.8 |
| 2005 | 3.5 | 2.5 | 1.9 |
| 2006 | 3.3 | 2.7 | 1.6 |
| 2007 | 3.4 | 3.0 | 1.6 |
| 2008 | 4.0 | 2.6 | 1.9 |
Drug Use Trends for Each Demographic Group
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| 8th Grade Students | 10th Grade Students | 12th Grade Students |
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