
Magnified View of Graphic
Source: Monitoring the Future
| Ratios of LSD to Alcohol Use -- Past Month Use (1991 - 2005) | |||
|---|---|---|---|
| Year | 12th Grade | 10th Grade | 8th Grade |
| 1991 | 0.04 | 0.04 | 0.02 |
| 1992 | 0.04 | 0.04 | 0.03 |
| 1993 | 0.05 | 0.04 | 0.04 |
| 1994 | 0.05 | 0.05 | 0.04 |
| 1995 | 0.08 | 0.08 | 0.06 |
| 1996 | 0.05 | 0.06 | 0.06 |
| 1997 | 0.06 | 0.07 | 0.06 |
| 1998 | 0.06 | 0.07 | 0.05 |
| 1999 | 0.05 | 0.06 | 0.05 |
| 2000 | 0.03 | 0.04 | 0.04 |
| 2001 | 0.05 | 0.04 | 0.05 |
| 2002 | 0.01 | 0.02 | 0.04 |
| 2003 | 0.01 | 0.02 | 0.03 |
| 2004 | 0.01 | 0.02 | 0.03 |
| 2005 | 0.01 | 0.02 | 0.03 |
| Averages: | 0.04 | 0.05 | 0.04 |
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