
Scaled 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 | 0.035 | 0.035 | 0.024 |
| 1992 | 0.039 | 0.040 | 0.034 |
| 1993 | 0.049 | 0.042 | 0.041 |
| 1994 | 0.052 | 0.051 | 0.043 |
| 1995 | 0.078 | 0.077 | 0.057 |
| 1996 | 0.049 | 0.059 | 0.057 |
| 1997 | 0.059 | 0.070 | 0.061 |
| 1998 | 0.062 | 0.070 | 0.048 |
| 1999 | 0.053 | 0.058 | 0.046 |
| 2000 | 0.032 | 0.039 | 0.045 |
| 2001 | 0.046 | 0.038 | 0.047 |
| 2002 | 0.014 | 0.020 | 0.036 |
| 2003 | 0.013 | 0.017 | 0.030 |
| 2004 | 0.015 | 0.017 | 0.027 |
| 2005 | 0.015 | 0.018 | 0.029 |
| Averages: | 0.043 | 0.045 | 0.043 |
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