Magnified View of Graphic
Source: Monitoring the Future
| Ratios of Heroin to Alcohol Use -- Past Year Use (1991 - 2005) | |||
|---|---|---|---|
| Year | 12th Grade | 10th Grade | 8th Grade |
| 1991 | 0.005 | 0.007 | 0.013 |
| 1992 | 0.008 | 0.009 | 0.013 |
| 1993 | 0.007 | 0.011 | 0.015 |
| 1994 | 0.008 | 0.014 | 0.026 |
| 1995 | 0.015 | 0.017 | 0.031 |
| 1996 | 0.014 | 0.018 | 0.034 |
| 1997 | 0.016 | 0.021 | 0.029 |
| 1998 | 0.013 | 0.022 | 0.030 |
| 1999 | 0.015 | 0.022 | 0.032 |
| 2000 | 0.020 | 0.021 | 0.026 |
| 2001 | 0.012 | 0.014 | 0.024 |
| 2002 | 0.014 | 0.018 | 0.023 |
| 2003 | 0.011 | 0.012 | 0.024 |
| 2004 | 0.013 | 0.015 | 0.027 |
| 2005 | 0.012 | 0.016 | 0.024 |
| Averages: | 0.012 | 0.016 | 0.025 |
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