Magnified View of Graphic
Source: Monitoring the Future
| Ratios of Heroin to Alcohol Use -- Past Month Use (1986 - 2004) | |||
|---|---|---|---|
| Year | Ages 19 to 28 | College Students | 12th Grade Students |
| 1986 | 0.001 | -- | 0.003 |
| 1987 | 0.001 | 0.001 | 0.003 |
| 1988 | 0.001 | 0.001 | 0.003 |
| 1989 | 0.001 | 0.001 | 0.005 |
| 1990 | 0.001 | -- | 0.004 |
| 1991 | -- | 0.001 | 0.004 |
| 1992 | 0.001 | -- | 0.006 |
| 1993 | 0.001 | -- | 0.004 |
| 1994 | 0.001 | -- | 0.006 |
| 1995 | 0.001 | 0.001 | 0.012 |
| 1996 | 0.001 | -- | 0.010 |
| 1997 | 0.001 | 0.003 | 0.009 |
| 1998 | 0.001 | 0.001 | 0.010 |
| 1999 | 0.001 | 0.001 | 0.010 |
| 2000 | 0.001 | 0.003 | 0.014 |
| 2001 | 0.004 | 0.001 | 0.008 |
| 2002 | -- | -- | 0.010 |
| 2003 | 0.001 | -- | 0.008 |
| 2004 | 0.001 | 0.001 | 0.010 |
| Averages: | 0.002 | 0.002 | 0.007 |
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