Magnified View of Graphic
Source: Monitoring the Future
| Ratios of Crack to Alcohol Use -- Past Month Use (1986 - 2004) | |||
|---|---|---|---|
| Year | Ages 19 to 28 | College Students | 12th Grade Students |
| 1986 | -- | -- | -- |
| 1987 | 0.013 | 0.005 | 0.020 |
| 1988 | 0.016 | 0.006 | 0.025 |
| 1989 | 0.010 | 0.003 | 0.023 |
| 1990 | 0.006 | 0.001 | 0.012 |
| 1991 | 0.006 | 0.004 | 0.013 |
| 1992 | 0.006 | 0.001 | 0.012 |
| 1993 | 0.006 | 0.001 | 0.014 |
| 1994 | 0.004 | 0.001 | 0.016 |
| 1995 | 0.003 | 0.001 | 0.019 |
| 1996 | 0.004 | 0.001 | 0.020 |
| 1997 | 0.004 | 0.003 | 0.017 |
| 1998 | 0.004 | 0.003 | 0.019 |
| 1999 | 0.006 | 0.004 | 0.022 |
| 2000 | 0.006 | 0.004 | 0.020 |
| 2001 | 0.006 | 0.001 | 0.022 |
| 2002 | 0.004 | 0.004 | 0.025 |
| 2003 | 0.004 | 0.006 | 0.019 |
| 2004 | 0.004 | 0.006 | 0.021 |
| Averages: | 0.006 | 0.003 | 0.019 |
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