Monitoring the Future -- Trends in Past Month Cocaine Use
vs Alcohol Use by Young Adults (1986 - 2008)

Source: Monitoring the Future, Vols I & II (2009)

Ratios of Cocaine Use to Alcohol Use Among Young Adults -- Past Month Use (1986 - 2008)
Year	Ages 19 Use to 28	College Students	12th Grade Students
1986	0.109	0.088	0.095
1987	0.080	0.059	0.065
1988	0.077	0.055	0.053
1989	0.052	0.037	0.047
1990	0.034	0.016	0.033
1991	0.028	0.013	0.026
1992	0.026	0.014	0.025
1993	0.020	0.010	0.027
1994	0.019	0.009	0.030
1995	0.022	0.010	0.035
1996	0.018	0.012	0.039
1997	0.022	0.024	0.044
1998	0.025	0.023	0.046
1999	0.028	0.017	0.051
2000	0.025	0.021	0.042
2001	0.033	0.028	0.042
2002	0.032	0.023	0.047
2003	0.036	0.029	0.044
2004	0.032	0.035	0.048
2005	0.033	0.028	0.042
2006	0.032	0.023	0.047
2007	0.036	0.029	0.044
2008	0.032	0.035	0.048

Other Available Trend and Comparison Data
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