Ratios of New Marijuana Use to Alcohol Use by Those Ages 12 and Older (1986 - 2004)

Source: National Survey on Drug Use and Health

Ratios of Marijuana Use vs Alcohol Use Among New Drug Use Initiates (1965 - 2003)
Year	Total	18 or Older	12 to 17
1965	0.24	0.32	0.17
1966	0.28	0.41	0.18
1967	0.39	0.53	0.27
1968	0.56	0.76	0.41
1969	0.63	0.87	0.45
1970	0.67	0.90	0.52
1971	0.75	1.11	0.54
1972	0.74	0.96	0.62
1973	0.86	1.26	0.65
1974	0.77	0.96	0.67
1975	0.82	1.01	0.73
1976	0.82	1.00	0.73
1977	0.81	1.04	0.70
1978	0.85	1.13	0.74
1979	0.75	0.97	0.65
1980	0.71	0.85	0.64
1981	0.68	0.87	0.59
1982	0.67	0.87	0.58
1983	0.71	0.83	0.66
1984	0.63	0.79	0.56
1985	0.66	0.79	0.61
1986	0.62	0.88	0.52
1987	0.58	0.67	0.54
1988	0.59	0.67	0.56
1989	0.52	0.64	0.45
1990	0.51	0.64	0.43
1991	0.59	0.65	0.55
1992	0.63	0.72	0.58
1993	0.68	0.81	0.62
1994	0.73	0.81	0.69
1995	0.80	0.89	0.75
1996	0.71	0.79	0.68
1997	0.71	0.78	0.68
1998	0.64	0.65	0.64
1999	0.65	0.77	0.60
2000	0.58	0.65	0.55
2001	0.57	0.68	0.52
2002	0.51	0.55	0.50
2003	--	0.56	--
Averages:	0.62	0.71	0.58