Source: National Survey on Drug Use and Health
| Ratios of Other Narcotic Use vs Marijuana Use and Alcohol Use Among New Drug Use Initiates -- Total (1965 - 2003) | |||
|---|---|---|---|
| Year | Other Narcotic New Users | Ratio vs Marijuana | Ratio vs Alcohol |
| 1965 | 95,000 | 0.12 | 0.03 |
| 1966 | 52,000 | 0.06 | 0.02 |
| 1967 | 128,000 | 0.09 | 0.04 |
| 1968 | 224,000 | 0.11 | 0.06 |
| 1969 | 296,000 | 0.12 | 0.08 |
| 1970 | 367,000 | 0.14 | 0.09 |
| 1971 | 404,000 | 0.14 | 0.10 |
| 1972 | 358,000 | 0.11 | 0.08 |
| 1973 | 431,000 | 0.12 | 0.11 |
| 1974 | 456,000 | 0.14 | 0.11 |
| 1975 | 495,000 | 0.15 | 0.13 |
| 1976 | 443,000 | 0.14 | 0.11 |
| 1977 | 491,000 | 0.15 | 0.12 |
| 1978 | 457,000 | 0.14 | 0.12 |
| 1979 | 526,000 | 0.18 | 0.13 |
| 1980 | 509,000 | 0.20 | 0.14 |
| 1981 | 488,000 | 0.20 | 0.14 |
| 1982 | 460,000 | 0.20 | 0.13 |
| 1983 | 594,000 | 0.25 | 0.18 |
| 1984 | 506,000 | 0.24 | 0.15 |
| 1985 | 540,000 | 0.25 | 0.17 |
| 1986 | 562,000 | 0.27 | 0.17 |
| 1987 | 625,000 | 0.34 | 0.20 |
| 1988 | 538,000 | 0.32 | 0.18 |
| 1989 | 612,000 | 0.37 | 0.19 |
| 1990 | 557,000 | 0.38 | 0.19 |
| 1991 | 604,000 | 0.36 | 0.21 |
| 1992 | 777,000 | 0.40 | 0.25 |
| 1993 | 694,000 | 0.32 | 0.22 |
| 1994 | 932,000 | 0.39 | 0.28 |
| 1995 | 917,000 | 0.35 | 0.28 |
| 1996 | 1,100,000 | 0.44 | 0.32 |
| 1997 | 1,316,000 | 0.51 | 0.36 |
| 1998 | 1,548,000 | 0.62 | 0.40 |
| 1999 | 1,810,000 | 0.69 | 0.44 |
| 2000 | 2,268,000 | 0.83 | 0.48 |
| 2001 | 2,400,000 | 0.86 | 0.49 |
| 2002 | 2,699,000 | 1.00 | 0.52 |
| 2003 | 2,581,000 | 1.05 | -- |
| Averages: | 1,252,222 | 0.53 | 0.30 |
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