Source: National Survey on Drug Use and Health
| Ratios of Crack Use vs Alcohol Use Among New Drug Use Initiates (1965 - 2003) | |||
|---|---|---|---|
| Year | Total | 18 or Older | 12 to 17 |
| 1965 | -- | -- | -- |
| 1966 | -- | -- | -- |
| 1967 | -- | -- | -- |
| 1968 | -- | -- | -- |
| 1969 | 0.004 | -- | -- |
| 1970 | -- | -- | -- |
| 1971 | -- | -- | -- |
| 1972 | 0.005 | -- | -- |
| 1973 | 0.009 | -- | -- |
| 1974 | 0.004 | -- | -- |
| 1975 | 0.009 | 0.02 | -- |
| 1976 | 0.007 | 0.02 | -- |
| 1977 | 0.013 | 0.03 | -- |
| 1978 | 0.022 | 0.05 | -- |
| 1979 | 0.018 | 0.05 | -- |
| 1980 | 0.032 | 0.08 | 0.011 |
| 1981 | 0.035 | 0.10 | 0.007 |
| 1982 | 0.045 | 0.13 | 0.007 |
| 1983 | 0.061 | 0.17 | 0.007 |
| 1984 | 0.083 | 0.25 | 0.013 |
| 1985 | 0.107 | 0.30 | 0.018 |
| 1986 | 0.086 | 0.27 | 0.015 |
| 1987 | 0.097 | 0.25 | 0.019 |
| 1988 | 0.134 | 0.37 | 0.023 |
| 1989 | 0.121 | 0.36 | 0.006 |
| 1990 | 0.131 | 0.35 | 0.020 |
| 1991 | 0.128 | 0.33 | 0.019 |
| 1992 | 0.122 | 0.32 | 0.017 |
| 1993 | 0.116 | 0.33 | 0.018 |
| 1994 | 0.105 | 0.29 | 0.020 |
| 1995 | 0.119 | 0.32 | 0.022 |
| 1996 | 0.110 | 0.29 | 0.024 |
| 1997 | 0.097 | 0.27 | 0.022 |
| 1998 | 0.093 | 0.22 | 0.031 |
| 1999 | 0.098 | 0.27 | 0.022 |
| 2000 | 0.085 | 0.23 | 0.024 |
| 2001 | 0.074 | 0.20 | 0.022 |
| 2002 | 0.065 | 0.17 | 0.022 |
| 2003 | -- | 0.16 | -- |
| Averages: | 0.105 | 0.28 | 0.020 |
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