Ratios of New Crack Use to Marijuana Use by Those Ages 12 and Older
Source: National Survey on Drug Use and Health
Source: National Survey on Drug Use and Health
| Ratios of Crack Use vs Marijuana Use Among New Drug Use Initiates (1965 - 2003) | |||
|---|---|---|---|
| Year | Total | 18 or Older | 12 to 17 |
| 1965 | -- | -- | -- |
| 1966 | -- | -- | -- |
| 1967 | -- | -- | -- |
| 1968 | -- | -- | -- |
| 1969 | 0.006 | -- | -- |
| 1970 | -- | -- | -- |
| 1971 | -- | -- | -- |
| 1972 | 0.006 | -- | -- |
| 1973 | 0.010 | -- | -- |
| 1974 | 0.005 | -- | -- |
| 1975 | 0.011 | 0.02 | -- |
| 1976 | 0.008 | 0.02 | -- |
| 1977 | 0.016 | 0.03 | -- |
| 1978 | 0.026 | 0.05 | -- |
| 1979 | 0.023 | 0.05 | -- |
| 1980 | 0.045 | 0.09 | 0.017 |
| 1981 | 0.051 | 0.11 | 0.011 |
| 1982 | 0.068 | 0.15 | 0.012 |
| 1983 | 0.085 | 0.20 | 0.010 |
| 1984 | 0.132 | 0.31 | 0.023 |
| 1985 | 0.162 | 0.38 | 0.030 |
| 1986 | 0.138 | 0.31 | 0.029 |
| 1987 | 0.166 | 0.37 | 0.035 |
| 1988 | 0.229 | 0.55 | 0.042 |
| 1989 | 0.236 | 0.56 | 0.013 |
| 1990 | 0.259 | 0.54 | 0.045 |
| 1991 | 0.218 | 0.50 | 0.034 |
| 1992 | 0.194 | 0.45 | 0.030 |
| 1993 | 0.171 | 0.41 | 0.029 |
| 1994 | 0.144 | 0.36 | 0.029 |
| 1995 | 0.149 | 0.36 | 0.029 |
| 1996 | 0.154 | 0.36 | 0.036 |
| 1997 | 0.137 | 0.34 | 0.032 |
| 1998 | 0.144 | 0.34 | 0.049 |
| 1999 | 0.151 | 0.36 | 0.036 |
| 2000 | 0.148 | 0.36 | 0.043 |
| 2001 | 0.131 | 0.30 | 0.043 |
| 2002 | 0.127 | 0.31 | 0.044 |
| 2003 | 0.123 | 0.28 | 0.048 |
| Averages: | 0.168 | 0.39 | 0.036 |
| Use Ratios Among 12th Grade Students | Use Ratios Among College Students | Use Ratios Among Age 19 to 28 |
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| Use Ratios of Other Drugs vs Marijuana | Comparison Ratios Among Age 12 to 17 | Comparison Ratios Among Age 18 and Older |
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| Crack vs Alcohol Use Ratios | Crack Use Overview | Big Picture Drug Use Overview |
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