____________________________________________________________________________________________
Type of drug and |1972 |1974 |1976 |1977 |1979 |1982 |1985 |1988 |1990 |1991 |1992 |1993
frequency use | | | | | | | | | | | |
____________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13
____________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
| Percent reporting drug use during past 30 days
|_______________________________________________________________________
Any illicit use ....| --- | --- | --- | --- |17.6 |12.7 |14.9 | 9.2 | 8.1 | 6.8 | 6.1 | 6.6
Marijuana ........| 7.0 |12.0 |12.3 |16.6 |16.7 |11.5 |11.9 | 6.4 | 5.2 | 4.3 | 4.0 | 4.9
Hallucinogens ....| 1.4 | 1.3 | 0.9 | 1.6 | 2.2 | 1.4 | 1.2 | 0.8 | 0.9 | 0.8 | 0.6 | 0.5
Cocaine ..........| 0.6 | 1.0 | 1.0 | 0.8 | 1.4 | 1.6 | 1.4 | 1.1 | 0.6 | 0.4 | 0.3 | 0.4
Heroin ...........| --- | --- | --- | --- | --- | --- | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0
Nonmedical use of: | | | | | | | | | | | |
Stimulants .......| --- | 1.0 | 1.2 | 1.3 | 1.2 | 2.6 | 1.6 | 1.2 | 1.0 | 0.5 | 0.2 | 0.5
Sedatives ........| --- | 1.0 | --- | 0.8 | 1.1 | 1.3 | 1.0 | 0.6 | 0.9 | 0.5 | 0.4 | 0.2
Tranquilizers ....| --- | 1.0 | 1.1 | 0.7 | 0.6 | 0.9 | 0.6 | 0.2 | 0.5 | 0.4 | 0.2 | 0.2
Analgesics .......| --- | --- | --- | --- | 0.6 | 0.7 | 1.7 | 0.9 | 1.4 | 1.1 | 0.8 | 0.7
| | | | | | | | | | | |
Alcohol ............| --- |34.0 |32.4 |31.2 |37.2 |30.2 |31.0 |25.2 |24.5 |20.3 |15.7 |18.0
Cigarettes .........| --- |25.0 |23.4 |22.3 |12.1 |14.7 |15.3 |11.8 |11.6 |10.8 | 9.6 | 9.6
|=====|=====|=====|=====|=====|=====|=====|=====|=====|=====|=====|=====
| Percent reporting drug use during past year
|_______________________________________________________________________
Any illicit use ....| --- | --- | --- | --- |26.0 |22.0 |23.3 |16.8 |15.9 |14.8 |11.7 |13.6
Marijuana ........| --- |18.5 |18.4 |22.3 |24.1 |20.6 |19.4 |12.6 |11.3 |10.1 | 8.1 |10.1
Hallucinogens ....| 3.6 | 4.3 | 2.8 | 3.1 | 4.7 | 3.6 | 2.6 | 2.8 | 2.4 | 2.1 | 1.9 | 2.1
Cocaine ..........| 1.5 | 2.7 | 2.3 | 2.6 | 4.2 | 4.1 | 3.9 | 2.9 | 2.2 | 1.5 | 1.1 | 0.8
Heroin ...........| --- | --- | --- | 0.6 | --- | --- | 0.3 | 0.4 | 0.6 | 0.2 | 0.1 | 0.1
Nonmedical use of: | | | | | | | | | | | |
Stimulants .......| --- | 3.0 | 2.2 | 3.7 | 2.9 | 5.6 | 4.1 | 2.8 | 3.0 | 1.9 | 1.3 | 1.6
Sedatives ........| --- | 2.0 | 1.2 | 2.0 | 2.2 | 3.7 | 2.8 | 1.7 | 2.2 | 1.3 | 1.0 | 0.8
Tranquilizers ....| --- | 2.0 | 1.8 | 2.9 | 2.7 | 3.3 | 3.4 | 1.5 | 1.5 | 1.3 | 1.0 | 0.7
Analgesics .......| --- | --- | --- | --- | 2.2 | 3.7 | 4.0 | 3.0 | 4.8 | 3.3 | 2.4 | 2.2
| | | | | | | | | | | |
Alcohol ............| --- |51.0 |49.3 |47.5 |53.6 |52.4 |51.6 |44.5 |41.0 |40.3 |32.6 |35.2
Cigarettes .........| --- | --- | --- | --- | --- |24.8 |25.5 |22.8 |22.2 |20.1 |18.2 |19.1
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