Percent of high school seniors reporting drug use, by type of drug and frequency of use: 1975 to 1998

1999 Tables and Figures

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Table 153

__________________________________________________________________________________________________________________________________________
                        |Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class|Class
    Type of drug and    | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of  | of
    frequency of use    |1975 |1980 |1982 |1983 |1984 |1985 |1986 |1987 |1988 |1989 |1990 |1991 |1992 |1993 |1994 |1995 |1996 |1997 |1998
________________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
           1            |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  | 10  | 11  | 12  | 13  | 14  | 15  | 16  | 17  | 18  | 19  | 20
________________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
                        |                  Percent reporting having ever used drugs
                        |_________________________________________________________________________________________________________________
Alcohol\1\ .............|90.4 |93.2 |92.8 |92.6 |92.6 |92.2 |91.3 |92.2 |92.0 |90.7 |89.5 |88.0 |87.5 |80.0 |80.4 |80.7 |79.2 |81.7 |81.4
Any illicit drug  ...   |55.2 |65.4 |64.4 |62.9 |61.6 |60.6 |57.6 |56.6 |53.9 |50.9 |47.9 |44.1 |40.7 |42.9 |45.6 |48.4 |50.8 |54.3 |54.1
  Marijuana only .......|19.0 |26.7 |23.3 |22.5 |21.3 |20.9 |19.9 |20.8 |21.4 |19.5 |18.5 |17.2 |15.6 |16.2 |18.0 |20.3 |22.3 | --- | ---
  Any illicit drug other|     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
   than marijuana\2\ ...|36.2 |38.7 |41.1 |40.4 |40.3 |39.7 |37.7 |35.8 |32.5 |31.4 |29.4 |26.9 |25.1 |26.7 |27.6 |28.1 |28.5 |30.0 |29.4
                        |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
Use of selected drugs   |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
  Cocaine ..............| 9.0 |15.7 |16.0 |16.2 |16.1 |17.3 |16.9 |15.2 |12.1 |10.3 | 9.4 | 7.8 | 6.1 | 6.1 | 5.9 | 6.0 | 7.1 | 8.7 | 9.3
  Heroin ...............| 2.2 | 1.1 | 1.2 | 1.2 | 1.3 | 1.2 | 1.1 | 1.2 | 1.1 | 1.3 | 1.3 | 0.9 | 1.2 | 1.1 | 1.2 | 1.6 | 1.8 | 2.1 | 2.0
  LSD ..................|11.3 | 9.3 | 9.6 | 8.9 | 8.0 | 7.5 | 7.2 | 8.4 | 7.7 | 8.3 | 8.7 | 8.8 | 8.6 |10.3 |10.5 |11.7 |12.6 |13.6 |12.6
  Marijuana/hashish ....|47.3 |60.3 |58.7 |57.0 |54.9 |54.2 |50.9 |50.2 |47.2 |43.7 |40.7 |36.7 |32.6 |35.3 |38.2 |41.7 |44.9 |49.6 |49.1
  PCP ..................| --- | 9.6 | 6.0 | 5.6 | 5.0 | 4.9 | 4.8 | 3.0 | 2.9 | 3.9 | 2.8 | 2.9 | 2.4 | 2.9 | 2.8 | 2.7 | 4.0 | 3.9 | 3.9
                        |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
                        |                  Percent reporting use of drugs in the past 12 months
                        |_________________________________________________________________________________________________________________
Alcohol\1\ .............|84.8 |87.9 |86.8 |87.3 |86.0 |85.6 |84.5 |85.7 |85.3 |82.7 |80.6 |77.7 |76.8 |72.7 |73.0 |73.7 |72.5 |74.8 |74.3
Any illicit drug  ...   |45.0 |53.1 |49.4 |47.4 |45.8 |46.3 |44.3 |41.7 |38.5 |35.4 |32.5 |29.4 |27.1 |31.0 |35.8 |39.0 |40.2 |42.4 |41.4
  Marijuana only .......|18.8 |22.7 |19.3 |19.0 |17.8 |18.9 |18.4 |17.6 |17.4 |15.4 |14.6 |13.2 |12.2 |13.9 |17.8 |19.6 |20.4 | --- | ---
  Any illicit drug other|     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
   than marijuana\2\ ...|26.2 |30.4 |30.1 |28.4 |28.0 |27.4 |25.9 |24.1 |21.1 |20.0 |17.9 |16.2 |14.9 |17.1 |18.0 |19.4 |19.8 |20.7 |20.2
                        |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
Use of selected drugs   |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
  Cocaine ..............| 5.6 |12.3 |11.5 |11.4 |11.6 |13.1 |12.7 |10.3 | 7.9 | 6.5 | 5.3 | 3.5 | 3.1 | 3.3 | 3.6 | 4.0 | 4.9 | 5.5 | 5.7
  Heroin ...............| 1.0 | 0.5 | 0.6 | 0.6 | 0.5 | 0.6 | 0.5 | 0.5 | 0.5 | 0.6 | 0.5 | 0.4 | 0.6 | 0.5 | 0.6 | 1.1 | 1.0 | 1.2 | 1.0
  LSD ..................| 7.2 | 6.5 | 6.1 | 5.4 | 4.7 | 4.4 | 4.5 | 5.2 | 4.8 | 4.9 | 5.4 | 5.2 | 5.6 | 6.8 | 6.9 | 8.4 | 8.8 | 8.4 | 7.6
  Marijuana/hashish ....|40.0 |48.8 |44.3 |42.3 |40.0 |40.6 |38.8 |36.3 |33.1 |29.6 |27.0 |23.9 |21.9 |26.0 |30.7 |34.7 |35.8 |38.5 |37.5
  PCP ..................| --- | 4.4 | 2.2 | 2.6 | 2.3 | 2.9 | 2.4 | 1.3 | 1.2 | 2.4 | 1.2 | 1.4 | 1.4 | 1.4 | 1.6 | 1.8 | 2.6 | 2.3 | 2.1
                        |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
                        |                  Percent reporting use of drugs in the past 30 days
                        |_________________________________________________________________________________________________________________
Alcohol\1\ .............|68.2 |72.0 |69.7 |69.4 |67.2 |65.9 |65.3 |66.4 |63.9 |60.0 |57.1 |54.0 |51.3 |48.6 |50.1 |51.3 |50.8 |52.7 |52.0
Any illicit drug  ...   |30.7 |37.2 |32.5 |30.5 |29.2 |29.7 |27.1 |24.7 |21.3 |19.7 |17.2 |16.4 |14.4 |18.3 |21.9 |23.8 |24.6 |26.2 |25.6
  Marijuana only .......|15.3 |18.8 |15.5 |15.1 |14.1 |14.8 |13.9 |13.1 |11.3 |10.6 | 9.2 | 9.3 | 8.1 |10.4 |13.1 |13.8 |15.1 | --- | ---
  Any illicit drug other|     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
   than marijuana\2\ ...|15.4 |18.4 |17.0 |15.4 |15.1 |14.9 |13.2 |11.6 |10.0 | 9.1 | 8.0 | 7.1 | 6.3 | 7.9 | 8.8 |10.0 | 9.5 |10.7 |10.7
                        |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
Use of selected drugs   |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
  Cocaine ..............| 1.9 | 5.2 | 5.0 | 4.9 | 5.8 | 6.7 | 6.2 | 4.3 | 3.4 | 2.8 | 1.9 | 1.4 | 1.3 | 1.3 | 1.5 | 1.8 | 2.0 | 2.3 | 2.4
  Heroin ...............| 0.4 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.3 | 0.2 | 0.3 | 0.6 | 0.5 | 0.5 | 0.5
  LSD ..................| 2.3 | 2.3 | 2.4 | 1.9 | 1.5 | 1.6 | 1.7 | 1.8 | 1.8 | 1.8 | 1.9 | 1.9 | 2.0 | 2.4 | 2.6 | 4.0 | 2.5 | 3.1 | 3.2
  Marijuana/hashish ....|27.1 |33.7 |28.5 |27.0 |25.2 |25.7 |23.4 |21.0 |18.0 |16.7 |14.0 |13.8 |11.9 |15.5 |19.0 |21.2 |21.9 |23.7 |22.8
  PCP ..................| --- | 1.4 | 1.0 | 1.3 | 1.0 | 1.6 | 1.3 | 0.6 | 0.3 | 1.4 | 0.4 | 0.5 | 0.6 | 1.0 | 0.7 | 0.6 | 1.3 | 0.7 | 1.0
________________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____

\1\Survey question changed in 1993; data are not comparable to figures for earlier years.
\2\Other illicit drugs include any use of hallucinogens, cocaine, and heroin, or any use of other opiates, stimulants, sedatives, or tranquilizers not under a doctor's orders.
---Data not available.

NOTE.--A revised questionnaire was used in 1982 and later years to reduce the inappropriate reporting of nonprescription stimulants. This slightly reduced the positive responses for some types of drug abuse.

SOURCE: University of Michigan, Institute for Social Research, "Monitoring the Future" Study. (This table was prepared July 1999.)

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