Percent of high school seniors reporting drug use, by type of drug and frequency of use: 1975 to 2000

Table 149.

__________________________________________________________________________________________________________________________________________
                        |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 |1984 |1985 |1986 |1987 |1988 |1989 |1990 |1991 |1992 |1993 |1994 |1995 |1996 |1997 |1998 |1999 |2000
________________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
           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 |92.6 |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 |80.0 |80.3
Any illicit drug  ...   |55.2 |65.4 |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 |54.7 |54.0
  Marijuana only .......|19.0 |26.7 |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 |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 |29.4 |29.0
                        |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
Use of selected drugs   |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
  Cocaine ..............| 9.0 |15.7 |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 | 9.8 | 8.6
  Heroin ...............| 2.2 | 1.1 | 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 | 2.0 | 2.4
  LSD ..................|11.3 | 9.3 | 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 |12.2 |11.1
  Marijuana/hashish ....|47.3 |60.3 |54.9 |  54 |  51 |50.2 |47.2 |43.7 |40.7 |36.7 |32.6 |35.3 |38.2 |41.7 |44.9 |49.6 |49.1 |49.7 |48.8
  PCP ..................| --- | 9.6 | 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 | 3.4 | 3.4
                        |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
                        |             Percent reporting use of drugs in the past 12 months
                        |_________________________________________________________________________________________________________________
Alcohol\1\ .............|84.8 |87.9 |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 |73.8 |73.2
Any illicit drug  ...   |45.0 |53.1 |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 |42.1 |40.9
  Marijuana only .......|18.8 |22.7 |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 |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 |20.7 |20.4
                        |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
Use of selected drugs   |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
  Cocaine ..............| 5.6 |12.3 |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 | 6.2 | 5.0
  Heroin ...............| 1.0 | 0.5 | 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 | 1.1 | 1.5
  LSD ..................| 7.2 | 6.5 | 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 | 8.1 | 6.6
  Marijuana/hashish ....|40.0 |48.8 |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 |37.8 |36.5
  PCP ..................| --- | 4.4 | 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 | 1.8 | 2.3
                        |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____
                        |             Percent reporting use of drugs in the past 30 days
                        |_________________________________________________________________________________________________________________
Alcohol\1\ .............|68.2 |72.0 |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 |51.0 |50.0
Any illicit drug  ...   |30.7 |37.2 |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 |25.9 |24.9
  Marijuana only .......|15.3 |18.8 |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 |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 |10.4 |10.4
                        |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
Use of selected drugs   |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |     |
  Cocaine ..............| 1.9 | 5.2 | 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 | 2.6 | 2.1
  Heroin ...............| 0.4 | 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 | 0.5 | 0.7
  LSD ..................| 2.3 | 2.3 | 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 | 2.7 | 1.6
  Marijuana/hashish ....|27.1 |33.7 |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 |23.1 |21.6
  PCP ..................| --- | 1.4 | 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 | 0.8 | 0.9
________________________|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____

---Not available.
\1\Survey question changed in 1993; data are not comparable to figures for earlier years.
\2\Other illicit drugs include any use of marijuana, LSD, other hallucinogens, crack, other cocaine, or heroin, or any use of other narcotics, amphetamines, barbiturates, or tranquilizers not under a doctor's orders.

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 April 2001.)

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