TABLE D.1 Estimated Prevalence Rate of Use of Any Illegal Drugs During the Past Year, National Household Survey of Drug Abuse (NHSDA) and Monitoring the Future (MTF)

Year

MTF 12th Graders

NHSDA, Ages 12–17

1975

45.0

 

1976

48.1

1977

51.1

1978

53.8

1979

54.2

24.3

1980

53.1

1981

52.1

1982

49.4

1983

47.4

1984

45.8

1985

46.3

20.7

1986

44.3

1987

41.7

1988

38.5

14.9

1989

35.4

1990

32.5

1991

29.4

13.1

1992

27.1

10.4

1993

31.0

11.9

1994

35.8

15.5

1995

39.0

18.0

1996

40.2

16.7

1997

42.4

18.8

NOTE: These annual prevalence measures indicate use of marijuana, cocaine, inhalants, hallucinogens, heroin or nonmedical use of psychotherapeutics at least once during the year.

SOURCES: L.D.Johnston, P.M.O’Malley, J.G.Bachman. 1998b. Drug use by American young people begins to turn downward. University of Michigan News and Information Services: Ann Arbor, MI. [On_line]. Tables 1b and 3. Available: www.isr.umich.edu/src/mtf; accessed 11/ 16/99. Office of Applied Studies National Household Survey on Drug Abuse: Main Findings 1997, Department of Health and Human Services, Substance Abuse and Mental Health Services Administration. Table 2.6. Available:http://www.samhsa.gov/oas/NHSDA/1997Main/Table%20of%20Contents.htm; accessed 11/16/99



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