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Monitoring the Future -- Trends in Lifetime Use of Any Illicit Drug
HS Senior Class Cohorts of 1995 through 2008

Overview of MTF data 8th Grade Drug Use Trends 10th Grade Drug Use Trends 12th Grade Drug Use Trends

Source: Monitoring the Future, 2009, Table 5-5a, pp.202-04

Lifetime Use of Any Illicit Drug Within HS Senior Cohorts -- Classes of 1995 through 2008
Class of: 8th Grade 10th Grade 12th Grade
1995 18.7 32.8 48.4
1996 20.6 37.4 50.8
1997 22.5 40.9 54.3
1998 25.7 45.4 54.1
1999 28.5 47.3 54.7
2000 31.2 44.9 54.0
2001 29.4 46.2 53.9
2002 29.0 45.6 53.0
2003 28.3 45.6 51.1
2004 26.8 44.6 51.1
2005 26.8 41.4 50.4
2006 24.5 39.8 48.2
2007 22.8 38.2 46.8
2008 21.5 36.1 47.4

Note: Data has been adjusted chronologically to reflect changes in drug use patterns within each senior class cohort. That is, the 10th grade and 8th grade data are taken from the corresponding 2 years and 4 years prior respectively to the year shown, for each cohort class.

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