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30-day prevalence of marijuana use within grades 8, 10 and 12 in the United States 1991-2017

30-day prevalence of use of marijuana/hashish for grades 8, 10 and 12 combined from 1991 to 2017

This survey shows the 30-day prevalence of use of marijuana/hashish for grades 8, 10 and 12 combined, from 1991 to 2017. Some 16.6% of all respondents in grades 8,10 and 12 in 2001 stated that they used marijuana/hashish within 30 days.

2017	14.5
2016	13.7
2015	14
2014	14.4
2013	15.6
2012	15.1
2011	15.2
2010	14.8
2009	13.8
2008	12.5
2007	12.4
2006	12.5
2005	13.4
2004	13.6
2003	14.8
2002	15.3
2001	16.6
2000	16.3
1999	16.9
1998	16.9
1997	17.9
1996	17.7
1995	15.6
1994	13.9
1993	10.2
1992	7.7
1991	8.3

30-day prevalence of marijuana use within grades 8, 10 and 12 in the United States 1991-2017

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