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Prevalence of Abuse: Monitoring The Future
| 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 8th Grade | 4.2 % | 4.0 % | 3.6 % | 3.8 % | 3.2 % | 2.7 % | 3.0 % | 2.9 % | 2.0 % | 1.6 % |
| 10th Grade | 5.3 % | 5.4 % | 5.3 % | 6.0 % | 5.1 % | 5.5 % | 4.7 % | 4.3 % | 3.7 % | 3.3 % |
| 12th Grade | 6.9 % | 5.8 % | 5.5 % | 5.9 % | 6.6 % | 5.3 % | 5.6 % | 5.0 % | 4.1 % | 4.6 % |
| Average | 5.4 % | 5.0 % | 4.7 % | 5.2 % | 4.8 % | 4.4 % | 4.4 % | 4.0 % | 3.2 % | 3.1 % |
