This survey shows the lifetime prevalence of use of any illicit drug for grades 8, 10 and 12 combined from 1991 to 2017. Around 33.4% of all respondents in grades 8,10 and 12 in 2017 stated that they used any illicit drug within their lifetime.
2017 | 33.4 |
2016 | 32.6 |
2015 | 34.3 |
2014 | 34.9 |
2013 | 36 |
2012 | 34.1 |
2011 | 34.7 |
2010 | 34.4 |
2009 | 33.2 |
2008 | 32.6 |
2007 | 32.7 |
2006 | 34 |
2005 | 35.7 |
2004 | 36.4 |
2003 | 37.5 |
2002 | 39.5 |
2001 | 40.9 |
2000 | 41 |
1999 | 41.9 |
1998 | 42.3 |
1997 | 43.3 |
1996 | 42.2 |
1995 | 38.9 |
1994 | 35.7 |
1993 | 32.1 |
1992 | 29.8 |
1991 | 30.4 |