The data displays the 30-day prevalence of use of alcohol for grades 8, 10 and 12 combined, from 1991 to 2017. Some 35.5% of all respondents in grades 8,10 and 12 in 2001 stated that they used alcohol within the previous 30 days.
2017 | 19.9 |
2016 | 19.8 |
2015 | 21.8 |
2014 | 22.6 |
2013 | 24.3 |
2012 | 25.9 |
2011 | 25.5 |
2010 | 26.8 |
2009 | 28.4 |
2008 | 28.1 |
2007 | 30.1 |
2006 | 31 |
2005 | 31.4 |
2004 | 32.9 |
2003 | 33.2 |
2002 | 33.3 |
2001 | 35.5 |
2000 | 36.6 |
1999 | 37.2 |
1998 | 37.4 |
1997 | 38.6 |
1996 | 38.8 |
1995 | 37.8 |
1994 | 37.6 |
1993 | 36.3 |
1992 | 38.4 |
1991 | 39.8 |