Year % ages 15-24 1990 2.9 1991 4.1 1992 5.4 1993 6.6 1994 7.5 1995 8.1 1996 8.3 1997 8.3 1998 8 1999 7.6 2000 7.1 2001 6.6 2002 6.1 2003 5.6 2004 5.2 2005 4.8 2006 4.5 2007 4.2 2008 4 2009 3.8 2010 3.7 2011 3.7 2012 3.8 2013 3.8 2014 3.9 2015 4 2016 4 2017 3.9 2018 3.8 2019 3.6 2020 3.4 2021 3.1 2022 2.8