Year % ages 15-24 1990 0.5 1991 0.8 1992 1.3 1993 1.9 1994 2.6 1995 3.4 1996 4.2 1997 4.8 1998 5.3 1999 5.6 2000 5.8 2001 5.8 2002 5.8 2003 5.7 2004 5.6 2005 5.4 2006 5.2 2007 5 2008 4.8 2009 4.6 2010 4.4 2011 4.3 2012 4.2 2013 4.1 2014 4.1 2015 4 2016 4 2017 3.9 2018 3.9 2019 3.8 2020 3.8 2021 3.7 2022 3.6