Year % ages 15-24 1990 3.5 1991 3.9 1992 4.3 1993 4.6 1994 4.8 1995 4.8 1996 4.6 1997 4.4 1998 4.1 1999 3.8 2000 3.5 2001 3.3 2002 3 2003 2.8 2004 2.6 2005 2.4 2006 2.3 2007 2.2 2008 2.2 2009 2.1 2010 2.1 2011 2 2012 2 2013 2 2014 1.9 2015 1.9 2016 1.9 2017 1.9 2018 1.9 2019 1.9 2020 1.8 2021 1.8 2022 1.8