Year % ages 15-24 1990 3.9 1991 4.3 1992 4.5 1993 4.6 1994 4.6 1995 4.5 1996 4.3 1997 4.1 1998 3.9 1999 3.8 2000 3.6 2001 3.5 2002 3.4 2003 3.3 2004 3.2 2005 3.2 2006 3.2 2007 3.2 2008 3.2 2009 3.2 2010 3.1 2011 3.1 2012 3.1 2013 3 2014 2.9 2015 2.8 2016 2.7 2017 2.6 2018 2.5 2019 2.3 2020 2.2 2021 2 2022 1.9