Year % ages 15-24 1990 2.2 1991 3.1 1992 3.5 1993 3.5 1994 3.2 1995 2.8 1996 2.3 1997 1.9 1998 1.5 1999 1.2 2000 1 2001 0.8 2002 0.7 2003 0.7 2004 0.6 2005 0.6 2006 0.5 2007 0.5 2008 0.5 2009 0.5 2010 0.5 2011 0.5 2012 0.5 2013 0.5 2014 0.5 2015 0.5 2016 0.5 2017 0.5 2018 0.5 2019 0.4 2020 0.4 2021 0.4 2022 0.4