Year % ages 15-24 1990 0.3 1991 0.3 1992 0.4 1993 0.4 1994 0.5 1995 0.5 1996 0.6 1997 0.6 1998 0.6 1999 0.6 2000 0.6 2001 0.6 2002 0.5 2003 0.5 2004 0.5 2005 0.5 2006 0.5 2007 0.5 2008 0.5 2009 0.4 2010 0.4 2011 0.4 2012 0.4 2013 0.4 2014 0.4 2015 0.4 2016 0.4 2017 0.4 2018 0.4 2019 0.4 2020 0.4 2021 0.3 2022 0.3