Year % ages 15-24 1990 0.7 1991 0.9 1992 0.9 1993 1 1994 1 1995 1 1996 0.9 1997 0.8 1998 0.6 1999 0.6 2000 0.5 2001 0.4 2002 0.4 2003 0.3 2004 0.3 2005 0.3 2006 0.3 2007 0.3 2008 0.3 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 0.3 2018 0.3 2019 0.3 2020 0.3 2021 0.3 2022 0.2