Year % ages 15-24 1990 0.7 1991 0.8 1992 0.9 1993 0.9 1994 1 1995 1 1996 0.9 1997 0.9 1998 0.8 1999 0.7 2000 0.6 2001 0.6 2002 0.5 2003 0.5 2004 0.4 2005 0.4 2006 0.4 2007 0.3 2008 0.3 2009 0.3 2010 0.3 2011 0.3 2012 0.3 2013 0.3 2014 0.2 2015 0.2 2016 0.2 2017 0.2 2018 0.2 2019 0.2 2020 0.2 2021 0.1 2022 0.1