Year % ages 15-24 1990 0.1 1991 0.2 1992 0.3 1993 0.5 1994 0.6 1995 0.8 1996 1 1997 1.2 1998 1.3 1999 1.4 2000 1.4 2001 1.4 2002 1.3 2003 1.1 2004 1 2005 0.8 2006 0.7 2007 0.6 2008 0.5 2009 0.5 2010 0.4 2011 0.4 2012 0.4 2013 0.5 2014 0.5 2015 0.5 2016 0.6 2017 0.6 2018 0.6