Year % ages 15-24 1990 0.6 1991 0.8 1992 0.9 1993 1 1994 1.1 1995 1.2 1996 1.2 1997 1.3 1998 1.3 1999 1.3 2000 1.2 2001 1.2 2002 1.2 2003 1.1 2004 1.1 2005 1 2006 1 2007 0.9 2008 0.9 2009 0.9 2010 0.9 2011 0.9 2012 0.9 2013 0.9 2014 0.9 2015 0.9 2016 0.8 2017 0.8 2018 0.8