Year % ages 15-24 1990 1.4 1991 1.6 1992 1.8 1993 2 1994 2.1 1995 2.1 1996 2.1 1997 2.1 1998 2 1999 1.9 2000 1.8 2001 1.7 2002 1.6 2003 1.5 2004 1.4 2005 1.3 2006 1.3 2007 1.2 2008 1.2 2009 1.2 2010 1.1 2011 1.1 2012 1.1 2013 1.1 2014 1.1 2015 1.1 2016 1.1 2017 1.1 2018 1.1 2019 1.1 2020 1.1 2021 1 2022 1