Year % of population ages 15-49 1990 0.1 1991 0.1 1992 0.1 1993 0.1 1994 0.1 1995 0.1 1996 0.1 1997 0.2 1998 0.2 1999 0.3 2000 0.4 2001 0.6 2002 0.7 2003 0.8 2004 0.9 2005 1 2006 1.1 2007 1.2 2008 1.2 2009 1.3 2010 1.3 2011 1.3 2012 1.3 2013 1.3 2014 1.3 2015 1.3 2016 1.3 2017 1.3 2018 1.3