Year % of population ages 15-49 1990 0.1 1991 0.2 1992 0.3 1993 0.4 1994 0.5 1995 0.7 1996 0.9 1997 1.1 1998 1.3 1999 1.4 2000 1.6 2001 1.7 2002 1.8 2003 1.9 2004 1.9 2005 1.9 2006 2 2007 2 2008 2 2009 1.9 2010 1.9 2011 1.9 2012 1.9 2013 1.9 2014 1.9 2015 1.8 2016 1.8 2017 1.7 2018 1.7 2019 1.6 2020 1.5 2021 1.5 2022 1.4