Year % of population ages 15-49 1990 0.5 1991 0.6 1992 0.7 1993 0.8 1994 0.9 1995 1 1996 1 1997 1.1 1998 1.1 1999 1.2 2000 1.2 2001 1.2 2002 1.3 2003 1.3 2004 1.3 2005 1.3 2006 1.4 2007 1.4 2008 1.4 2009 1.4 2010 1.5 2011 1.5 2012 1.5 2013 1.5 2014 1.5 2015 1.5 2016 1.5 2017 1.5 2018 1.5 2019 1.5 2020 1.5 2021 1.6 2022 1.6