Year	% of population ages 15-49
1990	1.5
1991	1.6
1992	1.7
1993	1.8
1994	1.9
1995	1.9
1996	1.9
1997	1.9
1998	1.9
1999	1.8
2000	1.8
2001	1.7
2002	1.6
2003	1.5
2004	1.5
2005	1.4
2006	1.3
2007	1.2
2008	1.2
2009	1.1
2010	1.1
2011	1
2012	1
2013	0.9
2014	0.9
2015	0.8
2016	0.8
2017	0.8
2018	0.7
2019	0.7
2020	0.7
2021	0.6
2022	0.6