Year	% of population ages 15-49
1990	4.6
1991	4.9
1992	5.2
1993	4.9
1994	5
1995	4.8
1996	4.5
1997	4.2
1998	3.9
1999	3.6
2000	3.3
2001	3
2002	2.8
2003	2.5
2004	2.3
2005	2.1
2006	2
2007	1.9
2008	1.8
2009	1.7
2010	1.6
2011	1.5
2012	1.5
2013	1.4
2014	1.3
2015	1.3
2016	1.2
2017	1.2
2018	1.1
2019	1
2020	1
2021	0.9
2022	0.9