Year	% of population ages 15-49
1990	1.2
1991	1.5
1992	1.7
1993	1.9
1994	2
1995	2.1
1996	2.1
1997	2.2
1998	2.2
1999	2.2
2000	2.2
2001	2.2
2002	2.1
2003	2.1
2004	2
2005	1.9
2006	1.9
2007	1.8
2008	1.7
2009	1.7
2010	1.6
2011	1.5
2012	1.5
2013	1.4
2014	1.4
2015	1.3
2016	1.2
2017	1.2
2018	1.1
2019	1.1
2020	1.1
2021	1
2022	1