Year	% of population ages 15-49
1990	9.3
1991	9.4
1992	9.4
1993	9.2
1994	9
1995	8.8
1996	8.6
1997	8.3
1998	8
1999	7.7
2000	7.5
2001	7.2
2002	7
2003	6.8
2004	6.7
2005	6.6
2006	6.5
2007	6.4
2008	6.4
2009	6.3
2010	6.3
2011	6.3
2012	6.2
2013	6.2
2014	6.1
2015	6
2016	5.9
2017	5.8
2018	5.7
2019	5.5
2020	5.4
2021	5.2
2022	5.1