Year	% of total population ages 15+ (national estimate)
1960	47.2
1971	45.57
1982	47.989
1990	49.59
1994	49.927
1995	51.96
1998	48.08
1999	54.38
2000	53.4
2001	51.27
2002	50.69
2003	51.92
2004	52.61
2005	52.1
2006	35.95
2007	52.27
2008	50.59
2009	36.51
2010	49.61
2011	49.16
2012	48.41
2013	48.31
2014	48.06
2015	47.47
2016	46.55
2017	45.5
2021	45.3
2022	44.3