Year	% of total population ages 15+ (national estimate)
1963	54.49
1970	29.27
1971	56.9
1981	36.75
1985	58.39
1986	57.34
1990	61.45
1992	56.62
1993	56.72
1994	57.04
1995	54.88
1996	55.4
1997	55.24
1998	58.82
1999	57.31
2000	55.57
2001	48.8
2002	50.3
2003	55.63
2004	53.98
2005	54.26
2006	50.94
2007	55.52
2008	50.08
2009	52.29
2010	53.295
2011	52.867
2012	52.57
2013	52.053
2014	51.599
2015	53.669
2016	53.725
2017	53.991
2018	51.721
2019	52.249
2020	50.495
2021	49.836
2022	49.727