Year	% of total population ages 15+ (national estimate)
1960	56.57
1970	58.58
1979	57.6
1980	51.61
1983	56.07
1984	56.06
1985	56.91
1986	55.57
1988	56.94
1989	57.99
1990	54.76
1991	57.35
1993	60.36
1994	60.66
1995	61.74
1997	61.48
1998	60.72
1999	61.24
2000	58.8
2001	57.4
2002	62.67
2003	62.77
2004	63.12
2005	63.27
2006	62.31
2007	62.17
2008	63.68
2009	64.15
2010	63.069
2011	61.489
2012	63.135
2013	63.871
2014	63.767
2015	63.702
2016	63.948
2017	63.529
2018	64.911
2019	66.05
2020	62.977
2021	59.643
2022	62.939
2023	61.882