Year	% of total population ages 15+ (national estimate)
1962	55.05
1974	51.46
1980	57.64
1981	57.46
1982	48.59
1987	33.66
1988	55.54
1989	55.52
1990	54.49
1996	63.48
1997	64.25
1998	66.38
2000	63.449
2001	69.345
2002	66.63
2003	65.335
2004	67.468
2005	66.977
2006	67.949
2007	66.767
2008	66.549
2009	64.013
2010	62.684
2011	61.78
2012	62.452
2013	62.261
2014	62.619
2015	65.658
2016	67.669
2017	68.154
2018	66.661
2019	66.179
2020	59.926
2021	64.99
2022	64.985
2023	64.489