Year	% of total population ages 15+ (national estimate)
1960	52.08
1977	49.43
1979	49.38
1980	48.72
1981	49.34
1982	50.78
1983	51.022
1985	50.705
1986	51.33
1987	56.004
1988	55.716
1989	56.002
1990	57.118
1991	57.669
1992	58.022
1993	58.138
1994	58.885
1995	59.203
1996	59.709
1997	60.942
1998	61.69
1999	62.48
2000	63.534
2001	64.177
2002	64.878
2003	64.751
2004	64.904
2005	63.428
2006	63.528
2007	64.536
2008	65.247
2009	65.383
2010	64.82
2011	64.544
2012	65.006
2013	64.963
2014	64.362
2015	64.385
2016	64.077
2017	64.036
2018	64.261
2019	64.797
2020	64.527
2021	66.987
2022	67.899
2023	68.546