Year	% of total population ages 15+ (national estimate)
1961	60.97
1966	61.85
1971	61.04
1978	47.1
1979	47.13
1980	47.05
1981	59.63
1983	58.941
1984	59.79
1985	61.046
1986	61.063
1987	61.461
1988	61.949
1989	62.885
1990	63.023
1991	62.657
1992	62.387
1993	61.887
1994	61.741
1995	61.573
1996	61.685
1997	61.861
1998	61.757
1999	61.672
2000	61.91
2001	61.546
2002	61.791
2003	61.874
2004	61.882
2005	62.096
2006	62.508
2007	62.331
2008	62.555
2009	62.329
2010	62.103
2011	62.097
2012	62.277
2013	62.32
2014	62.462
2015	62.547
2016	62.694
2017	62.663
2018	62.876
2019	62.912
2020	62.8
2021	62.171
2022	62.193
2023	62.2