Year	% of total population ages 15+ (national estimate)
1970	57.033
1980	57.35
1982	64.84
1983	65.64
1984	65.27
1985	65.72
1986	66.12
1987	66.55
1988	66.57
1989	66.19
1990	66.54
1991	55.645
1992	65.92
1993	66.52
1995	64.75
1996	66.3
1997	65.61
1998	64.36
1999	64.29
2000	65.09
2001	64.93
2002	64.36
2003	65.23
2004	64.36
2005	63.26
2007	63.15
2008	62.97
2009	63.59
2010	60.43
2011	64.46
2012	64.21
2013	66.4
2014	67.65
2015	67.88
2016	67.73
2017	67.95
2018	68.29
2019	68.69
2020	68.44
2021	68.63
2022	69.26