Year	% of total population ages 15+ (national estimate)
1991	63.02
1993	69.4
1994	67.4
1995	67.8
1996	67.3
1997	68.6
1998	68
1999	69.5
2000	69
2001	64.15
2003	68.66
2004	67.2
2005	68.2
2006	65.6
2007	66
2008	58.93
2009	63.58
2011	67.07
2012	69.03
2013	69.25
2017	69.369
2018	69.88
2019	68.799
2020	53.739
2021	65.5
2022	69.156