Year	% of total population ages 15+ (national estimate)
1991	66.11
1993	62.17
1994	59.892
1995	59.824
1996	60.148
1997	59.674
1998	59.022
1999	59.213
2000	59.599
2001	60.159
2002	59.803
2003	60.138
2004	60.053
2005	59.483
2006	59.154
2007	58.864
2008	59.316
2009	58.877
2010	59.012
2011	58.787
2012	59.215
2013	59.297
2014	59.705
2015	59.674
2016	60.076
2017	59.969
2018	59.814
2019	59.695
2020	59.035
2021	60.519
2022	61.535
2023	61.621