Year	% of total population ages 15+ (national estimate)
1962	49.38
1972	51.73
1983	53.79
1984	55.04
1987	61.79
1989	62.82
1990	57.49
1991	61.29
1992	61.77
1993	62.09
1994	62.46
1995	59.31
2000	58.1
2001	58.025
2002	58.715
2003	61.104
2004	59.343
2005	59.809
2006	59.268
2007	58.335
2008	58.33
2009	58.475
2010	59.228
2011	58.324
2012	58.497
2013	59.516
2014	59.713
2015	60.051
2016	59.252
2017	59.409
2018	58.666
2019	59.068
2020	71.521
2021	51.968
2022	54.864