Year	% of total population ages 15+ (national estimate)
1979	56.851737981887496
1980	58.14289897604838
1981	59.623100402426566
1983	59.76145260551733
1984	60.04555420461097
1985	59.94066220044659
1986	59.905447969856155
1987	60.33371044071922
1988	59.3165527322055
1989	61.12013541552785
1990	60.153809847946086
1991	61.01555436034986
1992	61.30841746309475
1993	61.24016436203075
1994	61.11876566605831
1995	60.99015331384877
1996	60.6049689524886
1997	60.8892402326957
1998	60.84979459095898
1999	60.85474583113813
2000	60.86147442540544
2001	60.76980725181822
2002	60.50736056225717
2003	60.456311025174884
2004	60.292752056275695
2005	60.47588563602824
2006	60.54431689911724
2007	60.665837535770535
2008	60.78210573523531
2009	60.69679288273698
2010	60.563819054352706
2011	60.526390198018014
2012	60.60894313801755
2013	60.55073132415848
2014	60.47101109192451
2015	60.48044911426741
2016	60.662047269903056
2017	60.8045020344712
2018	60.97164931068833
2019	61.13833341546609
2020	59.66717092115191
2021	60.322497050804685
2022	60.90555427580148
2023	60.889241455111815