Year	% of total population ages 15+ (national estimate)
1960	53.944782126636156
1970	51.23072115434215
1980	54.606033297610985
1987	58.15356773252665
1988	53.656617060158275
1989	61.428616895775505
1990	58.599170429795706
1991	60.873643540620996
1992	63.31758913265112
1993	63.44036260309251
1995	63.858169404307176
1996	61.44302816727687
1997	64.81347580737793
1998	64.71646473065778
1999	64.48270897007362
2001	64.71613558342459
2002	64.87618811483684
2003	64.51327881032165
2004	65.03039802196867
2005	65.43500436574055
2006	65.41215664610672
2007	64.44914988527299
2008	65.03097685991233
2009	65.23437013072002
2011	64.2156042482589
2012	64.20565620186885
2013	64.02686612263909
2014	63.45036656455663
2015	63.89947519428889
2016	63.872620778453964
2017	63.64791307231448
2018	63.81870971475559
2019	64.14268188429064
2020	59.94173560636394
2021	62.61016965617897
2022	63.32909847304924
2023	62.89319996979571