Year	% of total population ages 15+ (national estimate)
1961	63.469495914901245
1981	56.87036981487358
1991	58.60976631483401
1994	53.85476053717191
2000	57.85268816178819
2001	59.61782464831647
2005	58.037779634005254
2010	57.308742865218626
2012	54.753617021577995
2018	50.816420476928386
2019	53.39791649530763
2020	53.00911696581176
2021	53.373160427369356
2022	55.82366546362343