Year	% of total population ages 15+ (national estimate)
1964	46.16
1971	47.41
1981	60.78
1985	70.28
1991	57.38
1994	60.6
1996	52.375
1998	57.85
2000	57.44
2001	55.04
2003	53.5
2006	58.852
2009	62.186
2010	59.13
2013	69.58
2019	63.895
2020	66.288
2021	64.18
2022	64.604
2023	67.828