Year	% of total population ages 15+ (national estimate)
1961	48.89
1966	54.21
1971	50.66
1976	47.52
1981	47.35
1991	59.63
2001	50.51
2006	49.78
2011	41.34
2012	32.201
2014	33.34
2017	54.014
2022	43.801