Year	% of total population ages 15+ (national estimate)
1961	53.3
1975	80.5
1977	47.94
1979	59.63
1986	59.82
1992	72.16
1996	58.89
2001	67.68
2002	71.75
2003	77.36
2010	75.31
2011	71.88
2019	75.095
2022	75.784