Year	% of total population ages 15+ (national estimate)
1964	81.42
1970	57.2
1975	68.93
1978	77.68
1988	65.91
1995	46.3
1998	65.17
2012	67.269
2013	75.348
2016	66.829
2017	56.062
2019	64.684
2022	67.013