Year	% of total population ages 15+ (national estimate)
1969	28.45
1980	58.76
1990	46.61
1991	62.9
1996	66.7
1998	62
2000	55.7
2005	79.63
2008	74.51
2010	62.3
2012	74.58
2015	50.744
2017	45.307
2018	58.481
2019	59.539
2020	60.872
2021	60.119
2022	59.532