Year	% of total population ages 15+ (national estimate)
1960	53.32
1970	27.62
1994	56.07
1996	34.1
1997	58.9
1998	58.7
1999	59.3
2005	38.2
2012	67.42
2013	62.631
2014	63.492
2015	63.489
2016	64.25
2017	64.034
2019	69.726
2021	61.821