Year	% of female population ages 15+ (national estimate)
1960	30.52
1966	29.81
1970	44.72
1978	35.59
1980	52.46
1983	54.55
1986	57.6
1987	58.4
1988	60.77
1989	61.27
1990	60.18
1991	58.21
1992	59.27
1994	60.99
1995	62.78
1996	61.45
1997	62.22
2003	63.93
2004	64.38
2009	62.14
2010	61.9
2011	63.04
2012	61.04
2013	62
2014	60.53
2015	60.81
2016	61.871
2017	60.507
2018	59.471
2019	59.029