Year	% of female population ages 15+ (national estimate)
1960	18.53
1990	40.8
1991	40.4
1992	46.91
1993	46.73
1994	47.94
1995	48.96
1996	56.41
1997	54.79
1998	54.6
1999	56.1
2000	56.69
2001	60.54
2002	56.36
2003	53.16
2004	54.76
2005	56.83
2006	58.85
2007	62.7
2008	64.26
2009	66.44
2010	66.03
2011	67.44
2012	66.76
2013	67.55
2014	68.1
2015	68.07
2016	67.31
2017	66.3
2018	67
2019	66.7
2020	66.8