Year	% of female population ages 15+ (national estimate)
1960	23.23
1970	26.49
1977	29
1978	29.39
1979	29.74
1980	27.36
1983	27.85
1985	28.04
1987	28.18
1989	29.07
1990	29.11
1991	39.6
1992	35.2
1993	37.9
1994	36.8
1995	41.33
1996	44.5
1997	44.5
1998	45.5
1999	46.8
2000	44.11
2001	43.2
2002	45.6
2003	48.97
2004	50.312
2005	49.476
2006	50.104
2007	48.9
2008	48.422
2009	49.131
2010	48.048
2011	48.239
2012	48.382
2013	47.961
2014	47.712
2017	48.009
2018	49.523
2019	50.302
2020	46.806
2021	50.48
2022	52.079
2023	53.163