Year	% of female population ages 15+ (national estimate)
1960	27.2
1966	26.66
1970	24.78
1981	33.32
1983	32.994
1984	33.134
1985	34.925
1986	34.761
1987	35.612
1988	34.339
1989	34.529
1990	33.614
1991	35.88
1992	39.063
1993	37.562
1994	38.36
1995	35.865
1996	37.025
1997	38.141
1998	38.505
1999	40.72
2000	41.371
2001	42.385
2002	43.51
2003	43.657
2004	45.409
2005	46.35
2006	49.389
2007	50.372
2008	48.057
2009	49.882
2010	49.656
2011	50.316
2012	51.977
2013	52.589
2014	53.283
2015	55.263
2016	54.714
2017	54.965
2018	55.802
2019	55.818
2020	56.988
2021	58.015
2022	57.978
2023	58.229