Year	% of female population ages 15+ (national estimate)
1961	20.22
1971	22.64
1975	17.31
1977	29.95
1979	29.86
1981	29.64
1982	29.1
1983	29.21
1984	30.96
1985	30.69
1986	30.88
1987	31.35
1988	32.14
1989	34.83
1990	37.29
1991	38.83
1992	37.94
1993	36.17
1994	37.3
1995	41.18
1996	43.3
1997	46.19
1998	47.6
2001	52.5
2002	54.73
2005	49.326
2006	49.907
2007	49.614
2008	49.623
2009	49.894
2010	49.488
2011	49.531
2012	49.38
2016	47.745
2017	53.637
2020	47.25