Year	% of female population
1960	0.4437820202995186
1961	0.4390664285541477
1962	0.4381733380271016
1963	0.44092179394705183
1964	0.4461250811630595
1965	0.4543931013561175
1966	0.4657069781298891
1967	0.4783137665485797
1968	0.4905460919727791
1969	0.5009552678359022
1970	0.5093558975627218
1971	0.5207093290200101
1972	0.5365430382941364
1973	0.5526782924751684
1974	0.5690832226271345
1975	0.5881303277997064
1976	0.6099898566081129
1977	0.6333312988433011
1978	0.6566566515369778
1979	0.6794728395269947
1980	0.6980855280958939
1981	0.7109625536758042
1982	0.723014083874379
1983	0.7360934103686105
1984	0.7498833184288551
1985	0.765180590351249
1986	0.7825476427361107
1987	0.8016736777699454
1988	0.8218571747399244
1989	0.8435556169617838
1990	0.8654797898305501
1991	0.887197506909206
1992	0.909799476791343
1993	0.9335892620313718
1994	0.9596118531770575
1995	0.9865623609418115
1996	1.012785385855028
1997	1.038210049462616
1998	1.06354261260908
1999	1.0908360491246163
2000	1.1218984325751946
2001	1.1575359526229259
2002	1.1969821549782356
2003	1.237963838728631
2004	1.281111733785298
2005	1.3280240788235786
2006	1.377968681076122
2007	1.4282677077606056
2008	1.4783358906228377
2009	1.5275985887653898
2010	1.5721750533508358
2011	1.6185531514737475
2012	1.6666768797746034
2013	1.713570134856514
2014	1.7589086645260283
2015	1.8022383639621324
2016	1.843467543913687
2017	1.8852630797017005
2018	1.929859411746193
2019	1.9721282651081677
2020	2.0051932281566134
2021	2.030569676576315
2022	2.0607524522716734
2023	2.108409570676722