Year	% of female population
1960	0.50099478306364
1961	0.496340175357949
1962	0.490752901656179
1963	0.484507548971816
1964	0.477714250626937
1965	0.471591942324897
1966	0.466000727145275
1967	0.460064409017262
1968	0.455362736284217
1969	0.454649879010018
1970	0.458806623942937
1971	0.467022998350697
1972	0.478389762632724
1973	0.491175771751348
1974	0.503069134507747
1975	0.513041751598933
1976	0.521909497903698
1977	0.530017139561247
1978	0.536749763241118
1979	0.541572092910869
1980	0.544337468851149
1981	0.54471862488224
1982	0.542575648930679
1983	0.53871985271101
1984	0.534759598315377
1985	0.531409539860577
1986	0.5285076556468
1987	0.526437350265337
1988	0.524796655244971
1989	0.522388908506136
1990	0.518975159043515
1991	0.514514080392242
1992	0.508930531909245
1993	0.502847134237906
1994	0.497069071624313
1995	0.491619613442654
1996	0.486365675462629
1997	0.481146214824605
1998	0.475375411851922
1999	0.467842910296159
2000	0.458196805062979
2001	0.446792812424724
2002	0.434468090277305
2003	0.422047977283375
2004	0.410353157513542
2005	0.399720864566605
2006	0.390084949572965
2007	0.381627200762121
2008	0.373986743438335
2009	0.366807899273272
2010	0.360181056913005
2011	0.354503996029037
2012	0.34971858561728
2013	0.345690507684504
2014	0.342363164668407
2015	0.33985049391108
2016	0.338162956495307
2017	0.337335805787871
2018	0.337660682895601
2019	0.33933575182259
2020	0.341132065397368
2021	0.340922419747284
2022	0.339446627047466
2023	0.338042598338182