Year	% of female population
1960	0.334728793946407
1961	0.333425516120978
1962	0.332185645813331
1963	0.331675349387665
1964	0.332446535223732
1965	0.334336301141143
1966	0.337321080788338
1967	0.341660261534669
1968	0.346985450138959
1969	0.35268417642476
1970	0.358785705715955
1971	0.365179397013874
1972	0.372023090891847
1973	0.380706789483741
1974	0.39329447815164
1975	0.410055113159786
1976	0.43032468976121
1977	0.45346396040709
1978	0.477963402857945
1979	0.501792831285038
1980	0.523362092763332
1981	0.54219553070173
1982	0.558195261552286
1983	0.570860344596791
1984	0.581231178519274
1985	0.590844592139936
1986	0.599796531793021
1987	0.60829248078562
1988	0.616295813600319
1989	0.623347849417862
1990	0.629740608208883
1991	0.636138146957872
1992	0.64188587812183
1993	0.645978630906255
1994	0.646273988425172
1995	0.64198124085665
1996	0.633409456312947
1997	0.621503229688505
1998	0.608302439304078
1999	0.595424374073086
2000	0.58406935020994
2001	0.574341918043667
2002	0.566235703638438
2003	0.559044091073365
2004	0.551512526331533
2005	0.543119780207483
2006	0.534591815259971
2007	0.526143553796171
2008	0.51739515190272
2009	0.50867263998546
2010	0.500493791911963
2011	0.492799331527591
2012	0.485918014559123
2013	0.480370247886736
2014	0.47734228856489
2015	0.480523706243389
2016	0.488934938868004
2017	0.498431522548757
2018	0.506744446306091
2019	0.510508855588441
2020	0.502955490547466
2021	0.487318635852703
2022	0.473510184484871
2023	0.463496688231896