Year	% of female population
1960	0.321495954835164
1961	0.305142459435583
1962	0.288801346342487
1963	0.274800279507066
1964	0.266389679234156
1965	0.263868063950599
1966	0.265896193288637
1967	0.271178321291531
1968	0.277038514354666
1969	0.280186414691065
1970	0.279996019799916
1971	0.277375424687743
1972	0.272341805300323
1973	0.267302909598237
1974	0.266978108243525
1975	0.272337353643058
1976	0.282939882058043
1977	0.299462162065759
1978	0.318614293799446
1979	0.33499282687747
1980	0.347870331195783
1981	0.357484519279503
1982	0.363810611473271
1983	0.370593514634788
1984	0.383976968150459
1985	0.405460114763451
1986	0.434298686285252
1987	0.470042214957036
1988	0.507305388986476
1989	0.5391135236589
1990	0.563132796204276
1991	0.579825444415768
1992	0.590238176778532
1993	0.597774529612087
1994	0.607152693282923
1995	0.620243164782673
1996	0.635373970982286
1997	0.651292311045568
1998	0.666258868075143
1999	0.678696336491457
2000	0.69736130002755
2001	0.725819689081948
2002	0.758490209381846
2003	0.794852801529656
2004	0.83477089518967
2005	0.878033377227164
2006	0.922964436596383
2007	0.965798304302795
2008	1.00323521879113
2009	1.03466308942751
2010	1.03887717848921
2011	1.02445347971459
2012	1.01891554223322
2013	1.01996781370415
2014	1.02727820232781
2015	1.04150395061888
2016	1.0633162173511
2017	1.09264319277882
2018	1.12815208378588
2019	1.16759245809907
2020	1.21044262176078
2021	1.24817585491521
2022	1.28993722670636
2023	1.34498694832528