Year	% of female population
1960	0.43552079151996526
1961	0.4241206810281196
1962	0.4142250545792925
1963	0.40623453513782776
1964	0.40014348468589506
1965	0.3954103878600507
1966	0.3919664035483243
1967	0.389509917322784
1968	0.38789886980628663
1969	0.38693213760032247
1970	0.3860887965170403
1971	0.38486370359946315
1972	0.38371150277694477
1973	0.3832739532004041
1974	0.38390093826453325
1975	0.38591161518413475
1976	0.38933255306880504
1977	0.393819912230615
1978	0.39877593817519824
1979	0.403719266622129
1980	0.40827988253628067
1981	0.4126121765805312
1982	0.4159896936076966
1983	0.41780619953978926
1984	0.41807658539505377
1985	0.4175243778180243
1986	0.41603388723239165
1987	0.4132843183360734
1988	0.4103469634066021
1989	0.4081521763429729
1990	0.406676697226879
1991	0.40580723359754106
1992	0.40504150874262096
1993	0.4053134563500308
1994	0.40616424886709396
1995	0.40594773472215734
1996	0.4052372076005831
1997	0.4046294663569374
1998	0.4045533514211326
1999	0.40549300181949705
2000	0.40799862147137467
2001	0.41123024782742174
2002	0.41427547363386075
2003	0.41793504909624435
2004	0.4225342866062065
2005	0.427443629978564
2006	0.43267571740796323
2007	0.43848885610508326
2008	0.4445560647512869
2009	0.4504144357539406
2010	0.45716786907043166
2011	0.46482989193036084
2012	0.4719707478711128
2013	0.4790694406098026
2014	0.48652139566692604
2015	0.49417881533151337
2016	0.5020030757179632
2017	0.5100307637231838
2018	0.5180593824061192
2019	0.5245882086814204
2020	0.5276046269885728
2021	0.5266973306077483
2022	0.526145250622424
2023	0.529517107011991