Year	% of female population
1960	0.607049833238602
1961	0.59939205248859
1962	0.589343733762372
1963	0.578262381008428
1964	0.567303686697055
1965	0.557550705196739
1966	0.550410823850012
1967	0.545624063508121
1968	0.542005687531229
1969	0.538463098790719
1970	0.533790379027635
1971	0.525488227967872
1972	0.512060836712958
1973	0.49540137136319
1974	0.477500185780356
1975	0.459899671753055
1976	0.444854375750568
1977	0.432732045559214
1978	0.423359703879392
1979	0.417778219880447
1980	0.417538880054424
1981	0.42184342751402
1982	0.428516004757632
1983	0.436552869474872
1984	0.445139912649859
1985	0.45391069795707
1986	0.463269743302536
1987	0.472908246643887
1988	0.482024662961256
1989	0.49061755989329
1990	0.498630719907672
1991	0.506414426962256
1992	0.513565765614155
1993	0.51924161685639
1994	0.522939099444045
1995	0.524666725321298
1996	0.524716165568055
1997	0.523954290795489
1998	0.522732959725762
1999	0.520803529625511
2000	0.518612275678435
2001	0.516269244302851
2002	0.514073585885926
2003	0.512380107502641
2004	0.511379313858652
2005	0.510977616710388
2006	0.509757209986225
2007	0.505951788146426
2008	0.499128516738835
2009	0.489490239118535
2010	0.479248091330759
2011	0.473734375823389
2012	0.47239387985855
2013	0.471982412394352
2014	0.473225575876877
2015	0.475566095254817
2016	0.476718806684442
2017	0.477672053670616
2018	0.480156271332402
2019	0.483221623489756
2020	0.485132474064506
2021	0.483685635151391
2022	0.482427458280688
2023	0.490207706710704