Year	% of female population
1960	0.3780855665105491
1961	0.37513194195175664
1962	0.37202049109335694
1963	0.3687585808107843
1964	0.3656176101034883
1965	0.3625205136536131
1966	0.3593066402734144
1967	0.3563005730353464
1968	0.353640083567395
1969	0.3512047530802219
1970	0.34893520772603903
1971	0.3473884847792586
1972	0.34640743418671016
1973	0.3458348091159242
1974	0.34573704768359215
1975	0.34573463330660614
1976	0.3461807055568941
1977	0.3471405887356273
1978	0.34960647060571814
1979	0.3534301276083917
1980	0.3573626980201516
1981	0.361349113108812
1982	0.36532975254493083
1983	0.3684682779464909
1984	0.37071569433649687
1985	0.372669652356277
1986	0.3749577580113035
1987	0.38134968138859066
1988	0.3858805469600279
1989	0.3856981714544555
1990	0.3862065484970919
1991	0.3882653559127513
1992	0.3903641597357377
1993	0.39140479071485146
1994	0.3937925042634138
1995	0.3960250038942502
1996	0.3977436021610036
1997	0.40153387084253894
1998	0.4069415720669448
1999	0.4145597403214846
2000	0.42445312285513226
2001	0.4341405989551175
2002	0.44293516725186544
2003	0.45099867504300456
2004	0.4595286940705362
2005	0.4689411460921978
2006	0.47819188264037304
2007	0.4866673077514947
2008	0.49322842226854274
2009	0.4983236461035054
2010	0.5038557932242583
2011	0.5097646977946045
2012	0.5141570051450831
2013	0.5167644972815397
2014	0.5187836815421157
2015	0.5204153403082801
2016	0.5234060648611685
2017	0.5281657265773014
2018	0.5334866131096799
2019	0.5385877496473771
2020	0.5413348586297417
2021	0.5379851502602045
2022	0.5308317306206269
2023	0.5278488510441594