Year	% of female population
1960	0.382231510689466
1961	0.38064709865124
1962	0.379498801154397
1963	0.37827161114159
1964	0.376438787005274
1965	0.373188462405503
1966	0.368565697855112
1967	0.36307312105911
1968	0.357228778167776
1969	0.351485509538682
1970	0.345852641944328
1971	0.340338001321433
1972	0.334636837559902
1973	0.328777314734233
1974	0.322779572632656
1975	0.316570698704333
1976	0.309556716473845
1977	0.30083372344711
1978	0.291063794169568
1979	0.28144725438837
1980	0.273493412632243
1981	0.266920192200035
1982	0.261134911613123
1983	0.256547588418042
1984	0.253275236443654
1985	0.251675013568067
1986	0.252583996274972
1987	0.255563501508641
1988	0.259498538882944
1989	0.264185558397144
1990	0.269284180605765
1991	0.274967180304458
1992	0.281083600964772
1993	0.287264885408261
1994	0.293464321640143
1995	0.299539394151924
1996	0.30542925873771
1997	0.311200032162934
1998	0.316713114770174
1999	0.321383491844749
2000	0.325061332741039
2001	0.3277419452836
2002	0.329506154045717
2003	0.330512942682724
2004	0.331029548393977
2005	0.331266323257623
2006	0.331317988634713
2007	0.331215814107042
2008	0.331072197620957
2009	0.330993932009531
2010	0.330753917961489
2011	0.329687999933021
2012	0.327226776680946
2013	0.323359825915723
2014	0.318538949593848
2015	0.313997502573475
2016	0.311727287596588
2017	0.311127838414252
2018	0.310705629812111
2019	0.310649182928504
2020	0.309777698555289
2021	0.305247628213934
2022	0.299375310466042
2023	0.299067077205411