Year	% of female population
1960	0.3422768489724416
1961	0.34121976622821204
1962	0.3415849379043482
1963	0.3419152894137641
1964	0.3421494938402493
1965	0.34193553689549055
1966	0.3412993804049579
1967	0.3405914765489696
1968	0.33988100160725804
1969	0.33883194700501446
1970	0.33708581073461313
1971	0.3344136527923045
1972	0.3314667188119402
1973	0.3294058225072342
1974	0.3283224474636264
1975	0.3280855510233636
1976	0.33022898166448383
1977	0.3336584734613998
1978	0.33724079174546506
1979	0.3411939705033422
1980	0.34305372375350046
1981	0.34359068783779667
1982	0.34520282603016533
1983	0.3466522221995966
1984	0.34761795079855384
1985	0.34913711297320155
1986	0.35121052362072935
1987	0.3574568630494955
1988	0.36391109564887675
1989	0.36563919449967563
1990	0.3666034031416443
1991	0.36835105497241777
1992	0.36888921478688186
1993	0.36876993031940225
1994	0.37024040518059503
1995	0.3716406576783725
1996	0.37238798688546343
1997	0.3739901659071431
1998	0.37624509870391665
1999	0.3799033637076302
2000	0.3854834773799605
2001	0.3905353259465088
2002	0.39440327499186406
2003	0.3976021191621524
2004	0.4006320495803894
2005	0.4039890033904242
2006	0.4072170811030065
2007	0.4097774517666934
2008	0.41132421788238416
2009	0.4125811483882183
2010	0.4139778681935946
2011	0.41567012651654967
2012	0.4166497122702349
2013	0.4164966584011333
2014	0.41655347474757387
2015	0.4168425019048131
2016	0.4176550293344577
2017	0.419438719126072
2018	0.4219278381469043
2019	0.4247162832571323
2020	0.4252930418552123
2021	0.42204740747018765
2022	0.41822658803081353
2023	0.41793071777156293