Year	% of female population
1960	0.3270473012214124
1961	0.32746266182751743
1962	0.3282622125302384
1963	0.3290387238372893
1964	0.3295670533802783
1965	0.32945863170637035
1966	0.3286758032050485
1967	0.32761853342830916
1968	0.32668467251479416
1969	0.326048110200318
1970	0.3256344009584253
1971	0.3257091214310394
1972	0.3261663867806909
1973	0.32711216686076483
1974	0.32860671365325644
1975	0.330080861943755
1976	0.3319561820085176
1977	0.3340179574518508
1978	0.3369699730048549
1979	0.34108438107873174
1980	0.34549661171344437
1981	0.35035552242839374
1982	0.35530139171098013
1983	0.3591674852327811
1984	0.3620320833289267
1985	0.3650310718964981
1986	0.3684956072053914
1987	0.3760391505325145
1988	0.38132927524710725
1989	0.38102645409578084
1990	0.3814706253805637
1991	0.3829388474333798
1992	0.3830281682322304
1993	0.3817147455849796
1994	0.38220126565666707
1995	0.38264891061920725
1996	0.3823681392766685
1997	0.3842522494332838
1998	0.3880758585415216
1999	0.39435356158994694
2000	0.40322942991667504
2001	0.41212491978972976
2002	0.4195979492057991
2003	0.42610892753230695
2004	0.43266655423939604
2005	0.439247314149084
2006	0.4451699281423715
2007	0.44976062477069784
2008	0.4531725798566271
2009	0.4571834692678623
2010	0.46199167475002023
2011	0.4670967009393395
2012	0.4711779696107148
2013	0.4746209019162083
2014	0.47857873134332357
2015	0.48308605431020035
2016	0.4887478343639528
2017	0.49546845009811774
2018	0.5026556537794324
2019	0.5092186133455842
2020	0.513226765449089
2021	0.5131674810881686
2022	0.5120340198222004
2023	0.5132382059740773