Year	% of female population
1960	0.269543942367556
1961	0.278283897434509
1962	0.289332775169041
1963	0.299068414812215
1964	0.309922143976383
1965	0.325271780241631
1966	0.341956308437397
1967	0.360995833697395
1968	0.380784443997677
1969	0.398661412502536
1970	0.416086195523146
1971	0.433749336391646
1972	0.451343034787829
1973	0.471007083511778
1974	0.491215247803204
1975	0.51497098439929
1976	0.536704429249777
1977	0.557421578974074
1978	0.582543639290139
1979	0.603151244996559
1980	0.622284549257987
1981	0.646927831322856
1982	0.676000912921852
1983	0.705110226014948
1984	0.736106934220737
1985	0.771180251223912
1986	0.809678392877075
1987	0.852773519419003
1988	0.898475516861801
1989	0.946608506563094
1990	0.997527058607399
1991	1.05327679145033
1992	1.11128359895379
1993	1.16409655859354
1994	1.21425172388428
1995	1.26548459943762
1996	1.3164600538079
1997	1.37484432839792
1998	1.43581138184135
1999	1.4980080088314
2000	1.58539270958603
2001	1.69201363344142
2002	1.8090939725519
2003	1.93328713420138
2004	2.06643787522632
2005	2.21562966943364
2006	2.3770336582195
2007	2.54026457583904
2008	2.70135079157062
2009	2.85694035548761
2010	2.98914469396771
2011	3.1044751139608
2012	3.20574288367659
2013	3.29644369899015
2014	3.38228679278862
2015	3.46247674412406
2016	3.5346900982551
2017	3.58032627028694
2018	3.60518656257137
2019	3.62781878535499
2020	3.64073010479655
2021	3.6465069891384
2022	3.67592724576997
2023	3.75030239847502