Year	% of female population
1960	0.3576548682824927
1961	0.3568225285645425
1962	0.3567676973881367
1963	0.35644512797399597
1964	0.3560086703600746
1965	0.35531648226409107
1966	0.35428764329259316
1967	0.3531162899660475
1968	0.35209234853118476
1969	0.35114085823297175
1970	0.3498704440401864
1971	0.3483292114205178
1972	0.3470091658357291
1973	0.34640489789132306
1974	0.34645617060606665
1975	0.34691248291428395
1976	0.3491449889356465
1977	0.35277777228013246
1978	0.3568228632233807
1979	0.36090955887651577
1980	0.3629828217133906
1981	0.36363553732381887
1982	0.36489178695778257
1983	0.3659985297737431
1984	0.36671102233225306
1985	0.36771765442763166
1986	0.36914740536675716
1987	0.3737043698599456
1988	0.3787425966207198
1989	0.3808317934629551
1990	0.3823631080361161
1991	0.3845635506835199
1992	0.3863259811556226
1993	0.38728697866693695
1994	0.3888550345102656
1995	0.39019905570852637
1996	0.391243800884958
1997	0.39344871863017056
1998	0.3963392397378866
1999	0.40028959583356144
2000	0.40567987131145816
2001	0.41102749671770533
2002	0.4160841910398365
2003	0.42096382601816473
2004	0.4261205137451701
2005	0.4318701350263749
2006	0.43759508596082686
2007	0.44291279299092157
2008	0.4471881662589362
2009	0.4507548912695134
2010	0.4546287386114248
2011	0.4584573244624679
2012	0.4611954908612087
2013	0.46272987320180653
2014	0.46381373298935274
2015	0.46475828259281304
2016	0.46656555547500145
2017	0.46958874360418984
2018	0.4731078734021964
2019	0.476530174939076
2020	0.47771568744045456
2021	0.47385817158495036
2022	0.4679626446163187
2023	0.4658984130700028