Year	% of female population
1960	0.338228375183994
1961	0.325754363962996
1962	0.313900695867517
1963	0.302575523143493
1964	0.291725893552776
1965	0.281347385436486
1966	0.273652060260026
1967	0.271052926285815
1968	0.275127941246373
1969	0.290715343588149
1970	0.315896402457509
1971	0.341416438049922
1972	0.364113061944916
1973	0.384610310636916
1974	0.398875611847318
1975	0.407746791954256
1976	0.415756256257038
1977	0.423259766355043
1978	0.429930633740064
1979	0.436092802053065
1980	0.442911122550859
1981	0.450133311054389
1982	0.456986936711798
1983	0.463461305572268
1984	0.469516506584036
1985	0.476300150394156
1986	0.483590107594969
1987	0.489769040202099
1988	0.494763961093905
1989	0.498312022025329
1990	0.500226109547093
1991	0.500437420886968
1992	0.498770519402657
1993	0.495324033337072
1994	0.4906343007438
1995	0.485898609497084
1996	0.480390373937678
1997	0.47398006386365
1998	0.467000369390348
1999	0.459331886013496
2000	0.451580127018805
2001	0.443679764922998
2002	0.435361137549667
2003	0.426663177437282
2004	0.41784986340017
2005	0.408900267151593
2006	0.399689906826293
2007	0.390025432086088
2008	0.379822090444529
2009	0.368943665313823
2010	0.357315059083759
2011	0.3451681211592
2012	0.332757878513093
2013	0.320286059409144
2014	0.307909901560871
2015	0.295868087091951
2016	0.284609372972906
2017	0.274459482817575
2018	0.265546050694648
2019	0.259696262685924
2020	0.257684270667251
2021	0.258314854918167
2022	0.263929180390505
2023	0.276761566759679