Year	% of female population
1960	3.9197244430451486
1961	3.9461493825873553
1962	3.9636794081891713
1963	3.981680713276837
1964	3.9880567446933948
1965	3.9467596470071955
1966	3.848751614877408
1967	3.722802537057312
1968	3.6157083165287394
1969	3.5439715924825714
1970	3.499313885359913
1971	3.5191299595045034
1972	3.58420115458754
1973	3.650199071715442
1974	3.697245591525935
1975	3.7453922242210513
1976	3.7834219052520517
1977	3.7970837204264027
1978	3.7926090749635093
1979	3.7696331072998905
1980	3.735145474948376
1981	3.6807568062284926
1982	3.602070100882845
1983	3.506114922793991
1984	3.4040530774392046
1985	3.332682675953682
1986	3.3126303460250237
1987	3.3444301446630673
1988	3.4108466237766253
1989	3.472615366807029
1990	3.486546223949837
1991	3.4633048743134442
1992	3.390424369978849
1993	3.2822156490504715
1994	3.1844696779518236
1995	3.1085997580109277
1996	3.064101431373482
1997	3.0580072680605928
1998	3.079117951408775
1999	3.1178035052719877
2000	3.1685337924737467
2001	3.211332668124082
2002	3.2409886933827865
2003	3.268116468277872
2004	3.287768994155212
2005	3.297221931627154
2006	3.3015313307701324
2007	3.3036728203472774
2008	3.3071648549888053
2009	3.3131959591091142
2010	3.3221289520303463
2011	3.3323673399690668
2012	3.3427961361604432
2013	3.3545052914135725
2014	3.3589547188484237
2015	3.356750385947741
2016	3.353666925284507
2017	3.352200760165954
2018	3.353191309551724
2019	3.3597152943291646
2020	3.3729465401835053
2021	3.3903731432804665
2022	3.4051269268747553
2023	3.4329995324921705