Year	% of female population
1960	0.412240153542562
1961	0.403501422177144
1962	0.394780317626512
1963	0.388704221945106
1964	0.386740555463217
1965	0.386940177945198
1966	0.390248012377641
1967	0.395195141555774
1968	0.399765779181817
1969	0.40641418448677
1970	0.415280408114518
1971	0.427310481124895
1972	0.442376003157479
1973	0.459213167141901
1974	0.476707989908025
1975	0.494939911448451
1976	0.513948698745553
1977	0.533534705954876
1978	0.553706145894564
1979	0.576091307763387
1980	0.597556341874659
1981	0.618350246227536
1982	0.638558888033748
1983	0.655746143594965
1984	0.672477079786662
1985	0.687882195628214
1986	0.701290219021736
1987	0.715644805825908
1988	0.732474762791907
1989	0.746985437529597
1990	0.753948092358641
1991	0.757026864655663
1992	0.758448129455253
1993	0.755305591229598
1994	0.74920046038104
1995	0.742235302684026
1996	0.736170946062382
1997	0.733421020089261
1998	0.733120075381475
1999	0.73437564047523
2000	0.765698408153309
2001	0.832367329686931
2002	0.914794166146624
2003	1.016008154211
2004	1.1375049256853
2005	1.28083054949891
2006	1.44320583859471
2007	1.62815301301541
2008	1.83389306798149
2009	2.05162157049711
2010	2.1707221980139
2011	2.19302964242236
2012	2.21527720800483
2013	2.24206649141113
2014	2.27902264079425
2015	2.3040552958856
2016	2.32363829415768
2017	2.34988784065979
2018	2.35566399005282
2019	2.32868825330281
2020	2.26975537308592
2021	2.17538031094744
2022	2.07384010810122
2023	1.99809657632878