Year	% of female population
1960	0.370358246783916
1961	0.369355360896667
1962	0.369000412960751
1963	0.369276218611521
1964	0.371563041862769
1965	0.375611745513866
1966	0.380070075420156
1967	0.384108656656795
1968	0.387738379022646
1969	0.390596797250661
1970	0.392398245749019
1971	0.393291350639056
1972	0.393696912431964
1973	0.394887744501593
1974	0.39678145646477
1975	0.399293717600188
1976	0.402612224194776
1977	0.405804538874959
1978	0.409941140116748
1979	0.415286730674802
1980	0.420781125538936
1981	0.425667401420524
1982	0.430490293796573
1983	0.436106689729411
1984	0.441535562567596
1985	0.447695342238217
1986	0.454681838114801
1987	0.46201085694971
1988	0.469529975782138
1989	0.477796298999086
1990	0.487534046065238
1991	0.497651306196952
1992	0.508977182795084
1993	0.521811688661675
1994	0.533908147876619
1995	0.547401122722849
1996	0.562508192802671
1997	0.578787385539022
1998	0.595460173032411
1999	0.626791286311576
2000	0.671886328419317
2001	0.717098474447385
2002	0.763671215495806
2003	0.811600602845955
2004	0.85979878377136
2005	0.900681321838617
2006	0.932322309868297
2007	0.96300170080046
2008	0.995796559693506
2009	1.02923549950492
2010	1.06182461711889
2011	1.09003092116302
2012	1.1124526848347
2013	1.129363148794
2014	1.14097940349458
2015	1.15028383627129
2016	1.16083354455795
2017	1.16743159404091
2018	1.17353489972501
2019	1.18507808944488
2020	1.19678269119812
2021	1.20510745780689
2022	1.20846618275558
2023	1.21178734930104