Year	% of female population
1960	0.980334734634871
1961	0.964908206899754
1962	0.94761513283871
1963	0.929301806938244
1964	0.910790089381933
1965	0.892510882154241
1966	0.874888791492968
1967	0.858256014724076
1968	0.842443395112859
1969	0.827082921160911
1970	0.812290477411315
1971	0.797745730260549
1972	0.782944085084494
1973	0.768714992485101
1974	0.756498006749955
1975	0.746650675508836
1976	0.739573018489463
1977	0.735762307305278
1978	0.733941279495888
1979	0.732276693401723
1980	0.730562574610423
1981	0.728376276739267
1982	0.725312432601706
1983	0.723835745491852
1984	0.727875140716857
1985	0.738730636871295
1986	0.757533715879139
1987	0.784870411172132
1988	0.816978505447429
1989	0.847668050979322
1990	0.873717897788008
1991	0.893809830510224
1992	0.906772240764861
1993	0.914756624607297
1994	0.922421330601358
1995	0.932195765531092
1996	0.943791423405847
1997	0.957850323455214
1998	0.974246673611475
1999	0.991749596946372
2000	1.00970614398803
2001	1.02846391417881
2002	1.04811742874872
2003	1.06807838416988
2004	1.08750784950494
2005	1.10588058391821
2006	1.12342953442534
2007	1.14056300495943
2008	1.15754817179963
2009	1.17482908226329
2010	1.19351470677169
2011	1.21395721874577
2012	1.23624460321222
2013	1.26197411197802
2014	1.29280252091728
2015	1.32740638226006
2016	1.36347492798717
2017	1.4002645141776
2018	1.43437815603666
2019	1.46786286453303
2020	1.49200185600926
2021	1.50934767830756
2022	1.5425561293989
2023	1.59799213473799