Year	% of female population
1960	0.55549758252461
1961	0.557016598404829
1962	0.544159810786207
1963	0.534482178317795
1964	0.525913872713943
1965	0.52075152540325
1966	0.521646044329453
1967	0.525991597976316
1968	0.530894172380269
1969	0.533687332487544
1970	0.535505122621342
1971	0.536656644001211
1972	0.537569749798597
1973	0.54089887676962
1974	0.552062230187039
1975	0.569541388797933
1976	0.590265494121022
1977	0.615169923051494
1978	0.644773335296861
1979	0.671147315173249
1980	0.714254677240736
1981	0.775471358149033
1982	0.831171900118495
1983	0.881027724093682
1984	0.924233124110362
1985	0.960650366361645
1986	0.991009813097063
1987	1.01590652946349
1988	1.03463271881356
1989	1.04864002114563
1990	1.05835935787996
1991	1.02970308675677
1992	0.969124226010247
1993	0.913637805498794
1994	0.861903935506148
1995	0.814591076850306
1996	0.770544357821269
1997	0.727641740733249
1998	0.686881437968492
1999	0.649262980206817
2000	0.615312435112435
2001	0.584950542691611
2002	0.558206994483235
2003	0.534562034067935
2004	0.514078569490217
2005	0.496954901927428
2006	0.482206190204322
2007	0.469523502841107
2008	0.458422953934517
2009	0.448615628800263
2010	0.440055643968752
2011	0.432552290379327
2012	0.425253419295473
2013	0.418179396760876
2014	0.41095488468097
2015	0.404081309258656
2016	0.397911234442836
2017	0.39180121618788
2018	0.386154573491019
2019	0.380690329143937
2020	0.372837639612151
2021	0.361521985999109
2022	0.350049802689392
2023	0.342982708874126