Year	% of female population
1960	20.3024065281022
1961	20.2107582667885
1962	20.0694924260664
1963	19.8825267585753
1964	19.6585853810331
1965	19.4079190873829
1966	19.1457664341459
1967	18.8688568083517
1968	18.5601688931487
1969	18.2322061914089
1970	17.9119153681793
1971	17.5866513345539
1972	17.2645787764146
1973	16.9837831231649
1974	16.7213168639819
1975	16.4471952955601
1976	16.1715476229485
1977	15.9001040273278
1978	15.6269655803132
1979	15.3702846950812
1980	15.1501013952892
1981	14.9467724854642
1982	14.7490229258239
1983	14.5803628090413
1984	14.4335104876554
1985	14.2835665981603
1986	14.1398004562555
1987	14.011486986107
1988	13.8902274043838
1989	13.7892437030946
1990	13.7166336606534
1991	13.647484527187
1992	13.5607371471712
1993	13.4398447535262
1994	13.2786836532859
1995	13.0806140118775
1996	12.8536366217964
1997	12.5998361258573
1998	12.314929941252
1999	12.0332118675177
2000	11.7958405643732
2001	11.5932574939721
2002	11.4116836469057
2003	11.2563732541836
2004	11.0979431275526
2005	10.9078119768333
2006	10.6957919542018
2007	10.4892092659058
2008	10.3250125143093
2009	10.2194781335021
2010	10.1587287789808
2011	10.1317070058818
2012	10.1139916451377
2013	10.0653429910727
2014	9.97206242961893
2015	9.84975076332727
2016	9.71559592726546
2017	9.58086788507453
2018	9.45180050654978
2019	9.31675956544373
2020	9.16162959872585
2021	8.99696512604663
2022	8.83460976686368
2023	8.66348723911526