Year	% of female population
1960	0.859317894136314
1961	0.833462219243525
1962	0.808576209964707
1963	0.794323067333664
1964	0.79888957433683
1965	0.819086197652946
1966	0.847933432186919
1967	0.887421462504005
1968	0.916428224369703
1969	0.932620769150162
1970	0.949551882600858
1971	0.957031729282717
1972	0.961812144212524
1973	0.977725754811168
1974	1.00641660086963
1975	1.03521233187245
1976	1.07089290022131
1977	1.11695942224126
1978	1.16314874596474
1979	1.22812107146311
1980	1.28188222883623
1981	1.32915406605326
1982	1.38812768977817
1983	1.43761540490636
1984	1.46814428284811
1985	1.49496756122871
1986	1.51659238065311
1987	1.53062879008983
1988	1.56889549439283
1989	1.64397236129958
1990	1.7403139599789
1991	1.84536899899765
1992	1.95163001719659
1993	2.01328337142571
1994	2.02676139395131
1995	2.02905932314215
1996	2.04375223725356
1997	2.06957871897125
1998	2.11228097642439
1999	2.17702259767417
2000	2.25326438513099
2001	2.32596098914552
2002	2.38968982088248
2003	2.44578215951942
2004	2.481411085865
2005	2.48191684528479
2006	2.4523261624643
2007	2.40234314783413
2008	2.35828111895012
2009	2.37841040230559
2010	2.50018469721969
2011	2.70935809713995
2012	2.97410456902909
2013	3.26506345701182
2014	3.53522225110476
2015	3.76226169530742
2016	3.94136024993992
2017	4.0646994640352
2018	4.15311738320667
2019	4.22703000407078
2020	4.2758061825202
2021	4.30630204949501
2022	4.35376222481351
2023	4.42298743601675