Year	% of female population
1960	0.39058617051445954
1961	0.3833256038044284
1962	0.376873628743146
1963	0.37343305386351977
1964	0.37484953905677926
1965	0.3803950909294214
1966	0.38868415743364876
1967	0.39934840618266837
1968	0.41015884860961616
1969	0.4180790314095918
1970	0.42220483796827024
1971	0.42420606715932235
1972	0.4262101610137432
1973	0.4299650456076485
1974	0.43735253716538786
1975	0.44819975081139457
1976	0.46117925746468635
1977	0.4763444376769033
1978	0.49227424007790505
1979	0.5067272263713776
1980	0.5175796332287598
1981	0.524562571977468
1982	0.5300975078110849
1983	0.5358307272906568
1984	0.5427277118661716
1985	0.5514802096394614
1986	0.5618310198899659
1987	0.5734285687362148
1988	0.585512564524793
1989	0.5970167708899147
1990	0.6069560753906019
1991	0.6170150450646589
1992	0.6271735159397501
1993	0.6374931589167179
1994	0.6485428329432162
1995	0.659557692119045
1996	0.6702583760361797
1997	0.6819926004996618
1998	0.6952251186680433
1999	0.709722110318317
2000	0.724875150653056
2001	0.7401811411090351
2002	0.7565968427548618
2003	0.7739935634653807
2004	0.7922217955073956
2005	0.8116648925616273
2006	0.8319093042647477
2007	0.852059944224083
2008	0.8719926348238788
2009	0.8922594133891683
2010	0.9122207078502118
2011	0.9334185338445391
2012	0.9566734231901617
2013	0.9823482641787443
2014	1.0103501836601132
2015	1.0390722837771034
2016	1.0689958817249852
2017	1.10130824021217
2018	1.1341849404805482
2019	1.1644313573481484
2020	1.1866147533765286
2021	1.1891447148242231
2022	1.1836576501704348
2023	1.1993386495056089