Year	% of female population
1960	0.597909598502944
1961	0.574185337555865
1962	0.551475881929446
1963	0.537905530341234
1964	0.527456351964673
1965	0.518636423928903
1966	0.515750423328981
1967	0.509972229235042
1968	0.502860249329726
1969	0.497994692903273
1970	0.492563950029744
1971	0.488860300567218
1972	0.491250675901106
1973	0.493743276145178
1974	0.504999832781512
1975	0.528943758573388
1976	0.557656976115854
1977	0.58174974067222
1978	0.600935971069985
1979	0.623749060140423
1980	0.650042738199508
1981	0.68080897363049
1982	0.715927819359444
1983	0.755258526774491
1984	0.794497062451651
1985	0.827472504539099
1986	0.852136591870325
1987	0.843851199867143
1988	0.813788972539786
1989	0.797333305898209
1990	0.800369401262121
1991	0.820394116924085
1992	0.850889752505625
1993	0.881439718919802
1994	0.910601935411504
1995	0.933352332871916
1996	0.950193595593541
1997	0.972081731741857
1998	0.99103350637093
1999	1.01230726268127
2000	1.03349187475228
2001	1.05055875547679
2002	1.06962861476733
2003	1.08856375734464
2004	1.11480672171408
2005	1.14870710372008
2006	1.17884391074058
2007	1.19807167511339
2008	1.20689329020298
2009	1.21202418397906
2010	1.22014124002363
2011	1.25350270876144
2012	1.29525942515864
2013	1.3191354100445
2014	1.33998013456024
2015	1.36072321311106
2016	1.38529198489457
2017	1.405741762127
2018	1.42691316780386
2019	1.45307941423621
2020	1.48509729785653
2021	1.5118286594186
2022	1.5210287079125
2023	1.52232995445865