Year	% of female population
1960	0.442804902001185
1961	0.426392540789624
1962	0.396683083481234
1963	0.362146092992182
1964	0.325917196936515
1965	0.293393814559059
1966	0.275106828866724
1967	0.27234385847449
1968	0.277010788747063
1969	0.28506560575676
1970	0.294116767560608
1971	0.300069542044569
1972	0.304630803677076
1973	0.313294425149486
1974	0.327775142130519
1975	0.349625482764981
1976	0.379748060140483
1977	0.418899693537777
1978	0.467720675714616
1979	0.526378297942203
1980	0.595125446900198
1981	0.648908066102352
1982	0.685641642659399
1983	0.725862455106898
1984	0.766682292628492
1985	0.805481079881304
1986	0.839590718439914
1987	0.86658465107778
1988	0.884310212810249
1989	0.900770173661053
1990	0.944568448894517
1991	0.993641863881451
1992	1.01928919225274
1993	1.03669215442012
1994	1.05100291292663
1995	1.06385530252172
1996	1.07662829939712
1997	1.09032284446712
1998	1.10482682707418
1999	1.11999836145835
2000	1.13508926538987
2001	1.1479532611295
2002	1.15745718529748
2003	1.16397008620558
2004	1.16772421945299
2005	1.16919045734874
2006	1.16895664327218
2007	1.16759014594764
2008	1.16622594457941
2009	1.16551203856287
2010	1.16503543092984
2011	1.16621054152519
2012	1.16705982281624
2013	1.16772539627867
2014	1.17868613350413
2015	1.1988660016357
2016	1.22130077962843
2017	1.24807183909976
2018	1.27875799578004
2019	1.30597316707639
2020	1.33515223268267
2021	1.37290392519837
2022	1.42307875204073
2023	1.48849025373194