Year	% of female population
1960	0.55870532630821
1961	0.522981958391451
1962	0.494619875831535
1963	0.471241660303569
1964	0.453995108824783
1965	0.44565986905374
1966	0.444437078046351
1967	0.445809617489435
1968	0.448102978849
1969	0.451598027175648
1970	0.456734118287373
1971	0.472258750700157
1972	0.497951284753257
1973	0.524984395578792
1974	0.553890274622148
1975	0.587974394051649
1976	0.628580301451096
1977	0.672189409698457
1978	0.714865794903888
1979	0.757087326263869
1980	0.791151095727137
1981	0.810187370889502
1982	0.824225728620058
1983	0.840172725928389
1984	0.859249800171336
1985	0.884122157261495
1986	0.913556429007333
1987	0.94347132831381
1988	0.970713414463421
1989	0.99558181566585
1990	1.01089241838636
1991	1.01586692125274
1992	1.02031257891124
1993	1.02606376273146
1994	1.03381939064569
1995	1.04594830610327
1996	1.06227889317752
1997	1.08123961650692
1998	1.10114773831008
1999	1.12196751405918
2000	1.14387795486805
2001	1.17055586162212
2002	1.20312785433475
2003	1.2365042750461
2004	1.26937230542332
2005	1.30358984787248
2006	1.33948578729704
2007	1.37514551501693
2008	1.40981299858386
2009	1.44304476048673
2010	1.47171621289829
2011	1.51316644861826
2012	1.56743884954273
2013	1.6200456039317
2014	1.67634497740826
2015	1.73593870068303
2016	1.79515849632577
2017	1.85073293277507
2018	1.90370801559824
2019	1.93056577191159
2020	1.93055826828432
2021	1.92944839604737
2022	1.94490372569574
2023	1.97972246111022