Year	% of female population
1960	0.363470378614522
1961	0.36416592509658
1962	0.365012457663162
1963	0.365902963142215
1964	0.366794031280082
1965	0.367695535184102
1966	0.368704140425369
1967	0.369846872228914
1968	0.371069212995066
1969	0.37209251530445
1970	0.372862964851628
1971	0.373316915583546
1972	0.373710066687947
1973	0.373915114593403
1974	0.374112807046407
1975	0.374700375515269
1976	0.391605421431057
1977	0.414640778052777
1978	0.421979524161822
1979	0.419479283906071
1980	0.412549856386086
1981	0.405296381171653
1982	0.399376252491231
1983	0.395024521177471
1984	0.391570709585234
1985	0.388859574780699
1986	0.387059034424376
1987	0.393088864159605
1988	0.419865445348137
1989	0.437880115352596
1990	0.435199081873736
1991	0.433382846544607
1992	0.432928274576111
1993	0.433685178433192
1994	0.436835044024747
1995	0.441347185120849
1996	0.444776402124575
1997	0.44683714812176
1998	0.44603720398611
1999	0.441419033161435
2000	0.435824549917067
2001	0.431608612843446
2002	0.431305001487809
2003	0.434133545463102
2004	0.436772495913964
2005	0.439138763440448
2006	0.441294196739405
2007	0.443455186255009
2008	0.445528345256364
2009	0.447072208724471
2010	0.447516373532114
2011	0.443000313929815
2012	0.434245884511424
2013	0.425317935673415
2014	0.415925896507837
2015	0.40661284459537
2016	0.398405491489718
2017	0.391800553511149
2018	0.387361369111736
2019	0.385434818497514
2020	0.384151468516422
2021	0.381315882059051
2022	0.377562594691384
2023	0.37443365939009