Year	% of female population
1960	3.500365493273794
1961	3.443118844823535
1962	3.3691903038262296
1963	3.2933832681520596
1964	3.2296813194267266
1965	3.18333726720242
1966	3.150379653015826
1967	3.1273262506435198
1968	3.11426376203937
1969	3.113304847767691
1970	3.1231837309719994
1971	3.1450055280577156
1972	3.181506676024523
1973	3.225029132922911
1974	3.2613593442061797
1975	3.2901740329376348
1976	3.3103728517691455
1977	3.3108630109390593
1978	3.2960715154171503
1979	3.27832784250596
1980	3.260156929524498
1981	3.23939589324433
1982	3.2192305551344855
1983	3.1987779928267197
1984	3.171897783815947
1985	3.136192969444362
1986	3.0957740099191446
1987	3.053753629357485
1988	3.00817622719563
1989	2.9583369544294116
1990	2.9019354155841453
1991	2.8534388782855404
1992	2.812532712111848
1993	2.7874459652950767
1994	2.7853202638374888
1995	2.809585487970859
1996	2.8603484179041985
1997	2.9299133626226146
1998	3.011058065668418
1999	3.1044588898987056
2000	3.1995139801925
2001	3.2873805084052132
2002	3.376513168874869
2003	3.46849719911898
2004	3.5570492639183504
2005	3.6397918889386207
2006	3.7170938168302032
2007	3.7815281504189246
2008	3.836487783762321
2009	3.8926076810004853
2010	3.948709643485138
2011	4.006677084478157
2012	4.075918676795172
2013	4.152590783718965
2014	4.2192057763230215
2015	4.2775752469556485
2016	4.342410394000807
2017	4.404002846812322
2018	4.46027400921209
2019	4.5219549973910445
2020	4.585410212914619
2021	4.64651039423871
2022	4.701221392024802
2023	4.749275167198209