Year	% of female population
1960	3.416908849559103
1961	3.3757282682349423
1962	3.3211306018321385
1963	3.264861217274924
1964	3.2154714698416886
1965	3.175515582372081
1966	3.142763375242699
1967	3.115141759196216
1968	3.0919694837687812
1969	3.0782439508967694
1970	3.0741362023774963
1971	3.076194328426852
1972	3.086124586830836
1973	3.102387570485951
1974	3.113890647622733
1975	3.122077238530469
1976	3.131038658454964
1977	3.1296085503045337
1978	3.1174889807910673
1979	3.1015562070017473
1980	3.082615429291949
1981	3.060589707645645
1982	3.0371520488126866
1983	3.01484810599586
1984	2.9889637546016856
1985	2.9544823054286415
1986	2.9162452652917565
1987	2.876981662765984
1988	2.834905353117481
1989	2.7891533763193443
1990	2.7404828214208368
1991	2.698621612859033
1992	2.662982225918114
1993	2.6424573259875506
1994	2.6431189697817263
1995	2.6675639159142808
1996	2.714516838455541
1997	2.775177430893535
1998	2.8435244731024625
1999	2.91149632503552
2000	2.9728831400262896
2001	3.0314512553066444
2002	3.0925289670524925
2003	3.158503562101082
2004	3.236188288026677
2005	3.3150764424268666
2006	3.3811284831020507
2007	3.4308790773408275
2008	3.470627704156705
2009	3.514148411684214
2010	3.5635505868315933
2011	3.6173525114732574
2012	3.6815576623921964
2013	3.75534622783499
2014	3.8256435882552946
2015	3.8890845437427504
2016	3.945540391870607
2017	3.9934265411507823
2018	4.035264539255472
2019	4.075712431677499
2020	4.125710785560265
2021	4.1842732692086475
2022	4.241307808351907
2023	4.2985485452529755