Year	% of female population
1960	9.36372030554856
1961	9.26873743757641
1962	9.19190678052876
1963	9.13921360255048
1964	9.11574018489614
1965	9.12759643916914
1966	9.18547921901428
1967	9.29144966326225
1968	9.44017877607151
1969	9.63712188402242
1970	9.86995820417586
1971	10.1188345950906
1972	10.3781524011184
1973	10.6518964178278
1974	10.9204162004529
1975	11.16526362428
1976	11.3736494058669
1977	11.5185715488924
1978	11.5867409544656
1979	11.6015832211205
1980	11.5947846751662
1981	11.5872715219244
1982	11.5631376017254
1983	11.4720200216698
1984	11.2992610837438
1985	11.0735649692031
1986	10.8392474606899
1987	10.6250718638611
1988	10.4511598212386
1989	10.3405746320953
1990	10.356737451203
1991	10.4687862930222
1992	10.5706551018209
1993	10.6354874681393
1994	10.639998951466
1995	10.5360000518313
1996	10.3761847961317
1997	10.2701775343441
1998	10.2551502551503
1999	10.3238057165701
2000	10.438334428343
2001	10.4811049465199
2002	10.3536867346065
2003	10.1008075541863
2004	9.82163343678675
2005	9.58251308397753
2006	9.41576654532434
2007	9.32165158961939
2008	9.27880101332798
2009	9.28114171609796
2010	9.33842832973572
2011	9.37262831022716
2012	9.29269542881167
2013	9.11330190354531
2014	8.89148457308908
2015	8.65600417129514
2016	8.39225105149803
2017	8.10988197280438
2018	7.84053230326103
2019	7.57209602062188
2020	7.28395881032175
2021	7.02005809627225
2022	6.82550682550683
2023	6.68859829481591