Year	% of female population
1960	12.0995620533804
1961	12.3248905423573
1962	12.5511844567904
1963	12.7640907973227
1964	12.9755817647119
1965	13.2195694255485
1966	13.5156061974224
1967	13.80152024294
1968	14.0304258581972
1969	14.2365566810683
1970	14.4454729768929
1971	14.6506204274551
1972	14.8447794413835
1973	15.0461168655392
1974	15.2768031043246
1975	15.5242140910156
1976	15.7740976373136
1977	16.0473942886966
1978	16.3217099567417
1979	16.5732886872152
1980	16.8175372668133
1981	17.0547421550453
1982	17.3118191596622
1983	17.5862762590473
1984	17.806367034665
1985	18.0598442885271
1986	18.3472752963285
1987	18.550086918731
1988	18.6856222230318
1989	18.7863408578496
1990	18.8267205001327
1991	18.8138036149938
1992	18.7687956238491
1993	18.6604337286158
1994	18.5387866443754
1995	18.4348570282458
1996	18.3267470088395
1997	18.1952794600349
1998	18.0110569529764
1999	17.7756424961762
2000	17.5493475868643
2001	17.3622677749562
2002	17.1765877072052
2003	17.0214845170886
2004	16.9281795872008
2005	16.8643410877661
2006	16.7771794994701
2007	16.6950789886495
2008	16.6717585154636
2009	16.7267625554159
2010	16.855040692674
2011	17.0632173231552
2012	17.292213518784
2013	17.4799431735609
2014	17.6714144761115
2015	17.8679520820121
2016	18.0559336037326
2017	18.2634235428819
2018	18.5184988432413
2019	18.792008052048
2020	19.0960207490811
2021	19.4381133024695
2022	19.7479779736092
2023	20.02634781289