Year	% of female population
1960	7.93291458623287
1961	7.89015145954944
1962	7.91644873373939
1963	8.05318073551439
1964	8.29268026037181
1965	8.73924850247863
1966	9.34564003143337
1967	9.9153362028264
1968	10.3997331569859
1969	10.7910400192011
1970	10.9879762852424
1971	11.0182232421674
1972	11.0410285565338
1973	11.0555398129782
1974	11.0646618517399
1975	11.0697822094904
1976	11.1205102510825
1977	11.1531681237533
1978	11.1328810497541
1979	11.0880323676792
1980	11.0183454188383
1981	10.925797090549
1982	10.8416087678288
1983	10.7365480661062
1984	10.5967733596136
1985	10.4672663346353
1986	10.3491454981907
1987	10.2465423407775
1988	10.154693522658
1989	10.0483345606781
1990	9.91899165277287
1991	9.79864266685195
1992	9.72042925957324
1993	9.67608177015574
1994	9.6599508998316
1995	9.68720186380915
1996	9.7434266716703
1997	9.78910264213511
1998	9.83519985690538
1999	9.88712406205349
2000	9.90838208101105
2001	9.88960223691826
2002	9.84706799207889
2003	9.79700827915573
2004	9.7656553779514
2005	9.75097161293298
2006	9.71591917490435
2007	9.64354615308511
2008	9.51489831294115
2009	9.30964224607436
2010	9.05760609517031
2011	8.81159412307287
2012	8.58704055071792
2013	8.39055684766025
2014	8.22871156129841
2015	8.09093688318276
2016	7.99702718143112
2017	7.9586598005702
2018	7.97779790021756
2019	8.06410037391548
2020	8.11167491268643
2021	8.12192041340115
2022	8.19726227398269
2023	8.32975410813501