Year	% of female population
1960	19.7760837819062
1961	19.8583364750148
1962	19.9330293413944
1963	19.9975971323388
1964	20.0478108814025
1965	20.0889539337533
1966	20.1227122287415
1967	20.1478444813652
1968	20.1622650035505
1969	20.1633629836998
1970	20.1515731110741
1971	20.1307011259001
1972	20.1044384171985
1973	20.0901263055319
1974	20.0744539503532
1975	20.0434880360734
1976	20.0133275967607
1977	19.9757759363389
1978	19.9235063040632
1979	19.8622787567698
1980	19.7982513377753
1981	19.734373302424
1982	19.6791440395158
1983	19.6391557908198
1984	19.613648558696
1985	19.5907337380967
1986	19.5654860350516
1987	19.5495899321495
1988	19.5446016273204
1989	19.5480819241618
1990	19.5712238566694
1991	19.6065574663147
1992	19.62791681464
1993	19.6068506954804
1994	19.5148916895281
1995	19.3381635427951
1996	19.0768287411593
1997	18.740509997051
1998	18.3718289535982
1999	18.0139938745768
2000	17.6770685656557
2001	17.3634749010688
2002	17.0757141464603
2003	16.7851866478458
2004	16.4899099568604
2005	16.2178741131731
2006	15.9548488541086
2007	15.6783070864343
2008	15.4621836403653
2009	15.3226524710158
2010	15.2156389862254
2011	15.1374722378404
2012	15.0699008848141
2013	14.9984897655437
2014	14.9144719565556
2015	14.821031057012
2016	14.7037681938306
2017	14.5531477199651
2018	14.3667609516062
2019	14.1364340984554
2020	13.8358907342138
2021	13.5061558297957
2022	13.2059627802359
2023	12.939834255078