Year	% of female population
1960	18.512292498424
1961	19.6281443674809
1962	20.8134574112209
1963	21.6605899900563
1964	21.932156192646
1965	21.7949687055907
1966	21.4142217083394
1967	20.9143820939267
1968	20.1975625400898
1969	19.6728563877462
1970	19.6671058095009
1971	19.88468253239
1972	20.0894704606777
1973	20.152796459978
1974	20.0019778278676
1975	19.6277986879639
1976	19.4432227498706
1977	19.7799559038617
1978	20.3780896656341
1979	20.8930442099424
1980	21.0579523255833
1981	21.0702099401591
1982	21.0569352615471
1983	20.8452256781317
1984	20.3837628409906
1985	19.6401902864787
1986	18.980337592024
1987	18.5083607545641
1988	17.9923033577336
1989	17.4366888681287
1990	16.849335005595
1991	16.1863813573336
1992	15.4713765979782
1993	14.762131973074
1994	14.0427962795333
1995	13.3029679453322
1996	12.8328594383729
1997	12.6747485636251
1998	12.5713251774999
1999	12.4842288857311
2000	12.3818893938832
2001	12.1578839728793
2002	11.8270028871628
2003	11.484277544334
2004	11.1256405711252
2005	10.6959419573733
2006	9.98261569536879
2007	9.16977232527123
2008	8.68157964656284
2009	8.65568173404285
2010	9.10364230659187
2011	9.71887687771887
2012	10.1238993404098
2013	10.258158939608
2014	10.1475490046781
2015	9.86760909180252
2016	9.50828977087051
2017	9.12005743305488
2018	8.73270034206658
2019	8.40217150966601
2020	8.21034947467398
2021	8.12429955758765
2022	8.03868272606009
2023	7.92181938028855