Year	% of female population
1960	18.4347679892401
1961	18.1860501202576
1962	18.0083552384529
1963	18.0897495656596
1964	18.3971447112265
1965	18.8613750794769
1966	19.3780015133032
1967	19.8197574616535
1968	20.1342614997084
1969	20.344477991065
1970	20.59212399821
1971	20.7269535342476
1972	20.5678499806495
1973	20.2288600597241
1974	19.8048916021579
1975	19.3338560269478
1976	18.8893223552279
1977	18.5411709941036
1978	18.2741955218402
1979	18.0804321867863
1980	17.9518754501025
1981	17.875109589613
1982	17.8143816524318
1983	17.698784882101
1984	17.4415354934098
1985	16.9950515766359
1986	16.6352238904553
1987	16.4842754140801
1988	16.3666387043629
1989	16.2596114456412
1990	16.1457099457908
1991	15.8761082125086
1992	15.4557941856143
1993	15.0251438126256
1994	14.5985357440085
1995	14.1619062353137
1996	13.6947299006886
1997	13.2989918075858
1998	13.0388646741386
1999	12.8315314758757
2000	12.6368316346254
2001	12.4314014263549
2002	12.2230961652526
2003	11.9104032428463
2004	11.6814960213449
2005	11.5103078908041
2006	11.1732446032279
2007	11.097389162165
2008	11.1622468450656
2009	10.9258821749299
2010	10.6554891622166
2011	10.6254039899314
2012	10.6469805061748
2013	10.5264951472026
2014	10.4665918991598
2015	10.4961319335812
2016	10.4958132437824
2017	10.3326965244052
2018	10.0216671792085
2019	9.83888582382924
2020	9.83253498208925
2021	9.66884279783626
2022	9.22451998577386
2023	8.74612344339297