Year	% of female population
1960	18.1731638821457
1961	18.1467536045551
1962	18.1159741295295
1963	18.1134581601611
1964	18.1342306973266
1965	18.1477602320335
1966	18.1521760353008
1967	18.1695929692975
1968	18.1992020151874
1969	18.2246409135516
1970	18.2644213295488
1971	18.3349034385304
1972	18.399659083459
1973	18.4073086198911
1974	18.3568338157936
1975	18.2128809852845
1976	18.0109202053473
1977	17.8457570136796
1978	17.7521304814041
1979	17.7087043480643
1980	17.6558238541875
1981	17.5665546652882
1982	17.4402691810318
1983	17.286646739462
1984	17.1061993074989
1985	16.9024477419206
1986	16.6795678659173
1987	16.4336733579433
1988	16.2154660745549
1989	16.0222094180504
1990	15.8150776509308
1991	15.6109876792567
1992	15.3651075587132
1993	15.1212772490021
1994	14.9356239239464
1995	14.7336088255913
1996	14.4768332156579
1997	14.2094748077397
1998	13.9944073213248
1999	13.7919490413587
2000	13.6771421866821
2001	13.6398032538782
2002	13.4550237854981
2003	13.1084789830998
2004	12.7691764130346
2005	12.4607558536341
2006	12.1868423460518
2007	11.9880616813132
2008	11.8316891409056
2009	11.7813163283434
2010	11.6411390862564
2011	11.3844773273259
2012	11.2039728682171
2013	11.0221892117723
2014	10.7801431557142
2015	10.548853485588
2016	10.3790969516388
2017	10.2353080720066
2018	10.1056053465544
2019	9.99240602455385
2020	9.88616368010917
2021	9.7842903633098
2022	9.69935008894447
2023	9.63921616506929