Year	% of female population
1960	3.73316431627317
1961	3.65991507041823
1962	3.60387016599106
1963	3.5429685260563
1964	3.46435709526982
1965	3.37166192036967
1966	3.29318731628645
1967	3.23085466202231
1968	3.20728325685259
1969	3.22989082395662
1970	3.30553484904957
1971	3.46625205780135
1972	3.68128641763404
1973	3.90124008490671
1974	4.10898216856795
1975	4.27662712125548
1976	4.42179107749644
1977	4.56079600245463
1978	4.64028460997892
1979	4.62718719774906
1980	4.54168123033904
1981	4.43331678573741
1982	4.33336176746567
1983	4.26621160409556
1984	4.28056879931711
1985	4.40846260016892
1986	4.59645829933083
1987	4.80353753583976
1988	5.01857251268123
1989	5.17479755085918
1990	5.2112924397077
1991	5.13815494413353
1992	5.01893755462756
1993	4.8841844534319
1994	4.77256066977893
1995	4.79085696694501
1996	4.97763615073042
1997	5.26224982746722
1998	5.59281115879828
1999	5.93207344654426
2000	6.20061604392661
2001	6.37357613623376
2002	6.52895540507218
2003	6.71892708726861
2004	6.98260935029737
2005	7.35435113642773
2006	7.80300607611129
2007	8.27073331450626
2008	8.73057776436868
2009	9.11391926861978
2010	9.37370072192614
2011	9.51895098817217
2012	9.53560020413178
2013	9.37334443351245
2014	9.0297517528899
2015	8.45623080714259
2016	7.68036062655075
2017	6.8375421194109
2018	6.04288499025341
2019	5.39103449580865
2020	4.93659420289855
2021	4.71106941838649
2022	4.67453525013518
2023	4.76764454993881