Year	% of female population
1960	4.07405474973043
1961	4.0377667600776
1962	4.05023013638027
1963	4.06145871899297
1964	4.08827767439734
1965	4.13287190064813
1966	4.18868523229115
1967	4.25188076600987
1968	4.31603897635324
1969	4.38460439754329
1970	4.45032415221408
1971	4.51417101193618
1972	4.57535614201858
1973	4.62810561907656
1974	4.5254038073149
1975	4.27215307091561
1976	4.02001721491625
1977	3.77843429585387
1978	3.56294332768819
1979	3.4141591659344
1980	3.3453236987635
1981	3.30747658801842
1982	3.25958898117821
1983	3.20174551242571
1984	3.13515451919417
1985	3.06180234553745
1986	2.98475484312476
1987	2.90930612776014
1988	2.83955858700739
1989	2.78095470464746
1990	2.73810583993828
1991	2.74407785947224
1992	2.80203101768997
1993	2.88384222135338
1994	2.98691981386095
1995	3.10843207362912
1996	3.24285358802086
1997	3.37809084064486
1998	3.50296349459172
1999	3.60995391049371
2000	3.6944899262798
2001	3.75471969017878
2002	3.79050721583725
2003	3.80199822258124
2004	3.79054037385158
2005	3.75845624301811
2006	3.70955519800696
2007	3.64905160302952
2008	3.58377065553232
2009	3.51836132980793
2010	3.45558562021614
2011	3.40135348778462
2012	3.36356789639842
2013	3.34989374699625
2014	3.36911907929855
2015	3.42302647216769
2016	3.50480773618464
2017	3.60615433004823
2018	3.71802469565805
2019	3.83313708055976
2020	3.94723184576909
2021	4.05570648918788
2022	4.15034922875034
2023	4.21491009800097