Year	% of female population
1960	0.3165324912068383
1961	0.31449325334359113
1962	0.31234730165990965
1963	0.31030838358832313
1964	0.30857645471313067
1965	0.3070714783284632
1966	0.3057827208438401
1967	0.3049447177295789
1968	0.30461263318470694
1969	0.30474490350768624
1970	0.3051690756313959
1971	0.3045693427162562
1972	0.304584538246702
1973	0.30675670648425407
1974	0.3094917628844455
1975	0.3119403161864401
1976	0.3149666724718886
1977	0.31908837389539074
1978	0.32387087422343347
1979	0.3289897760296924
1980	0.33411286727891915
1981	0.33939947597593123
1982	0.34462936883749545
1983	0.34904295102174127
1984	0.35272922974169413
1985	0.356603813602602
1986	0.3604392310458525
1987	0.36616064057492365
1988	0.3703570864459177
1989	0.3708033400143958
1990	0.3714556845594801
1991	0.37334540486876516
1992	0.37518260171034384
1993	0.3759714278455927
1994	0.3774175466252926
1995	0.37948295197805443
1996	0.38110045222441324
1997	0.38441592578578926
1998	0.39061870851651176
1999	0.3995031221328618
2000	0.40992818578586765
2001	0.41976085022472065
2002	0.42875271469978016
2003	0.43712595725057335
2004	0.4453709773399587
2005	0.45345156014247084
2006	0.46095778939736265
2007	0.46723565819092067
2008	0.47200674805213433
2009	0.4762220511189402
2010	0.4810573080029235
2011	0.486812853421603
2012	0.492609111719385
2013	0.4981631030070876
2014	0.5034149420089497
2015	0.5078419694525982
2016	0.5123985180268728
2017	0.5182482156476317
2018	0.5250671054942306
2019	0.5323933729472874
2020	0.538393006523499
2021	0.5415936336478068
2022	0.5445127315024129
2023	0.5503855164143313