Year	% of female population
1960	0.4344732165838413
1961	0.4254136275476164
1962	0.4225008588411207
1963	0.4192689400539414
1964	0.4138596842803688
1965	0.4096493845184633
1966	0.4085163776415276
1967	0.41107933442879324
1968	0.4160911170900108
1969	0.4211609580063756
1970	0.42428101560329057
1971	0.42688495003139193
1972	0.4337690904084643
1973	0.4462908682534815
1974	0.46192323187361145
1975	0.4786868382381502
1976	0.49567680052187063
1977	0.513782415406862
1978	0.5340337037196697
1979	0.5550241352913886
1980	0.5790319139312056
1981	0.607491655988849
1982	0.6375881798902961
1983	0.6698304890057623
1984	0.7024465669080939
1985	0.7329230081669182
1986	0.7611191034999497
1987	0.7854053927957952
1988	0.8093682651898578
1989	0.8354180807224215
1990	0.857363033227082
1991	0.8728481254950394
1992	0.8892715284235851
1993	0.9144312439925377
1994	0.9462809845219657
1995	0.9787662004252394
1996	1.0103446852599274
1997	1.0417329437423417
1998	1.0744092657558149
1999	1.1087553120800184
2000	1.1481366307799699
2001	1.1954374661979785
2002	1.246520828131191
2003	1.3005809262819386
2004	1.3621784589233241
2005	1.4272977725667366
2006	1.4867624439007545
2007	1.545054601732447
2008	1.6095051486858827
2009	1.67518663484478
2010	1.7419273819639782
2011	1.807302714983889
2012	1.8731416748726368
2013	1.9487970714682985
2014	2.0286245116226262
2015	2.1057400999844638
2016	2.177831528330896
2017	2.242686418192623
2018	2.3046726609339467
2019	2.363447704392208
2020	2.4244280739105015
2021	2.4877030042993833
2022	2.5488760448137597
2023	2.613384131817361