Year	% of female population
1960	0.7721593566758981
1961	0.7574119365044838
1962	0.7512177008998712
1963	0.7489017843354788
1964	0.7481303542425037
1965	0.7516007622888188
1966	0.7616868054982241
1967	0.766743784329324
1968	0.7625105345174806
1969	0.7559723010162539
1970	0.7540771670441084
1971	0.7624110712014153
1972	0.7765960991350379
1973	0.7900474030415964
1974	0.7944881863526619
1975	0.788649312341315
1976	0.7774931450909973
1977	0.769648843270736
1978	0.7694136610717567
1979	0.7796175305248843
1980	0.7926651563793314
1981	0.8013883879400788
1982	0.8141676951576879
1983	0.831821539957542
1984	0.8495952712994571
1985	0.8659456854175174
1986	0.8807475930947043
1987	0.8928029888489318
1988	0.9036322859766636
1989	0.915162499142366
1990	0.9256945481523445
1991	0.9337160079331676
1992	0.94162369019944
1993	0.9515789537433088
1994	0.9613959513891077
1995	0.9666360921051343
1996	0.9687629599684622
1997	0.9733031913850388
1998	0.9816031339486059
1999	0.992706799935437
2000	1.0055152314655196
2001	1.0189674626110043
2002	1.0311067955080349
2003	1.0415592851098245
2004	1.054594748109852
2005	1.0713389972576521
2006	1.0911317609874405
2007	1.1159937524398755
2008	1.1451719844655366
2009	1.1737349866459261
2010	1.199480902133194
2011	1.2217059798846632
2012	1.2394874086075187
2013	1.2503741875838796
2014	1.2535070137641555
2015	1.2561702538698398
2016	1.2679446946243151
2017	1.2893688079468772
2018	1.318564218447068
2019	1.3562645214854154
2020	1.3856087987198966
2021	1.4026027125972889
2022	1.4300021148719073
2023	1.4701177960287661