Year	% of female population
1960	0.27721298570057
1961	0.282239861226144
1962	0.287933352743123
1963	0.29277564360427
1964	0.294863169574099
1965	0.29406172240421
1966	0.290990151992907
1967	0.28616101155131
1968	0.281915633895767
1969	0.281053804054658
1970	0.284066396766655
1971	0.290143671181667
1972	0.298837304098019
1973	0.309017288482701
1974	0.319407903028949
1975	0.32950157132569
1976	0.339750600917421
1977	0.35002429231328
1978	0.360521187541356
1979	0.371832700234516
1980	0.383245418732609
1981	0.394424133501474
1982	0.405263170812428
1983	0.414780748829658
1984	0.421723635989403
1985	0.425610864865162
1986	0.42754693751789
1987	0.427574153429312
1988	0.424728041391801
1989	0.418987728989133
1990	0.41095356935653
1991	0.401303492960662
1992	0.390991383046662
1993	0.381559860223028
1994	0.374868378345019
1995	0.372211849645807
1996	0.373406098094703
1997	0.378178872346721
1998	0.387379791223143
1999	0.402426779510407
2000	0.423400537160338
2001	0.449083105276654
2002	0.478520191126584
2003	0.511135511290132
2004	0.545617435695755
2005	0.581068842413168
2006	0.618468902901942
2007	0.657928460021474
2008	0.697510225010631
2009	0.734686368959243
2010	0.769487319165424
2011	0.80335110115115
2012	0.836038806962209
2013	0.86693506835934
2014	0.89559203716819
2015	0.922042978312188
2016	0.950105167189947
2017	0.985678996170835
2018	1.02719191739595
2019	1.06861815492874
2020	1.1095753111148
2021	1.1576932746142
2022	1.21627880634341
2023	1.27451668416164