Year	% of female population
1960	0.9625405827049563
1961	0.958485902945273
1962	0.9564978133759363
1963	0.9557471967022222
1964	0.9563789048654818
1965	0.9584263190023613
1966	0.9613935950411618
1967	0.9646822270455466
1968	0.9681841685392221
1969	0.9719475458885005
1970	0.975274670637119
1971	0.9748180651713773
1972	0.9758257172087382
1973	0.9814421538556894
1974	0.9860125615642754
1975	0.9882578620951626
1976	0.9901979466376918
1977	0.9923620436014509
1978	0.9934115712892275
1979	0.9947744537640155
1980	0.9968589497137139
1981	0.9991423182107813
1982	1.0014115241467476
1983	1.0027222393169035
1984	1.0033029806645204
1985	1.003690847583915
1986	1.0033925336797944
1987	1.002568931099374
1988	1.0010251031086796
1989	0.9998560510503606
1990	1.0000395631087393
1991	1.0005045964081394
1992	1.0004853126481446
1993	1.0001560390683688
1994	0.9998489973702779
1995	1.000778079213622
1996	1.0031806881977234
1997	1.006951011933854
1998	1.0116939690844076
1999	1.0160371556060732
2000	1.0194255092604974
2001	1.0213518350987358
2002	1.021647629691118
2003	1.0211122632936522
2004	1.0205925271766647
2005	1.020031283670669
2006	1.020254989635447
2007	1.021852364782265
2008	1.0236691597184422
2009	1.0248526534799338
2010	1.0262123255726698
2011	1.0276177145672138
2012	1.030350736734376
2013	1.0359036420377845
2014	1.044315849703919
2015	1.0556196287723765
2016	1.069472868522029
2017	1.0858403636491938
2018	1.1031440286757666
2019	1.1213587858358816
2020	1.1416135851188922
2021	1.1625853723605801
2022	1.184995187386925
2023	1.212698133426889