Year	% of female population
1960	3.938764768378537
1961	3.9326243210324585
1962	3.9262128729966967
1963	3.9182191004501408
1964	3.909668842114837
1965	3.9007238467513177
1966	3.8896937923176145
1967	3.876005378017224
1968	3.8610990215504093
1969	3.8460490084773187
1970	3.8324605153054923
1971	3.8214153664222357
1972	3.810169456093422
1973	3.7972642670507675
1974	3.78069796590972
1975	3.7581942738034915
1976	3.7302704456524753
1977	3.698985510459587
1978	3.6653956713601614
1979	3.6294171117472005
1980	3.593527386838982
1981	3.561286619781385
1982	3.534158271773852
1983	3.513221912350657
1984	3.4918258989619972
1985	3.468865650935764
1986	3.4475168509293943
1987	3.4263028448242783
1988	3.4091593248202368
1989	3.401459602764178
1990	3.4025225401606396
1991	3.408619896498076
1992	3.4170024692732643
1993	3.4192996761445804
1994	3.4185771806938434
1995	3.42814589355761
1996	3.4475801862918765
1997	3.4728670173440745
1998	3.51273576271926
1999	3.5620670759203032
2000	3.6031337603567968
2001	3.6365994438531906
2002	3.664768155047402
2003	3.686778035212047
2004	3.7050024099888277
2005	3.7194457168173423
2006	3.7310940079631854
2007	3.741236121780302
2008	3.7487768709344427
2009	3.7540955678248626
2010	3.75937027552872
2011	3.7682921015899007
2012	3.7852100598556206
2013	3.810243241046282
2014	3.8411734948656306
2015	3.876451277555599
2016	3.913995572657577
2017	3.951283467517113
2018	3.984125551425971
2019	4.0108600902147495
2020	4.034722397088069
2021	4.057497925842035
2022	4.080476228926818
2023	4.1104037948320045