Year	% of female population
1960	3.904280854068334
1961	3.894108619824662
1962	3.880272272006304
1963	3.8649653116011082
1964	3.852165487131712
1965	3.8432209337967675
1966	3.8362141577186875
1967	3.8302403195828894
1968	3.8250217649441036
1969	3.819194991890146
1970	3.812913132191835
1971	3.80892706630904
1972	3.80527845836364
1973	3.7991733995468957
1974	3.788241483084594
1975	3.770385337912508
1976	3.7451520674535446
1977	3.7132438856179926
1978	3.677423683775813
1979	3.639880172023355
1980	3.6029561870950824
1981	3.5700403896409707
1982	3.5425755644453556
1983	3.520290491122524
1984	3.4961295384220437
1985	3.469412559247734
1986	3.443614362913642
1987	3.4163434733786175
1988	3.3893683343462992
1989	3.3709927255127203
1990	3.3644009599391542
1991	3.3667200362717042
1992	3.376653150916593
1993	3.387138045440426
1994	3.3995518838965206
1995	3.422713740648515
1996	3.4541096031137988
1997	3.489137071582507
1998	3.535231870994062
1999	3.5888376379891387
2000	3.6350938957169565
2001	3.6753559145580703
2002	3.7117681167605157
2003	3.7431246785037615
2004	3.771326232809432
2005	3.795625283119107
2006	3.81558983814338
2007	3.8320322618375324
2008	3.844366707619383
2009	3.852174249198319
2010	3.8578447312554167
2011	3.865269364062903
2012	3.879517863858646
2013	3.902404045659341
2014	3.931487381654846
2015	3.9652062822697576
2016	4.003137794523722
2017	4.0428428301968795
2018	4.078542260783635
2019	4.108704998853875
2020	4.1366781539124045
2021	4.1642788969945395
2022	4.192616238661142
2023	4.228659725014168