Year	% of female population
1960	0.9921086085807178
1961	0.9853558077296309
1962	0.9798826255391341
1963	0.9756136219597945
1964	0.9735329929351464
1965	0.973738703731111
1966	0.9756753460149385
1967	0.9787686581291128
1968	0.9827334306667547
1969	0.9869084021797526
1970	0.990168282384764
1971	0.990234638766674
1972	0.9910807665059654
1973	0.9946350622952924
1974	0.9963221266094778
1975	0.9953946735477762
1976	0.9933897838121661
1977	0.9906364786955711
1978	0.9870126437965306
1979	0.984542089041596
1980	0.9832600434889737
1981	0.9830691090430643
1982	0.9846235264118591
1983	0.9867105936766326
1984	0.9884394399690433
1985	0.9888737224247892
1986	0.9875476734501741
1987	0.9852611790135284
1988	0.9824321220152886
1989	0.9806717825601883
1990	0.9811101010584826
1991	0.9827222851297586
1992	0.9848522686484469
1993	0.9871124044730388
1994	0.9890252594914773
1995	0.9913016963269458
1996	0.9943509061714421
1997	0.9984413578753709
1998	1.0030807341211172
1999	1.0072174494905015
2000	1.0104242317345007
2001	1.0122961726896313
2002	1.0130434792645815
2003	1.0131997209274521
2004	1.013401525405246
2005	1.0137502887578491
2006	1.015049093057868
2007	1.0176951024166663
2008	1.0204438902642783
2009	1.0222461860538314
2010	1.0239420698287411
2011	1.0256185385494667
2012	1.0281332720512357
2013	1.0329818953239864
2014	1.0404997139113068
2015	1.0504195471260733
2016	1.062084691164973
2017	1.0754510793444867
2018	1.0890032343117648
2019	1.1023248293639538
2020	1.1169551982489592
2021	1.1328661368430741
2022	1.1516430023615554
2023	1.1768998176051995