Year	% of female population
1960	1.9613797270488433
1961	1.9647783658573479
1962	1.9601358727949951
1963	1.9390636616464607
1964	1.9147693808065078
1965	1.905281480557732
1966	1.9191266336711816
1967	1.9466914589414148
1968	1.9765045595809623
1969	2.005398336432387
1970	2.0257231662663657
1971	2.0338171742224262
1972	2.0329069219591775
1973	2.032928918837243
1974	2.042552671473653
1975	2.0533272329137464
1976	2.0591446015203267
1977	2.0703720876657083
1978	2.0918903547417083
1979	2.119408048017785
1980	2.1466800769218444
1981	2.1746669471473896
1982	2.197822586898772
1983	2.2054122321805987
1984	2.20541664696374
1985	2.22072510603341
1986	2.24630539811116
1987	2.2712549606027386
1988	2.3081801874917667
1989	2.359415669866787
1990	2.4044815430816757
1991	2.4369698103865356
1992	2.4741544395071786
1993	2.5217510047106066
1994	2.5631933280169514
1995	2.602287771019473
1996	2.6493675065293636
1997	2.7004378782514498
1998	2.7579090910734503
1999	2.818923142497947
2000	2.876765035578659
2001	2.931130285241231
2002	2.970911793657419
2003	2.983126115334715
2004	2.975012851906031
2005	2.970477995923393
2006	2.9849775557769953
2007	3.0077264381485684
2008	3.0303122462105594
2009	3.0652371908931477
2010	3.105038240815065
2011	3.1525263586333883
2012	3.2424693534008258
2013	3.3869233720429546
2014	3.5699019954154014
2015	3.7962113318010906
2016	4.027186764743552
2017	4.2552437592917585
2018	4.467369992032358
2019	4.645207008463593
2020	4.803365405698765
2021	4.921841999873809
2022	5.013819439291979
2023	5.067638124838938