Year	% of female population
1960	2.10685147855809
1961	1.92005179087068
1962	1.68099841175653
1963	1.43661067563905
1964	1.24742159724923
1965	1.13472217553751
1966	1.08557804278902
1967	1.09239437039762
1968	1.14367766183251
1969	1.22535697040767
1970	1.32629121091817
1971	1.4484445003226
1972	1.59399907958637
1973	1.74370657152147
1974	1.87058726680714
1975	1.96764517369568
1976	2.03124582899549
1977	2.05832255812507
1978	2.06523178292777
1979	2.08759381100539
1980	2.12792244264028
1981	2.16645955156404
1982	2.18671555739687
1983	2.17083808805344
1984	2.1196551207795
1985	2.01803973730152
1986	1.85559300797436
1987	1.68730772355639
1988	1.55717340136086
1989	1.44244379082659
1990	1.3729395497862
1991	1.37825367825735
1992	1.46869421358963
1993	1.64768706116348
1994	1.91531855005993
1995	2.24733006621246
1996	2.59784406870515
1997	2.94921839212177
1998	3.25100453952459
1999	3.45937543839295
2000	3.57103773342319
2001	3.6027062792163
2002	3.57136557901798
2003	3.48412765581705
2004	3.36095319349456
2005	3.2990052125225
2006	3.3700468750677
2007	3.54304978752962
2008	3.76606868996754
2009	3.98513224879758
2010	4.11032479693301
2011	4.04472860824938
2012	3.7286446631797
2013	3.2112479864902
2014	2.64992373059082
2015	2.21189940749215
2016	2.02130367747007
2017	2.11975789060244
2018	2.44099093655589
2019	2.87314161805213
2020	3.29797515934878
2021	3.64759934179442
2022	3.93794917048949
2023	4.21390167966093