Year	% of female population
1960	1.8423869721169848
1961	1.8937553939218021
1962	1.9455597011553374
1963	1.9857529712077726
1964	2.0384192224344377
1965	2.0997585053534342
1966	2.1566802889686354
1967	2.218782511389781
1968	2.2769161798368858
1969	2.3339962465518425
1970	2.393345776865536
1971	2.4494877790367244
1972	2.5091779172914577
1973	2.573377636613725
1974	2.64115304496688
1975	2.7093592840663576
1976	2.786639573253674
1977	2.8792464263986783
1978	2.975823764821176
1979	3.076958004679733
1980	3.1831395048797133
1981	3.292950597597886
1982	3.41698798707366
1983	3.536693076048562
1984	3.6555033693725845
1985	3.7804903325820836
1986	3.904280297043173
1987	4.041482673687485
1988	4.191764330616607
1989	4.344578360818409
1990	4.490763696185324
1991	4.622712286157709
1992	4.760961207362163
1993	4.903374876010248
1994	5.030157319854581
1995	5.0957123158828805
1996	5.0525892208007255
1997	4.9475526525826705
1998	4.837654423671897
1999	4.78763899971677
2000	4.89070015729548
2001	5.099428761338377
2002	5.295562328827062
2003	5.457880131443769
2004	5.620913210225977
2005	5.795774115907055
2006	5.966046113291347
2007	6.121710403432618
2008	6.2634286558979255
2009	6.406700476497544
2010	6.562722938052631
2011	6.719114508363286
2012	6.850071057801588
2013	6.966575165899633
2014	7.102969079564327
2015	7.239883986508033
2016	7.367852461026738
2017	7.489886381558072
2018	7.612304526569732
2019	7.758089975026203
2020	7.8943101171965475
2021	7.9866465002608775
2022	8.041369881219314
2023	8.107896506816786