Year	% of female population
1960	7.74008846785461
1961	7.93347008463106
1962	8.07315811025991
1963	8.22223254221037
1964	8.4270517323815
1965	8.71547498569773
1966	9.04382510792616
1967	9.36411045803914
1968	9.70715607527829
1969	10.0341906644411
1970	10.3209033524444
1971	10.6427879057701
1972	11.0057168671383
1973	11.3400894112776
1974	11.7039194162315
1975	12.0835907279781
1976	12.4517290812961
1977	12.8503146608583
1978	13.2538937353491
1979	13.6095980952725
1980	13.8111086205253
1981	13.7725804286313
1982	13.5895826885847
1983	13.4766450632141
1984	13.4068672576714
1985	13.2431908434187
1986	13.1035896058595
1987	13.0657851469276
1988	13.1540952137723
1989	13.4053316210288
1990	13.7514577109031
1991	14.1434252502012
1992	14.5911225453036
1993	15.0444315194506
1994	15.4160361228573
1995	15.6923018188348
1996	15.8756232817249
1997	15.9987068295031
1998	16.0242135005326
1999	15.9253626464619
2000	15.9013211032051
2001	16.0212157301659
2002	16.3041912481633
2003	16.7082171311959
2004	17.1211188310295
2005	17.4581114281491
2006	17.6743304269832
2007	17.6289750592434
2008	17.2417385922399
2009	16.7456628340686
2010	16.3438325627504
2011	16.2281014331998
2012	16.3656963338082
2013	16.552870342751
2014	16.849021564915
2015	17.2020134027745
2016	17.5190436299362
2017	17.8708841560087
2018	18.2340375262703
2019	18.6480963957124
2020	19.1176765086263
2021	19.4600215172812
2022	19.6900245227161
2023	20.0954161436083