Year	% female
1970	20.1715507507324
1971	20.2042102813721
1972	20.099760055542
1973	20.3789291381836
1974	20.5702705383301
1975	20.5800590515137
1976	20.7887096405029
1977	21.2917308807373
1978	20.9119300842285
1979	21.3098392486572
1980	21.3512592315674
1981	21.7514591217041
1982	19.1908893585205
1983	19.9709491729736
1984	21.0562496185303
1985	22.2280693054199
1986	23.8656692504883
1987	25.0282001495361
1988	24.9886703491211
1989	25.2556495666504
1990	25.4180297851562
1991	24.8411102294922
1992	25.8307304382324
1993	26.4079303741455
1994	27.0509300231934
1995	26.3810901641846
1996	26.1672992706299
1997	25.9614791870117
1998	25.605770111084
1999	25.2377700805664
2000	25.6421298980713
2001	25.871919631958
2002	23.8817901611328
2003	25.4871597290039
2004	23.8691997528076
2005	22.6159191131592
2006	26.6774005889893
2007	23.6446208953857
2008	27.5868396759033
2009	29.2246894836426
2010	31.2720203399658
2011	33.8470611572266
2012	32.1843414306641
2013	33.5680885314941
2014	32.0895690917969
2015	32.6508102416992
2016	31.8665199279785
2017	32.2747611999512
2018	32.7488708496094
2019	34.4009399414062
2020	35.8305816650391
2021	35.9660301208496
2022	35.9110908508301