Year	% female
1974	12.9112997055054
1975	12.5828504562378
1976	12.6716899871826
1977	12.6059303283691
1978	12.3849697113037
1981	13.1557703018188
1985	12.913610458374
1986	13.2395000457764
1987	14.2749395370483
1988	15.1854200363159
1989	16.2886905670166
1990	17.2756309509277
1991	18.302490234375
1992	19.2705707550049
1993	20.1919002532959
1994	21.5940494537354
1995	22.8001804351807
1996	24.1256008148193
1997	25.3191795349121
1998	26.4465198516846
1999	27.5376396179199
2000	25.1308097839355
2001	22.7032299041748
2002	20.8019695281982
2003	18.8989906311035
2004	17.2373600006104
2005	16.6086101531982
2006	16.1367301940918
2007	15.6804399490356
2008	14.9517803192139
2009	13.0728101730347
2010	11.5911502838135
2011	20.0007095336914
2012	20.9858798980713
2013	21.5344696044922
2014	20.1663093566895
2015	20.7534999847412
2016	20.4340591430664
2017	20.4766807556152
2018	20.0648403167725
2019	20.1316204071045
2020	20.0388202667236