Year	% female
1971	11.3573398590088
1972	5.80808019638062
1973	11.8198900222778
1981	7.35294008255005
1986	20.6733303070068
1999	25.7034893035889
2003	32.8404388427734
2004	32.8614807128906
2008	36.8792381286621
2011	27.8029003143311
2013	42.7348403930664
2017	20.3141994476318
2018	29.4941291809082