Year	% female
1973	18.4049091339111
1977	23.7804908752441
1985	21.1480407714844
1987	25.8152198791504
1992	20.9722194671631
1993	19.72633934021
1994	22.328929901123
1995	21.2587394714355
2004	21.8203506469727
2005	21.1698207855225
2006	19.4426193237305
2007	23.4811706542969
2010	22.9939002990723
2011	24.8220996856689
2012	25.8225193023682
2013	25.3728694915771
2014	25.8270492553711
2017	26.224100112915
2018	28.3962001800537