Year	% female
2004	39.37903
2005	39.75
2009	43.71909
2010	43.57405
2011	45.70612
2012	44.19732
2013	43.55895
2014	42.59635
2015	41.19894
2016	39.26682
2017	40.65258
2018	41.96176