Year	% female
1981	53.27256
1993	50.58189
1995	51.85109
1996	51.79946
1997	51.68182
1998	51.30511
1999	51.15399
2000	50.52748
2001	50.13271
2002	49.79565
2003	49.7012
2004	50.13508
2005	50.11837
2006	50.27732
2007	50.31022
2008	50.4249
2009	50.51135
2010	50.28744
2011	50.06423
2012	49.56492
2013	49.06951
2014	49.00255
2015	48.96077
2016	48.97848
2017	49.0935