Year	% female
1970	49.71619
1986	49.39828
1987	49.34378
1988	49.32029
1989	49.61815
1990	49.61132
1991	49.56456
1994	49.00608
1995	49.35029
1997	49.17367
1998	49.1842
1999	49.09614
2000	48.57137
2001	48.87664
2002	48.92059
2003	48.83876
2004	48.73135
2005	48.73822
2006	48.71663
2007	48.84431
2008	48.84031
2009	48.74514
2010	48.63908
2011	48.56058
2012	48.50688
2013	48.48119
2014	48.56082
2015	47.82259
2016	48.70814
2017	48.65321