Year	% female
1986	51.51932
1987	50.75266
1991	51.14625
1992	52.03776
1993	50.05367
1994	50.12504
1995	50.38058
1996	50.95181
1997	50.82471
1999	51.23505
2000	50.87153
2001	50.85144
2003	50.25737
2004	51.10737
2005	50.47807
2006	51.32467
2007	51.09314
2008	51.40068
2009	51.54086
2010	51.79922
2011	51.54347
2012	50.9281
2013	51.13847
2014	51.12189
2015	51.05285
2016	50.56695
2017	51.3717
2018	50.89064