Year	% female
1991	49.07647
1992	49.85248
1993	49.76324
1994	50.95133
1995	51.00582
1996	51.08033
1997	50.9782
1998	50.17066
1999	49.94655
2000	49.6514
2001	49.31563
2002	49.05761
2003	48.81516
2004	48.80473
2005	48.99367
2006	49.09222
2007	49.61455
2008	49.58945
2009	49.28849
2010	48.51908
2011	48.03368
2012	48.00564
2013	47.75803
2014	47.90591
2015	48.25876
2016	48.47129
2017	48.57532