Year	% female
1989	49.19974
1990	50.75964
1991	49.0198
1992	49.15009
1993	49.10974
1994	48.87285
1995	48.24822
1996	48.24728
1997	48.2479
1998	48.34981
1999	48.33178
2000	48.44981
2001	48.55772
2002	48.43184
2003	48.2048
2004	48.05469
2005	47.8517
2006	47.91106
2007	47.76464
2008	47.7687
2009	48.08379
2010	48.46822
2011	48.55544
2012	48.53628
2013	48.5998
2014	48.6822
2015	48.69526
2016	48.72993
2017	48.90129