Year	% female
1992	36.49224
1993	38.18179
1994	40.84955
1995	42.07979
1996	40.04207
1997	39.19736
1998	36.22682
1999	35.96783
2000	35.86865
2001	36.01127
2002	35.80876
2003	35.35728
2004	35.02369
2005	35.53083
2006	35.18192
2007	35.3013
2008	34.97882
2009	34.23499
2010	32.94802
2011	32.91013
2012	32.92031
2013	33.48831
2014	34.20994
2015	34.49161
2016	33.7411
2017	33.73154