Year	% female
1997	46.86013
1999	46.16341
2000	46.04739
2001	45.11692
2002	45.02519
2003	45.23822
2004	45.47697
2005	45.29611
2006	45.15555
2007	45.49091
2008	46.18155
2009	46.53028
2010	46.29507
2011	46.31946
2012	46.42477
2013	46.76025
2014	47.04701
2015	47.27464
2016	47.31891
2017	47.40527