Year	% female
1981	51.01487
1982	50.53207
1983	50.9041
1984	51.04021
1985	51.40809
1986	51.66501
1987	52.00618
1988	52.64403
1989	52.68583
1990	51.83653
1991	52.62616
1992	52.59718
1993	52.69174
1994	52.67673
1995	52.92557
1996	52.9305
1997	52.57987
1998	52.93415
1999	52.94002
2000	52.63376
2001	52.27125
2002	52.17098
2003	52.21534
2004	51.97222
2005	51.98785
2006	52.23913
2007	52.43588
2008	52.65298
2009	52.5255
2010	52.10907
2011	51.85292
2012	51.85643
2013	51.94867
2014	51.78809
2015	51.58055
2016	51.53087
2017	51.89632