Year	% female
1976	50.50453
1981	48.60854
1982	48.77937
1983	48.72842
1984	48.80094
1985	48.89246
1986	48.93327
1987	48.51589
1988	49.27999
1989	49.27999
1990	48.50681
1991	48.79878
1992	48.89551
1993	48.91155
1994	49.53767
1995	48.77998
1996	48.46846
1997	48.93437
1998	48.74499
1999	48.90525
2001	48.90813
2002	48.66532
2003	48.57857
2004	48.54331
2005	48.61233
2006	48.52605
2007	48.49818
2008	48.46764
2009	48.30065
2014	47.88758
2015	47.77429
2016	47.83106
2017	47.89458