Year	% female
1980	49.66802
1981	49.70098
1982	49.76316
1983	49.75702
1984	49.75321
1985	49.73035
1986	49.7253
1987	49.70655
1988	49.71049
1989	49.67583
1990	49.71818
1991	49.76761
1992	49.86444
1993	49.80727
1994	49.77683
1995	49.85059
1996	49.92112
1997	49.97283
1998	49.94812
1999	49.78794
2000	49.88738
2001	49.6123
2002	49.54086
2003	49.49235
2004	49.64748
2005	49.45085
2006	49.57878
2007	49.60224
2008	49.62119
2009	49.74726
2010	49.66858
2011	49.61506
2012	49.70577
2013	49.61788
2014	49.59272
2015	49.51901
2016	49.45918
2017	49.22546
2018	49.21489