Year	% female
1976	46.62673
1978	46.50518
1979	46.70542
1980	46.08197
1981	45.96571
1982	46.29271
1983	47.1153
1984	47.01205
1985	46.37742
1986	46.25219
1987	46.53735
1988	46.53605
1989	46.44818
1990	46.11871
1991	46.33388
1992	48.84886
1993	50.01586
1994	49.41524
1995	48.73308
1996	48.63768
1997	48.52623
1999	48.43027
2000	48.47729
2001	48.65295
2004	47.93991
2005	47.88772
2006	48.0021
2007	48.13348
2008	48.02695
2009	48.60584
2010	47.79232
2011	47.34738
2012	47.16365
2013	46.91698
2014	46.59472
2015	46.86349
2016	47.07269
2017	47.08215
2018	47.09416