Year	% female
1971	48.36736
1972	48.26172
1973	48.41342
1974	48.43689
1975	48.74153
1976	48.76717
1977	49.2245
1978	49.36116
1979	49.34704
1980	49.55912
1981	49.68236
1982	49.54112
1983	49.78812
1984	49.41535
1985	49.44597
1986	49.17
1987	49.10878
1988	49.03934
1989	49.04518
1990	49.12052
1991	49.07062
1992	49.0445
1993	50.2981
1994	50.33704
1995	50.63836
1996	50.55005
1999	50.6303
2000	51.2323
2001	51.42563
2002	51.64196
2003	51.25249
2004	51.16855
2005	51.65622
2006	51.84356
2007	52.03184
2008	52.33245
2009	52.42225
2010	52.17376
2011	52.1321
2012	52.23633
2013	52.1697
2014	52.10666
2015	52.12979
2016	51.69941
2017	51.68019