Year	% female
1970	49.32838
1971	49.36583
1972	49.42129
1973	49.26443
1974	49.16041
1975	49.1173
1976	49.43705
1977	49.358
1978	49.41535
1979	49.33347
1980	49.36392
1981	49.40895
1982	49.1719
1983	49.2548
1984	49.25327
1985	49.22347
1986	49.06133
1987	48.92529
1988	49.14148
1989	49.24023
1990	49.44145
1991	49.32979
1992	49.15134
1993	48.97314
1994	49.09085
1995	49.06605
1996	49.12217
1997	49.12872
1998	49.05842
1999	49.08716
2000	48.96297
2001	48.87888
2002	48.89728
2003	48.82976
2004	48.79685
2005	48.70267
2006	48.71004
2007	48.75858
2008	48.6905
2009	48.64335
2010	48.5902
2011	48.71057
2012	48.8136
2013	48.50595
2014	48.61378
2015	49.2835
2016	48.68865
2017	48.68558
2018	48.45279