Year	% female
1971	48.44049
1972	48.48603
1973	48.48989
1974	48.46309
1975	48.39204
1976	48.50306
1977	48.57827
1978	48.54555
1979	48.54304
1980	48.41553
1981	48.49586
1982	48.61288
1983	48.62069
1984	48.62975
1985	48.61519
1986	48.61711
1987	48.53235
1988	48.52186
1989	48.34226
1990	48.19133
1991	48.09032
1992	48.01962
1993	48.08773
1994	48.57156
1995	48.34747
1996	48.20937
1997	48.19218
1998	48.15904
1999	48.13128
2000	48.119
2001	48.08487
2002	48.21404
2003	48.23522
2004	48.28162
2005	48.35234
2006	48.28838
2007	48.33921
2008	48.50001
2009	48.55885
2010	48.47584
2011	48.40485
2012	48.29973
2013	48.29211
2014	48.34145
2015	48.30992
2016	48.33473
2017	48.47015