Year	% female
1970	48.15903
1971	48.16629
1972	48.20026
1973	48.2877
1974	48.25998
1975	48.29062
1976	48.31679
1977	48.35147
1978	48.36506
1979	48.3888
1980	48.39459
1981	48.41705
1982	48.45096
1983	48.46968
1984	48.39548
1985	48.41961
1986	48.4308
1987	48.45192
1988	48.46206
1989	48.52111
1990	48.51059
1991	48.54377
1992	48.71547
1993	48.51707
1994	48.51997
1995	48.57927
1996	48.557
1997	48.4195
1998	48.35963
1999	48.37606
2000	48.43846
2001	48.43901
2002	48.44967
2003	48.45769
2004	48.48126
2005	48.46745
2006	48.47975
2007	48.47366
2008	48.42469
2009	48.444
2010	48.46409
2011	48.495
2012	48.5774
2013	48.56704
2014	48.57671
2015	48.60799
2016	48.62606
2017	48.62682
2018	48.62807