Year	% female
1970	48.4024
1971	48.37154
1972	48.51839
1973	48.53768
1974	48.46142
1975	48.56604
1976	48.62927
1977	48.66888
1978	48.69237
1979	48.68908
1980	48.73919
1981	48.67903
1982	48.59461
1983	48.56386
1984	48.67438
1985	48.64227
1986	48.71696
1987	48.71547
1988	48.81149
1989	48.64486
1990	48.3881
1991	48.53072
1992	48.47488
1993	48.55349
1994	48.60944
1995	48.67859
1996	48.68399
1997	48.58587
1998	48.58214
1999	48.5568
2000	48.55863
2001	48.3647
2002	48.41812
2003	48.46791
2004	48.4827
2005	48.51989
2006	48.60352
2007	48.74814
2008	48.75977
2009	48.84662
2010	48.86052
2011	48.94299
2012	48.90965
2013	48.8464
2014	48.68298
2015	48.64379
2016	48.67068
2017	48.60443