Year	% female
1970	48.31279
1971	48.31166
1972	48.2679
1973	48.42107
1974	48.36675
1975	48.33783
1976	48.44411
1977	48.42896
1978	48.39603
1979	48.46419
1980	48.53528
1981	48.50472
1982	48.50259
1983	48.37482
1984	48.45587
1985	48.55194
1986	48.53205
1987	48.465
1988	48.45246
1989	48.4825
1990	48.5049
1991	48.47479
1992	48.46825
1993	48.45302
1994	48.48368
1995	48.45714
1996	48.41698
1997	48.52795
1998	48.64201
1999	48.65625
2000	48.38785
2001	48.49968
2002	48.57445
2003	48.55024
2004	48.51465
2005	48.47592
2006	48.63559
2007	48.59353
2008	48.641
2009	48.69609
2010	48.63092
2011	48.75481
2012	48.64072
2013	48.71856
2014	48.76276
2015	48.79479
2016	48.79657
2017	48.7314
2018	48.73184