Year	% female
1970	42.71786
1971	42.70569
1972	42.60797
1973	42.81387
1974	42.70211
1975	43.34299
1976	43.54389
1977	43.60932
1978	43.85229
1979	43.77006
1980	44.31799
1981	45.72841
1982	44.44903
1983	44.90693
1984	44.75654
1985	44.87195
1986	45.0786
1987	45.19302
1988	45.23675
1989	44.84457
1990	44.60426
1991	44.70792
1992	44.82448
1993	44.69143
1994	44.55819
1995	44.30542
1996	44.32824
1997	44.15554
1998	42.60772
1999	42.74019
2000	42.82999
2001	42.88286
2002	42.693
2003	42.30413
2004	42.17446
2005	42.74717
2006	42.36031
2007	42.4422
2008	42.60597
2009	42.54271
2010	42.69694
2011	42.63623
2012	42.90592
2013	44.01382
2014	43.92854
2015	43.94185
2016	44.07871
2017	43.84612
2018	43.75331