Year	% female
1970	48.31431
1971	48.30323
1972	48.28475
1973	48.35899
1974	48.29828
1975	48.48584
1976	48.52933
1977	48.54853
1978	48.57404
1979	48.59462
1980	48.6408
1981	48.83079
1982	48.74768
1983	48.86847
1984	48.83599
1985	48.83072
1986	48.85401
1987	48.87899
1988	48.86183
1989	48.77617
1990	48.78022
1991	48.84701
1992	48.92304
1993	48.82931
1994	48.76687
1995	48.75841
1996	48.80769
1997	48.78793
1998	48.70882
1999	48.62021
2000	48.62163
2001	48.50005
2002	48.42506
2003	48.33823
2004	48.40437
2005	48.40296
2006	48.41729
2007	48.4231
2008	48.45893
2009	48.46167
2010	48.37317
2011	48.30467
2012	48.36769
2013	48.56567
2014	48.55817
2015	48.53424
2016	48.52626
2017	48.34826
2018	48.34191