Year	% female
1970	47.02732
1971	47.00623
1972	47.32989
1973	47.22721
1974	47.41421
1975	47.42056
1976	47.38361
1977	47.44078
1978	47.50371
1979	47.49503
1980	47.57056
1981	47.63141
1982	47.59349
1983	47.55284
1984	47.64542
1985	47.76944
1986	47.93242
1987	48.04937
1988	48.13039
1989	48.29915
1990	48.27383
1991	48.37285
1992	48.29996
1993	48.38012
1994	48.3661
1995	48.45656
1996	48.46295
1997	48.47921
1998	48.37797
1999	48.22251
2000	48.21454
2001	48.23216
2002	48.23422
2003	48.29394
2004	48.35732
2005	48.40551
2006	48.36294
2007	48.29901
2008	48.25697
2009	48.25316
2010	48.08165
2011	48.13325
2012	48.25936
2016	48.15821