Year	% female
1971	47.99965
1972	48.00004
1973	48
1974	47.99962
1975	46.00028
1976	47.70802
1977	47.52179
1978	47.75718
1979	47.68987
1982	47.8408
1985	48.26602
1986	48.10829
1987	48.48882
1988	48.52018
1989	48.9407
1990	51.03117
1991	49.07881
1992	48.71742
1993	47.84872
1994	49.33775
2001	48.94529
2002	48.66532
2005	48.32054
2006	48.33563
2007	47.87142
2008	48.25441
2009	48.20187
2010	48.0692
2011	48.18558
2012	48.09739
2013	48.54386
2014	48.59984
2015	48.43231
2016	48.2492
2017	48.28018
2018	48.1371