Year	% female
1970	48.76119
1971	48.72079
1972	48.52396
1973	48.68154
1974	48.79099
1975	48.65177
1976	48.62689
1977	48.79591
1978	48.74928
1979	48.79612
1980	48.90978
1981	48.85682
1982	48.82769
1983	48.76314
1984	48.75641
1985	48.86915
1986	48.88985
1987	48.88796
1988	49.00958
1989	48.96614
1990	49.01745
1991	48.79502
1992	48.78188
1993	48.66503
1994	48.5318
1995	48.49001
1996	48.44618
1997	48.42178
1998	48.35726
1999	48.40622
2000	48.41321
2001	48.45667
2002	48.45837
2003	48.44972
2004	48.39831
2005	48.34348
2006	48.30051
2007	48.2877
2008	48.28173
2009	48.25798
2010	48.26441
2011	48.28413
2012	48.32143
2013	48.41056
2014	48.43878
2015	48.4672
2016	48.50167
2017	48.51354
2018	48.51194