Year	% female
1971	48.06847
1972	48.28578
1973	48.35599
1974	48.37674
1975	48.51022
1976	48.44914
1977	48.53375
1978	48.45121
1979	48.49325
1980	48.48353
1981	48.53433
1982	48.59682
1983	48.61606
1984	48.62115
1985	48.65806
1986	48.60442
1987	48.67854
1988	48.78092
1989	48.79631
1990	48.72456
1991	48.72494
1992	48.70412
1994	48.55945
1995	48.55365
1996	48.48276
1997	48.42535
1998	48.47236
1999	48.40175
2000	48.43796
2001	48.44477
2002	48.44925
2003	48.48614
2004	48.44361
2005	48.27539
2006	48.28764
2007	48.24145
2008	48.31831
2009	48.39439
2010	48.41289
2011	48.42716
2012	48.411
2013	48.36432
2014	48.4128
2015	48.5505
2016	48.62169
2017	48.5802