Year	% female
1971	49.28995
1972	49.15695
1973	49.17749
1974	49.42942
1975	49.50848
1976	49.73547
1977	49.4118
1978	49.61647
1979	49.61401
1980	49.40664
1981	50.00269
1982	49.52784
1983	50.00029
1984	49.59308
1985	49.70614
1986	49.73501
1987	49.47832
1988	49.51303
1989	49.41108
1990	49.79037
1991	49.28657
1992	49.33149
1993	49.32244
1994	49.37158
1995	49.23762
1996	49.17634
1997	49.17141
1998	49.04372
1999	49.12488
2000	49.06249
2001	48.84595
2002	49.08752
2003	48.60745
2004	48.51107
2005	48.61029
2007	48.51584
2008	48.4566
2009	48.3768
2010	48.45984