Year	% female
1971	48.8075
1972	48.82669
1973	48.90983
1974	49.01501
1975	49.1137
1976	49.14004
1977	49.16662
1978	48.65236
1979	48.4803
1980	48.36992
1981	48.72811
1982	48.73124
1983	48.64186
1984	48.66534
1985	48.64291
1986	48.30935
1987	48.23589
1988	48.30625
1989	48.35783
1990	48.33595
1991	48.52066
1992	48.69524
1993	48.80341
1994	48.968
1995	49.12981
1996	49.18594
1997	49.36856
1998	50.13359
1999	50.01243
2000	49.98819
2001	49.80414
2002	49.79916
2003	49.77418
2004	49.82707
2005	49.89009
2006	49.94087
2007	50.08875
2008	50.1717
2009	50.21825
2010	50.27183
2011	50.24825
2012	50.28921
2013	49.96526
2014	49.88861
2015	49.98819
2016	49.89578
2017	49.85954