Year	% female
1970	56.28458
1971	56.2873
1972	56.1842
1973	56.28343
1976	56.69896
1978	52.67764
1979	53.23712
1994	54.66093
1995	55.13893
1998	55.36319
1999	55.21849
2000	54.72379
2001	54.47337
2002	52.61036
2004	53.89088
2005	53.73344
2006	54.0379
2007	49.78434
2008	53.65163
2009	53.42786
2010	54.20754
2017	54.94395