Year	% female
1970	53.04046
1971	52.82174
1972	52.3846
1973	52.74416
1978	51.74238
1979	52.37239
1994	53.41553
1995	53.70273
1998	56.04638
1999	52.95521
2000	52.20891
2001	52.21003
2002	51.95545
2003	52.49216
2004	52.5829
2005	52.57965
2006	52.77144
2007	48.75904
2008	52.19768
2009	52.15899
2010	53.06148
2017	51.56352