Year	% female
1976	51.56829
1977	51.28936
1978	51.01234
1979	50.69132
1980	51.36544
1982	52.08611
1983	52.35632
1985	52.72774
1986	52.34024
1987	51.25819
1992	49.65662
1993	49.53287
1995	49.25268
1997	54.99821
1999	49.42511
2002	51.02639
2004	49.62245
2005	49.70551
2006	49.79975
2007	50.39308
2008	50.05669
2009	50.0992
2010	50.83125
2011	50.39275
2012	51.22485
2013	51.29096
2014	50.63918
2015	50.37258
2016	50.53904
2017	50.74821
2018	51.74453