Year	% female
1981	12.78317
1986	12.50445
1987	21.04701
1988	9.9015
1989	11.82735
1990	13.97575
1991	12.46612
1992	18.96745
1993	21.65053
1994	27.55259
1995	27.54663
1996	29.16667
1998	30.54929
1999	31.74792
2000	32.70978
2001	35.64718
2002	34.33703
2003	44.10355
2004	42.27082
2005	38.05283
2006	33.61689
2012	36.24868
2013	36.23188
2014	43.64345
2015	39.50851
2016	39.43951
2017	39.20516
2018	41.2656