Year	% female
1970	4.36137
1971	1.90476
1972	2.46914
1974	1.22616
1977	3.81471
1983	4.61398
1984	6.71378
1985	6.30942
2001	37.61261
2005	33.65079
2006	32.96296
2007	33.95639
2014	38.79004
2015	29.65143
2016	33.8265
2017	34.89583
2018	34.8705