Year	% female
1971	47.67316
1972	46.50699
1973	39.34156
1974	25.81206
1975	26.60803
1976	14.98494
1977	10.13514
1978	8.49598
1979	3.68794
1980	0
1981	0
1982	0
1983	0
1984	5.72363
1985	8.68085
1986	7.57967
1987	10.77283
1988	9.56938
1989	9.38586
1990	13.06413
1992	21.4511
1993	19.58296
1994	33.48457
1995	34.23221
1996	28.55696
1997	31.59316
1998	35.77236
1999	21.37309
2000	38.98673
2001	39.01345
2003	40.88434
2004	46.73222
2005	51.42388
2006	8.29146
2007	10.62581
2008	6.58904
2009	10.37649
2010	8.21229
2012	60.89077
2013	36.33285
2014	36.52287
2015	58.4055