Year	% female
1975	34.79405
1976	34.99369
1977	34.78596
1978	35.1849
1979	35.63559
1980	35.18416
1981	35.49394
1982	38.42975
1983	39.11523
1984	40.51263
1985	40.61805
1986	37.96656
1987	42.79323
1988	42.78558
1989	43.1845
1990	39.41124
1991	38.90129
1992	39.23949
1993	39.73764
1994	44.28925
1995	45.41056
1996	46.30216
1997	45.1053
1998	46.10582
1999	47.2038
2000	47.21404
2001	47.30726
2002	46.92665
2003	46.96316
2004	48.22673
2005	49.26533
2006	49.48004
2007	49.00043
2008	48.72359
2009	48.51195
2010	44.65308
2011	44.5386
2012	44.44382
2013	44.05945
2014	44.04904
2015	44.5599
2016	43.93339
2017	43.40772
2018	42.74538