Year	% female
1971	35.6686
1972	35.65993
1973	37.92496
1974	36.40617
1975	36.21596
1976	35.67175
1977	36.19151
1978	35.93966
1979	36.26303
1980	36.02346
1981	36.10227
1982	36.61755
1983	36.62289
1984	36.58557
1985	37.13578
1986	37.23559
1987	37.17068
1988	37.19078
1989	37.31426
1990	36.9736
1991	36.92119
1992	36.97136
1993	37.61851
1994	38.3479
1995	40.03011
1996	39.3603
1997	39.29462
1998	40.62354
1999	41.00299
2000	42.02012
2001	41.65573
2002	42.34156
2003	42.68147
2004	43.11712
2005	43.41183
2006	44.01256
2007	44.41284
2008	44.83529
2009	45.13498
2010	45.48931
2011	45.84102
2012	45.94913
2014	46.26999
2015	46.53807
2016	46.10188
2017	46.42025
2018	46.5862