Year	% female
1971	29.99066
1972	32.13261
1973	33.08058
1974	35.18301
1975	36.87943
1976	35.47726
1982	41.62786
1983	42.00558
1984	42.31245
1985	42.02281
1986	41.34142
1987	41.18883
1988	41.47483
1989	41.83622
1990	41.9179
1991	41.47165
1992	41.76416
1993	43.43718
1994	43.21769
1995	43.26462
1996	42.43436
1997	42.2783
1998	42.47253
1999	41.17401
2000	41.91563
2001	42.36884
2002	42.91419
2004	43.75834
2005	44.58352
2006	44.41529
2007	45.7815
2008	46.51122
2009	46.73064
2011	46.98813
2012	46.75847
2013	46.26152
2014	45.95687
2015	46.4204
2016	46.4092
2017	46.51554
2018	46.14395
2019	46.36031