Year	% female
1971	32.71768
1972	37.39456
1973	37.46556
1974	33.84842
1975	32.75418
1976	31.68813
1982	30.37291
1983	31.54211
1984	31.45481
1985	32.32222
1986	33.37947
1987	34.87448
1988	34.7991
1989	34.40942
1990	35.15647
1991	34.99096
1992	35.09225
1993	38.6985
1994	38.61793
1995	37.56918
1996	38.92886
1997	38.53259
1999	38.87553
2000	39.0803
2001	38.11045
2002	37.88872
2004	39.57791
2005	38.95978
2006	39.96285
2007	40.22943
2008	40.80417
2009	42.03188
2011	44.07014
2012	43.08715
2013	43.02497
2014	44.00358
2015	44.4041
2016	45.19448
2017	45.09286
2018	45.2657
2019	46.30726