Year	% female
1970	46.82927
1975	47.99588
1980	48.55312
1981	48.64009
1982	48.61501
1983	48.54183
1984	48.63292
1985	48.57214
1987	48.62549
1988	48.60568
1989	48.59026
1990	48.6316
1991	48.61146
1992	48.68562
1993	48.68854
1994	48.75608
1995	48.68877
1996	48.68668
1998	48.57597
1999	48.31802
2000	48.70417
2001	48.68436
2002	48.66652
2003	48.59518
2004	48.58656
2005	48.58152
2006	48.63426
2007	48.70013
2008	48.73301
2009	48.72571
2010	48.70222
2011	48.70381
2012	48.6801
2013	48.67401
2014	48.66897
2015	48.66896
2016	48.86587
2017	48.90068