Year	% female
1970	27.0086498260498
1971	27.3964099884033
1985	23.7848796844482
1986	23.5782508850098
1987	24.5150394439697
1988	24.7823104858398
1989	25.4526691436768
1990	25.958179473877
1991	26.478099822998
1992	27.2327098846436
1993	27.3443908691406
1994	27.6653308868408
1995	28.055549621582
1996	28.4515705108643
1997	29.0414791107178
1998	29.7167797088623
1999	30.4378509521484
2000	29.0702209472656
2001	27.6149196624756
2002	26.7019596099854
2003	25.3838500976562
2004	23.2671508789062
2005	23.3352909088135
2006	22.8207302093506
2007	21.4594097137451
2008	21.670970916748
2009	20.5840797424316
2010	19.4165306091309
2011	26.0294208526611
2012	25.6301403045654