Year	% female
1970	8.06832027435303
1976	10.1458902359009
1977	9.98474025726318
1978	10.048150062561
1979	10.5442495346069
1980	10.5004796981812
1981	12.2818002700806
1982	10.8100900650024
1983	11.9305400848389
1984	12.5419301986694
1985	18.1688995361328
1986	18.3457794189453
1990	12.7455797195435
1999	14.9367504119873
2000	15.4107503890991
2001	15.7304496765137
2002	15.8097095489502
2003	15.5846099853516
2004	15.3969602584839
2005	15.2379703521729
2006	16.100959777832
2007	18.0842208862305
2008	19.8931293487549
2009	20.3624496459961
2011	17.0550498962402
2012	17.0406608581543
2014	17.5934295654297
2016	22.6437206268311
2017	23.6602802276611
2018	24.2318000793457
2019	27.0813598632812
2020	28.2547302246094