Year	% female
1971	51.57171
1972	51.57932
1973	51.5854
1974	51.59039
1975	51.59454
1976	51.59806
1977	51.43345
1978	51.29638
1979	51.17759
1980	51.09389
1981	51.28384
1982	51.45025
1983	51.8018
1984	52.20779
1985	52.27848
1986	52.21538
1987	52.00149
1988	52.06338
1989	52.08024
1990	52.2928
1998	27.63158
2008	35.69737
2009	36.76106
2010	37.82101
2011	37.4065
2012	36.90863
2013	36.74496
2014	37.38259
2015	37.38923
2016	37.14955
2017	37.09222
2018	37.40435