Year % female 1975 24.3450698852539 1976 24.0075302124023 1977 25.3313694000244 1978 25.2962799072266 1983 21.9117794036865 1984 21.9962902069092 1985 21.9975395202637 1988 28.1964797973633 1989 29.4207305908203 2001 38.3731117248535 2011 25.0754108428955 2012 25.6052894592285 2013 27.1056098937988 2015 27.7944602966309 2016 28.990140914917 2017 26.9421501159668 2018 29.6435508728027 2019 29.9216594696045 2020 30.8331699371338 2021 31.2981491088867