Year	% female
1970	23.34452
1971	22.8557
1972	23.11429
1975	25.2623
1976	24.74276
1978	29.00718
1979	27.99282
1980	28.32037
1999	40.76132
2000	42.42498
2006	42.71766
2008	42.88305
2009	42.88034
2011	43.85491
2016	47.3383
2017	47.30825