Year	% female
1970	32.8947410583496
1971	40.7894706726074
1972	36.5853691101074
1973	31.7073192596436
1974	42.391300201416
1977	29.4117603302002
1978	34.1463394165039
1979	32.5757598876953
1980	38.9610404968262
1981	31.2977104187012
1982	31.2977104187012
1983	34.6153793334961
1984	39.0410995483398
1985	37.5
1986	32.7485389709473
1987	33.3333282470703
1988	28.0219802856445
1989	32.6271209716797
1990	31.9838104248047
1991	38.9830513000488
1992	40.0843887329102
1995	36.981128692627
1996	38.8461494445801
1998	27.3972606658936
2001	47.4387512207031
2002	47.5088996887207
2003	49.6503486633301
2004	50
2005	47.5627784729004
2006	48.1889801025391
2007	49.3108711242676
2008	47.7409591674805
2010	51.1209983825684
2011	53.1679992675781
2012	54.3569984436035