Year	% female
1971	32.8713493347168
1972	32.8878593444824
1974	34.1984901428223
1975	39.2363204956055
1976	39.8154182434082
1977	40.2467308044434
1978	38.8538398742676
1979	38.0704612731934
1980	38.2965698242188
1981	39.9832916259766
1982	42.4675483703613
1983	44.914421081543
1984	49.1291809082031
1985	50.4334983825684
1986	52.8071098327637
1987	51.0287017822266
1988	53.0167388916016
1989	52.6799812316895
1993	54.165470123291
1996	55.7740516662598
1999	68.7065734863281
2000	68.6413879394531
2003	58.292308807373
2004	58.2912216186523
2007	54.6915283203125