Year	% female
1971	22.4260597229004
1972	28.3841991424561
1973	29.5860195159912
1975	30.1988105773926
1976	30.1506309509277
1978	23.3547401428223
1979	24.770320892334
1980	21.8334007263184
1982	22.1342296600342
1983	22.6152191162109
1984	22.7556304931641
1985	22.8091106414795
1986	25.359619140625
1987	28.750150680542
1988	30.402229309082
1989	32.1418685913086
1990	40.1278381347656
1991	41.3619117736816
1992	42.6320686340332
1993	41.9031982421875
1994	41.3298683166504
1995	42.8205490112305
1996	42.653018951416
1997	44.2229499816895
2000	50.0742797851562
2001	51.2046318054199
2002	51.3094482421875