Year	% female
1971	39.5838317871094
1972	36.3118705749512
1973	40.5224685668945
1974	42.5724716186523
1975	42.4574890136719
1976	45.2805595397949
1977	49.5673599243164
1978	49.3217315673828
1979	50.8302307128906
1980	52.7768402099609
1981	53.5106391906738
1982	54.880729675293
1983	57.5612716674805
1984	59.3166999816895
1985	60.4777717590332
1986	60.9149398803711
1987	60.3636207580566
1988	63.2259101867676
1989	62.7970314025879
1990	63.587818145752
1991	64.1338882446289
1992	63.7720794677734
1993	64.1206130981445
1994	63.7882118225098
1995	64.0160903930664
1996	64.5908584594727
1997	65.1858520507812
1998	65.2224197387695
1999	65.4054183959961
2000	67.7710037231445
2001	67.624641418457
2002	69.0231628417969