Year	% female
1971	26.0566902160645
1972	26.7493190765381
1973	26.9945297241211
1974	27.6529998779297
1975	23.8806800842285
1976	24.3929691314697
1977	24.8547191619873
1978	25.367130279541
1979	25.7684993743896
1980	25.963939666748
1981	26.3397903442383
1982	26.2478199005127
1983	27.0764904022217
1984	27.2839698791504
1985	27.5165901184082
1986	28.0114002227783
1987	28.2071399688721
1988	28.5858306884766
1989	28.9009609222412
1990	29.3745193481445
1991	29.9871406555176
1992	30.6506900787354
1994	33.1572113037109
1995	32.6861915588379