Year	% female
1978	45.71827
1979	45.80249
1980	45.85634
1981	45.87736
1982	46.2091
1983	46.54881
1984	46.63542
1985	46.21
1986	46.64779
1987	48.06435
1992	48.21482
1993	48.07384
1994	48.05882
1995	48.04365
1996	48.02806
1997	48.12045
1998	48.7326