Year	% female
1971	47.70877
1991	18.71724
1998	36.06907
1999	44.09247
2000	38.98621
2001	39.05295
2002	34.1956
2003	33.61767
2004	35.21016
2006	38.89447
2007	46.72304
2008	46.99769