2000 94.17% 0.00% 5.83%
2001 87.69% 1.95% 10.36%
2002 88.00% 4.19% 7.81%
2003 73.22% 13.75% 13.03%
2004 64.44% 21.60% 13.97%
2005 55.46% 39.63% 4.91%