75% (2006)

63% (2007)

48% (2001)

58% (2005)

56% (2003)

54% (2001)

69% (2007)

59% (2004)

52% (2008)

0% (2002)

50% (2002)

56% (2004)

0% (1998)

22% (2008)

100% (2000)

0% (2007)

40% (2004)

76% (2001)

60% (2004)

31% (2006)