75% (2006)

69% (2007)

64% (2007)

59% (2005)

61% (1998)

58% (2003)

60% (2004)

34% (2006)

56% (2001)

76% (2001)

54% (2001)

52% (2008)

56% (2004)

22% (2008)

0% (2001)

100% (2000)

0% (2002)

0% (2007)

0% (1998)

50% (2002)