67% (2003)

68% (2004)

70% (2007)

56% (2004)

64% (2008)

66% (2005)

64% (2006)

62% (2004)

69% (2007)

54% (2005)

51% (2005)

61% (2007)

50% (2004)

59% (2004)

43% (2008)

62% (2005)

63% (2005)

44% (2005)

62% (2003)

50% (2005)