80% (1994)

66% (2006)

76% (2005)

63% (2006)

59% (2004)

81% (2011)

62% (2004)

66% (2002)

69% (2010)

68% (2004)

58% (2014)

64% (2010)

73% (2011)

71% (1994)

63% (2005)

74% (2008)

65% (2006)

68% (2004)

61% (2009)

56% (2006)