78% (2008)

77% (2010)

77% (2021)

78% (2013)

72% (2002)

80% (2014)

76% (2011)

61% (2015)

75% (2016)

66% (2006)

81% (2013)

62% (2015)

70% (2004)

76% (2010)

69% (2008)

78% (2006)

74% (2008)

70% (2011)

73% (2015)

67% (2017)