79% (2016)

55% (2008)

80% (2007)

78% (2014)

73% (2013)

65% (2013)

58% (2014)

74% (2008)

72% (2014)

74% (2013)

74% (2012)

58% (2010)

68% (2007)

67% (2004)

73% (2004)

62% (2006)

64% (2016)

56% (2016)

67% (2006)

71% (2006)