76% (2003)

84% (2005)

78% (2002)

84% (2008)

82% (2005)

76% (2000)

81% (2017)

76% (2012)

79% (2010)

81% (2011)

82% (2017)

75% (2003)

76% (2009)

80% (2017)

80% (2018)

79% (2007)

68% (2005)

77% (2010)

81% (2005)

73% (1995)