80% (1997)

58% (2000)

58% (2002)

81% (2006)

80% (2018)

86% (2001)

84% (2004)

86% (2007)

85% (2006)

67% (2005)

85% (2012)

80% (2008)

84% (2002)

77% (2001)

83% (2000)

74% (1995)

85% (2005)

66% (2000)

78% (2014)

73% (2009)