86% (2004)

80% (1989)

81% (2005)

74% (1999)

70% (2005)

85% (2000)

85% (2016)

83% (2005)

83% (2018)

85% (2018)

82% (2008)

85% (1992)

78% (2001)

84% (1999)

68% (2005)

67% (2009)

73% (1997)

78% (2011)

77% (1987)

82% (2013)