81% (2005)

81% (1989)

86% (2004)

85% (2016)

85% (2018)

74% (1999)

83% (2005)

83% (2018)

67% (1989)

70% (2005)

78% (2001)

85% (2000)

84% (1999)

82% (2008)

81% (2020)

82% (2013)

84% (1993)

76% (2014)

80% (1998)

78% (2011)