81% (2005)

81% (1989)

85% (2016)

86% (2004)

74% (1999)

84% (2018)

83% (2005)

82% (2018)

70% (2005)

85% (2000)

82% (2013)

78% (2001)

84% (1999)

82% (2008)

78% (2011)

76% (2014)

84% (1993)

81% (2020)

77% (1987)

80% (1998)