83% (1997)

80% (2004)

81% (2015)

83% (2004)

70% (2025)

79% (1999)

78% (2021)

76% (1995)

73% (2014)

71% (2016)

76% (2015)

77% (1989)

78% (2006)

76% (2010)

71% (2000)

74% (2015)

77% (2009)

78% (2021)

71% (1997)

74% (2009)