79% (2021)

79% (1999)

84% (2005)

71% (1993)

80% (1996)

86% (2004)

83% (2005)

73% (2014)

86% (2012)

77% (2013)

75% (2010)

80% (2010)

61% (1998)

76% (1997)

79% (1962)

82% (2009)

77% (2000)

83% (2006)

65% (1995)

84% (2008)