79% (2002)

81% (1978)

64% (1971)

82% (2009)

70% (2012)

77% (1995)

73% (2011)

82% (2015)

73% (2001)

81% (1999)

76% (1988)

74% (1993)

71% (1993)

80% (1990)

73% (1999)

84% (2002)

81% (1975)

82% (2020)

74% (2003)

86% (2003)