79% (2021)

68% (1981)

67% (2015)

78% (2024)

61% (2002)

79% (1996)

80% (2005)

88% (2009)

77% (1979)

85% (2011)

86% (1989)

62% (1993)

80% (2024)

85% (2015)

87% (2023)

90% (2018)

54% (1997)

81% (2005)

83% (2016)

77% (2003)