83% (2010)

76% (1991)

62% (2000)

83% (2015)

79% (1996)

85% (2003)

77% (2015)

77% (1987)

70% (1988)

69% (1986)

79% (2004)

80% (2005)

74% (1983)

82% (1999)

72% (2001)

80% (2001)

68% (2008)

68% (1959)

81% (2024)

67% (1984)