70% (2024)

75% (2014)

79% (1992)

80% (2004)

72% (2016)

69% (2018)

80% (2008)

78% (2003)

75% (1979)

69% (1968)

77% (1995)

75% (1971)

74% (1976)

63% (1988)

75% (2006)

73% (1973)

72% (1973)

70% (2012)

69% (1986)

69% (2006)