76% (1979)

75% (2014)

69% (2024)

80% (2004)

72% (2016)

80% (1992)

80% (2008)

78% (2003)

69% (2018)

74% (1973)

72% (1985)

70% (2012)

74% (1971)

78% (1995)

72% (2009)

69% (1968)

59% (1990)

64% (2000)

72% (1973)

76% (2008)