76% (1969)

72% (2011)

68% (1973)

68% (1979)

85% (1959)

72% (1998)

79% (1971)

81% (1987)

72% (2007)

68% (1978)

71% (1985)

70% (2014)

80% (1965)

72% (1977)

58% (1963)

63% (1982)

76% (2018)

65% (1960)

72% (1995)

56% (1987)