60% (2006)

78% (2024)

70% (1959)

53% (1970)

72% (1965)

64% (1964)

56% (1972)

68% (1957)

69% (1961)

63% (1968)

68% (1964)

62% (1971)

56% (1968)

73% (1964)

71% (1971)

72% (1966)

63% (2009)

66% (1969)

62% (1974)

71% (1960)