78% (2024)

77% (1959)

60% (2006)

64% (1964)

56% (1972)

71% (1960)

72% (1948)

72% (1962)

72% (1965)

67% (1961)

68% (1957)

54% (1968)

41% (1972)

68% (1959)

63% (1969)

72% (1966)

70% (1970)

64% (1963)

61% (1969)

67% (1971)