80% (1959)

80% (1964)

77% (1961)

78% (1971)

81% (1951)

80% (1947)

72% (1957)

84% (1952)

77% (1968)

78% (1965)

82% (1953)

77% (1946)

78% (1941)

75% (1940)

74% (1952)

68% (1954)

67% (1962)

75% (1950)

78% (1967)

72% (1963)