69% (1958)

79% (1965)

65% (1960)

79% (1950)

74% (1961)

80% (1974)

50% (1962)

73% (1995)

0% (1948)

62% (1961)

66% (1973)

56% (1952)

66% (1955)

60% (1953)

55% (1954)

78% (1963)

64% (1957)

50% (1962)

80% (1950)

70% (1951)