61% (1950)

65% (1949)

59% (1973)

60% (1947)

59% (1961)

65% (1959)

58% (1953)

61% (1949)

67% (1961)

53% (1960)

61% (1945)

62% (1951)

40% (1947)

56% (1957)

80% (1951)

63% (1948)

66% (1950)

76% (1972)

65% (1959)

50% (1973)