66% (1954)

71% (1952)

59% (1977)

70% (1966)

64% (1966)

70% (1952)

79% (1965)

75% (1955)

50% (1949)

50% (1959)

69% (1966)

63% (1961)

67% (1969)

59% (1958)

53% (1964)

51% (1963)

35% (1956)

84% (1967)

52% (1971)

64% (1958)