50% (1971)

79% (1951)

62% (1952)

60% (1953)

57% (1963)

56% (1950)

68% (1959)

50% (1963)

60% (1942)

47% (1980)

56% (1952)

50% (1966)

61% (1961)

50% (1950)

53% (1949)

80% (1963)

53% (1961)

50% (1981)

50% (1970)

50% (1975)