44% (1953)

53% (1956)

50% (1985)

55% (1955)

48% (1958)

61% (1959)

56% (1948)

60% (1953)

40% (1980)

50% (1955)

56% (1955)

57% (1946)

66% (1953)

50% (1950)

50% (1951)

60% (1963)

46% (1954)

62% (1964)

53% (1960)

50% (1962)