53% (1960)

62% (1964)

57% (1946)

55% (1955)

61% (1959)

50% (1950)

46% (1954)

50% (1985)

66% (1953)

57% (1955)

49% (1953)

50% (1949)

56% (1948)

56% (1955)

44% (1953)

57% (1950)

50% (1948)

40% (1980)

48% (1958)

55% (1972)