64% (1966)

63% (1961)

56% (1982)

81% (1972)

54% (1970)

44% (1989)

60% (1961)

50% (1963)

50% (1985)

53% (1984)

0% (1968)

62% (1954)

58% (1971)

60% (1984)

55% (1965)

72% (1982)

55% (1970)

63% (1986)

55% (1984)

50% (1955)