60% (1966)

48% (1969)

50% (1962)

50% (1964)

59% (1981)

57% (1969)

72% (1961)

47% (1982)

55% (1955)

62% (1949)

53% (1979)

60% (1955)

45% (1972)

70% (1962)

55% (1957)

50% (1984)

50% (1957)

50% (1949)

50% (1971)

48% (1973)