65% (1969)

55% (1985)

67% (1985)

76% (1962)

68% (1981)

55% (1983)

57% (1974)

59% (1980)

50% (1984)

60% (1992)

56% (1977)

45% (1987)

60% (1963)

70% (1981)

0% (1965)

60% (1982)

58% (1965)

35% (1978)

34% (1973)

62% (1986)