69% (1969)

74% (1967)

84% (1984)

60% (1971)

76% (1972)

45% (1982)

67% (1966)

46% (1985)

77% (1965)

57% (1966)

43% (1970)

56% (2000)

48% (1968)

60% (1972)

44% (1976)

70% (1966)

50% (1974)

61% (1969)

56% (1969)

55% (1970)