73% (1967)

84% (1984)

69% (1969)

62% (1971)

61% (1969)

48% (1968)

46% (1985)

76% (1972)

61% (2000)

60% (1972)

45% (1982)

57% (1966)

80% (1972)

77% (1965)

67% (1966)

44% (1976)

50% (1974)

43% (1970)

56% (1969)

70% (1971)