73% (1967)

69% (1969)

84% (1984)

62% (1971)

48% (1968)

46% (1985)

61% (1969)

60% (1972)

45% (1982)

61% (2000)

76% (1972)

57% (1966)

77% (1965)

43% (1970)

80% (1972)

70% (1971)

50% (1974)

0% (1988)

70% (1966)

67% (1966)