43% (1970)

84% (1984)

73% (1967)

69% (1969)

77% (1965)

76% (1972)

48% (1968)

60% (1972)

62% (1971)

50% (1974)

70% (1966)

45% (1982)

46% (1985)

67% (1966)

61% (2000)

0% (1988)

70% (1971)

57% (1966)

80% (1972)

55% (1970)