69% (1969)

84% (1984)

73% (1967)

60% (1971)

46% (1985)

43% (1970)

45% (1982)

57% (1966)

48% (1968)

76% (1972)

60% (1972)

77% (1965)

61% (2000)

61% (1969)

44% (1976)

0% (1988)

50% (1974)

56% (1969)

80% (1972)

70% (1966)