0% (1982)

28% (1959)

56% (1979)

54% (1973)

60% (1980)

64% (1970)

70% (1982)

62% (1985)

62% (1982)

69% (1970)

32% (1983)

40% (1991)

49% (1980)

59% (1974)

80% (1977)

45% (1983)

58% (1959)

80% (1967)

80% (1973)

34% (1989)