62% (1983)

75% (1967)

70% (1990)

59% (1976)

72% (1971)

78% (1974)

76% (1985)

77% (1974)

0% (1973)

72% (1976)

58% (1967)

64% (1973)

77% (1979)

60% (1978)

55% (1976)

69% (2009)

68% (1973)

56% (1989)

67% (1973)

67% (1965)