0% (1965)

48% (1954)

63% (1990)

73% (1969)

70% (1979)

79% (1988)

68% (1961)

66% (1967)

69% (1961)

53% (1976)

68% (1985)

0% (1973)

72% (1964)

65% (1986)

68% (1986)

69% (1986)

62% (1968)

62% (1986)

50% (1990)

56% (1986)