58% (1962)

55% (1988)

78% (1987)

0% (1987)

72% (1993)

81% (1984)

80% (1997)

66% (1993)

59% (2002)

70% (1989)

80% (1981)

81% (1990)

74% (2004)

79% (1998)

50% (1967)

0% (1985)

60% (1983)

59% (2002)

67% (1984)

69% (1992)