60% (1962)

0% (1987)

78% (1987)

72% (1993)

80% (1997)

81% (1984)

60% (2002)

70% (1989)

65% (1993)

0% (1985)

80% (1981)

50% (1967)

74% (2004)

81% (1990)

79% (1998)

69% (1992)

67% (1984)

60% (2002)

64% (2002)

20% (1999)