60% (1962)

0% (1987)

78% (1987)

81% (1984)

60% (2002)

80% (1997)

72% (1993)

80% (1981)

66% (1993)

74% (2004)

60% (2002)

55% (1988)

60% (1983)

80% (1990)

70% (1989)

0% (1985)

20% (1999)

64% (1995)

67% (1984)

78% (1998)