60% (1962)

60% (2002)

60% (2002)

81% (1984)

66% (1993)

0% (1984)

0% (1987)

74% (2004)

80% (1997)

72% (2005)

78% (1998)

81% (1990)

80% (1981)

64% (1995)

69% (1992)

67% (1984)

64% (1990)

72% (1993)

70% (2000)

64% (2002)