60% (1962)

60% (2002)

59% (2002)

65% (1993)

82% (1984)

80% (1997)

75% (2004)

0% (1984)

64% (1995)

0% (1987)

78% (1998)

67% (1984)

81% (1990)

80% (1981)

69% (1992)

64% (1990)

72% (1993)

53% (1988)

0% (1963)

65% (2005)