81% (1984)

56% (1962)

65% (1993)

59% (2002)

79% (1981)

80% (1990)

74% (2004)

78% (1998)

69% (1992)

74% (1993)

64% (1990)

80% (1997)

0% (1987)

67% (2003)

72% (2005)

61% (2005)

0% (1984)

59% (2002)

60% (1983)

67% (1984)