81% (1984)

56% (1962)

65% (1993)

59% (2002)

75% (2004)

79% (1981)

74% (1993)

80% (1990)

69% (1992)

78% (1998)

0% (2001)

64% (1990)

58% (2002)

57% (1988)

80% (1997)

59% (2002)

0% (1984)

70% (2000)

67% (1984)

78% (1987)