59% (2002)

81% (1984)

57% (1988)

56% (1962)

0% (1987)

74% (1993)

65% (1993)

59% (2002)

78% (1998)

79% (1981)

80% (1990)

74% (2004)

69% (1992)

64% (1990)

52% (2008)

65% (2003)

80% (1997)

67% (1984)

60% (1983)

58% (2002)