75% (1995)

77% (1995)

72% (1990)

72% (1988)

63% (2003)

70% (1999)

73% (1996)

65% (1991)

67% (1986)

81% (1994)

74% (1987)

70% (1987)

79% (1985)

0% (1962)

64% (2009)

68% (1990)

55% (1989)

67% (1999)

0% (1986)

62% (1994)