85% (1966)

86% (1957)

83% (1979)

85% (1975)

62% (2003)

78% (1988)

68% (1988)

71% (1985)

70% (1962)

65% (2001)

69% (1995)

80% (1963)

76% (1960)

73% (1978)

74% (1964)

74% (1976)

71% (1963)

64% (1997)

69% (1982)

64% (1995)