85% (1966)

65% (2001)

86% (1957)

83% (1979)

74% (1964)

62% (2003)

80% (1963)

84% (1975)

73% (1976)

67% (1988)

71% (1985)

70% (1962)

69% (1982)

64% (1997)

64% (1989)

78% (1988)

68% (1968)

63% (1995)

75% (1960)

75% (1932)