62% (2003)

85% (1966)

85% (1957)

84% (1975)

79% (1963)

65% (1973)

68% (1989)

83% (1979)

79% (1980)

71% (1985)

65% (2001)

63% (1999)

68% (1988)

69% (1982)

73% (1964)

70% (1963)

75% (1960)

70% (1962)

71% (1963)

74% (1976)