40% (1982)

74% (1944)

76% (1971)

57% (2002)

63% (1991)

45% (1970)

63% (1984)

70% (2002)

67% (1966)

69% (1996)

49% (1991)

67% (1991)

49% (2009)

65% (1977)

63% (2005)

62% (1990)

59% (2006)

68% (1976)

71% (1979)

63% (1985)