71% (1949)

76% (1932)

69% (1953)

71% (1953)

68% (1982)

71% (1949)

60% (1993)

71% (1939)

69% (1940)

57% (1982)

69% (1977)

76% (1939)

62% (1999)

73% (1982)

64% (1953)

60% (1983)

69% (2006)

76% (1965)

57% (1941)

65% (2004)