65% (2003)

65% (1964)

61% (1986)

64% (2006)

63% (1936)

57% (1995)

76% (1925)

52% (2008)

69% (1940)

66% (1935)

58% (2000)

72% (1927)

60% (1962)

60% (1946)

59% (1994)

73% (1955)

60% (1966)

57% (1998)

67% (1965)

68% (1982)