50% (1986)

67% (1949)

60% (1957)

63% (1984)

59% (2001)

69% (1932)

69% (1958)

49% (1935)

58% (2002)

52% (1983)

60% (1996)

64% (1953)

71% (1952)

66% (1935)

73% (1936)

66% (1983)

68% (1968)

50% (1974)

65% (1991)

76% (1928)