60% (1951)

67% (1937)

75% (1936)

59% (1996)

72% (1992)

64% (2006)

64% (1997)

54% (1985)

64% (1965)

20% (1932)

74% (1966)

80% (1968)

67% (1969)

49% (1989)

74% (1925)

73% (1966)

49% (2000)

69% (1932)

71% (1970)

52% (1983)