60% (1937)

60% (1942)

60% (1944)

52% (1964)

62% (1937)

60% (1937)

62% (1968)

78% (1957)

66% (1959)

63% (2005)

58% (2005)

50% (2005)

72% (2001)

56% (1959)

58% (1961)

56% (1946)

56% (1972)

56% (1974)

64% (1961)

74% (1970)