56% (2004)

66% (1972)

63% (1967)

71% (1956)

76% (1952)

59% (1989)

70% (1943)

71% (1965)

63% (1980)

73% (1941)

43% (2011)

52% (1988)

65% (2000)

62% (1967)

70% (1943)

64% (1941)

59% (1985)

56% (1984)

33% (2003)

65% (1952)