74% (1992)

87% (1960)

70% (1964)

66% (1991)

71% (1957)

70% (1967)

45% (1992)

59% (1949)

64% (1954)

55% (1945)

52% (1985)

56% (1948)

62% (1954)

55% (1953)

70% (1963)

44% (1951)

64% (1949)

70% (1972)

54% (1951)

70% (1957)