74% (1992)

87% (1960)

71% (1957)

70% (1964)

66% (1991)

64% (1954)

71% (1943)

62% (1954)

70% (1963)

64% (1949)

69% (1945)

70% (1967)

52% (1985)

49% (1976)

43% (1968)

55% (1945)

45% (1992)

52% (1944)

50% (1973)

52% (1986)