74% (1992)

87% (1960)

66% (1991)

52% (1986)

45% (1992)

64% (1949)

65% (1954)

64% (1954)

71% (1957)

50% (1937)

52% (1985)

56% (1948)

55% (1945)

58% (1966)

70% (1957)

71% (1967)

71% (1943)

70% (1964)

59% (1949)

52% (1943)