74% (1992)

87% (1960)

71% (1957)

65% (1991)

65% (1954)

71% (1967)

71% (1943)

59% (1949)

52% (1985)

45% (1992)

70% (1964)

55% (1953)

54% (1971)

64% (1954)

50% (1946)

43% (1968)

64% (1953)

64% (1949)

52% (1986)

54% (1951)