85% (1988)

43% (1953)

61% (1986)

75% (1986)

73% (1981)

62% (1992)

76% (1964)

62% (1975)

53% (1954)

75% (1989)

70% (1983)

72% (1965)

75% (1964)

70% (1973)

55% (1994)

61% (1991)

60% (1977)

45% (1962)

63% (1993)

67% (1952)