70% (1979)

53% (1976)

77% (1988)

45% (1982)

61% (1964)

63% (1956)

75% (1981)

74% (1966)

76% (1984)

66% (1960)

80% (1996)

58% (1971)

70% (1972)

64% (1973)

74% (1985)

68% (1969)

64% (2020)

77% (1980)

69% (1986)

70% (1969)