70% (1979)

53% (1976)

77% (1988)

63% (1956)

75% (1981)

45% (1982)

76% (1984)

80% (1996)

55% (1995)

61% (1964)

74% (1966)

68% (1969)

66% (1960)

53% (1990)

74% (1985)

64% (2020)

60% (1970)

67% (1979)

70% (1969)

64% (1973)