72% (1976)

77% (1983)

83% (1980)

68% (1983)

66% (1970)

10% (1984)

84% (1975)

74% (1984)

59% (1985)

41% (1977)

81% (1974)

74% (1980)

0% (1985)

60% (1978)

0% (2020)

70% (1994)

0% (1992)

0% (2003)

80% (1984)

88% (1989)