72% (1976)

66% (1970)

77% (1983)

68% (1983)

83% (1980)

10% (1984)

84% (1975)

74% (1984)

41% (1977)

59% (1985)

74% (1980)

81% (1974)

0% (1985)

82% (1975)

88% (1982)

73% (1986)

0% (2020)

60% (1978)

80% (1984)

70% (1994)