67% (1981)

63% (1980)

51% (1990)

63% (1981)

62% (1990)

77% (1979)

78% (1980)

72% (1982)

71% (1979)

70% (1988)

76% (1980)

64% (1975)

68% (1991)

62% (1987)

53% (1979)

50% (1984)

0% (2019)

63% (1981)

56% (1979)

40% (1981)