53% (1986)

56% (1979)

52% (1980)

0% (1986)

42% (1994)

52% (1982)

67% (1977)

51% (1988)

0% (1992)

37% (1983)

72% (1983)

62% (1985)

44% (1981)

54% (1977)

65% (1989)

76% (1982)

20% (1990)

0% (1981)

58% (1978)

0% (1977)