51% (1978)

67% (1992)

61% (1982)

60% (1991)

58% (1983)

20% (1995)

56% (1977)

46% (1979)

64% (1982)

50% (1989)

50% (1996)

63% (1984)

59% (1981)

0% (2000)

70% (1994)

52% (1986)

50% (1994)

49% (2018)

58% (1990)

60% (1975)