43% (1983)

58% (1983)

58% (1984)

57% (1985)

57% (1986)

58% (1983)

44% (1986)

52% (1982)

59% (1983)

70% (2016)

38% (1984)

51% (1984)

40% (1986)

39% (1987)

40% (1987)

55% (1983)

41% (1985)