51% (1988)

53% (1993)

58% (1991)

68% (2017)

38% (1992)

30% (1990)

58% (1993)

33% (1992)

45% (1984)

65% (1984)

37% (1987)

38% (1991)

50% (1988)

27% (1989)

57% (1992)

25% (1984)

35% (1988)