51% (1986)

63% (2001)

71% (1985)

66% (1986)

58% (1986)

65% (1986)

56% (1989)

58% (1984)

63% (1989)

38% (1985)

50% (1985)

50% (1986)

57% (1987)

47% (1988)

52% (1989)

48% (1984)

55% (1987)

48% (1988)

53% (1986)

57% (2021)