63% (2001)

71% (1985)

65% (1986)

38% (1985)

64% (1986)

51% (1986)

47% (1988)

55% (1987)

63% (1989)

59% (1984)

35% (1986)

50% (1985)

58% (1987)

56% (1989)

51% (1989)

48% (1984)

45% (1987)

57% (1986)

53% (1986)

50% (1986)