61% (1990)

57% (1985)

62% (2000)

66% (1984)

68% (1989)

45% (1989)

61% (1989)

61% (1984)

70% (2000)

64% (2002)

52% (1999)

50% (2000)

52% (1985)

56% (1988)

0% (1990)

42% (2005)

0% (1990)

0% (2005)