64% (1995)

55% (2002)

64% (1984)

64% (1993)

73% (1987)

58% (2001)

66% (1984)

60% (2002)

57% (1997)

65% (1985)

60% (1996)

66% (2001)

72% (1983)

59% (2001)

65% (1986)

100% (2000)

0% (1985)

50% (1997)

0% (1990)

56% (1991)