45% (1999)

41% (2003)

65% (1997)

45% (1998)

51% (1996)

62% (1999)

56% (1985)

59% (1994)

63% (2002)

70% (2006)

72% (1987)

74% (1999)

70% (1999)

71% (2002)

64% (1989)

65% (2003)

44% (2002)

0% (2002)

69% (1992)

100% (2002)