58% (2004)

78% (2001)

64% (1998)

73% (2003)

70% (2005)

60% (2002)

66% (1995)

0% (2005)

75% (2003)

10% (1995)

72% (1995)

68% (1999)

63% (2005)

73% (1997)

64% (1997)

70% (2004)

80% (2006)

76% (2000)

50% (1999)

77% (1999)