0% (1997)

66% (2001)

87% (2003)

70% (1998)

62% (2003)

74% (2005)

78% (2000)

70% (1997)

66% (2000)

0% (2005)

55% (2004)

63% (2005)

80% (2004)

10% (1995)

90% (2002)

0% (1997)

75% (1996)

90% (2003)

55% (2005)

70% (2006)