64% (2000)

81% (1998)

0% (2004)

72% (2011)

88% (1998)

60% (2005)

90% (2008)

73% (2001)

66% (2000)

75% (1998)

74% (1996)

0% (2003)

60% (2001)

56% (1990)

0% (2002)

40% (2003)

65% (2000)

10% (2001)

80% (2006)

74% (2005)