60% (2005)

74% (2009)

83% (2005)

80% (2002)

71% (2008)

62% (2003)

82% (2004)

78% (2006)

66% (2008)

56% (2005)

60% (2001)

60% (2000)

53% (2000)

72% (2010)

70% (1996)

61% (2000)

79% (2010)

72% (2007)

0% (2006)