78% (2007)

68% (1998)

67% (2000)

85% (2000)

72% (2002)

70% (2007)

65% (2010)

83% (2009)

70% (2005)

70% (2000)

63% (2010)

79% (2013)

81% (2002)

72% (2010)

70% (2011)

75% (2007)

78% (2011)

0% (2006)

70% (2010)

100% (1998)