85% (2000)

83% (2009)

78% (2013)

81% (2002)

74% (2007)

78% (2011)

71% (2010)

70% (2007)

78% (2007)

72% (2013)

68% (2000)

0% (2001)

57% (2005)

65% (2010)

0% (2006)

72% (2010)

72% (2002)

69% (2014)

65% (2000)

66% (2009)