53% (2003)

83% (2005)

84% (2009)

78% (2013)

78% (2014)

78% (2003)

50% (2005)

73% (2011)

78% (2003)

90% (2007)

79% (2014)

73% (2016)

69% (2012)

85% (2017)

82% (2001)

79% (2000)

78% (2004)

78% (2006)

86% (2013)

82% (2018)