67% (2005)

76% (2011)

78% (2008)

85% (2006)

57% (2009)

76% (2007)

75% (2010)

63% (2013)

79% (2018)

71% (2012)

77% (2011)

72% (2014)

71% (2014)

79% (2004)

68% (2011)

62% (2013)

67% (2009)

60% (2009)

79% (2015)

70% (2007)