78% (2008)

77% (2011)

67% (2009)

79% (2018)

61% (2009)

63% (2013)

76% (2011)

71% (2012)

77% (2007)

65% (2017)

75% (2010)

79% (2015)

57% (2009)

70% (2017)

84% (2005)

70% (2014)

72% (2011)

62% (2013)

79% (2004)

68% (2015)