63% (2010)

74% (2010)

63% (2008)

64% (2010)

70% (2017)

71% (2006)

79% (2006)

72% (2011)

62% (2011)

80% (2013)

73% (2009)

61% (2011)

63% (2014)

59% (2012)

66% (2008)

55% (2008)

56% (2007)

65% (2012)

58% (2008)

77% (2007)