63% (2010)

64% (2010)

63% (2008)

73% (2009)

80% (2013)

59% (2012)

61% (2011)

71% (2006)

65% (2012)

55% (2008)

77% (2007)

79% (2006)

74% (2010)

56% (2007)

64% (2010)

76% (2007)

68% (2008)

64% (2008)

67% (2008)

64% (2010)