80% (2007)

55% (2008)

67% (2015)

65% (2013)

80% (2016)

72% (2013)

56% (2015)

77% (2014)

67% (2006)

73% (2013)

74% (2010)

73% (2004)

57% (2014)

64% (2016)

68% (2007)

53% (2009)

76% (2012)

73% (2014)

72% (2006)

67% (2004)