78% (2014)

80% (2007)

54% (2008)

79% (2016)

72% (2014)

64% (2016)

65% (2013)

73% (2013)

55% (2012)

68% (2015)

72% (2013)

74% (2010)

55% (2013)

73% (2008)

75% (2012)

54% (2007)

73% (2004)

71% (2006)

45% (2013)

68% (2006)