82% (2012)

67% (2008)

82% (2009)

75% (2008)

66% (2014)

72% (2016)

71% (2014)

78% (2010)

63% (2008)

52% (2011)

78% (2015)

71% (2009)

63% (2005)

81% (2016)

64% (2005)

66% (2013)

81% (2007)

71% (2014)

67% (2011)

65% (2017)