82% (2016)

63% (2008)

65% (2012)

63% (2011)

63% (2010)

73% (2017)

64% (2015)

60% (2009)

79% (2016)

70% (2014)

64% (2008)

74% (2006)

57% (2009)

55% (2012)

62% (2007)

57% (2016)

81% (2013)

58% (2011)

73% (2013)

64% (2003)