73% (2006)

58% (2012)

66% (2012)

56% (2014)

74% (2016)

64% (2010)

58% (2015)

70% (2013)

62% (2000)

69% (2009)

59% (2010)

74% (2012)

58% (2010)

62% (2013)

63% (2007)

65% (2012)

50% (2009)

70% (2008)

51% (2007)

67% (2008)