56% (2014)

57% (2016)

56% (2012)

64% (2010)

71% (2009)

38% (2010)

70% (2008)

73% (2006)

65% (2012)

50% (2009)

59% (2010)

58% (2010)

66% (2012)

63% (2007)

74% (2016)

71% (2008)

66% (2020)

62% (2012)

74% (2012)

62% (2013)