78% (2004)

67% (2013)

70% (2004)

71% (2012)

68% (2006)

74% (2016)

69% (2005)

66% (2007)

69% (2008)

71% (2001)

61% (2014)

66% (2008)

56% (2018)

63% (2011)

69% (2013)

63% (2008)

65% (2011)

77% (2017)

61% (2013)

56% (2011)