79% (2004)

71% (2004)

69% (2008)

70% (2005)

69% (2006)

67% (2013)

71% (2001)

66% (2008)

57% (2018)

67% (2007)

62% (2011)

71% (2012)

74% (2016)

61% (2014)

63% (2013)

77% (2017)

69% (2013)

61% (2013)

57% (2011)

63% (2016)