78% (2004)

70% (2004)

71% (2012)

61% (2014)

67% (2013)

74% (2016)

69% (2005)

57% (2018)

69% (2008)

71% (2001)

67% (2007)

69% (2006)

67% (2008)

77% (2017)

63% (2008)

63% (2011)

60% (2013)

69% (2013)

65% (2011)

62% (2013)