62% (2006)

65% (2012)

72% (2004)

69% (2007)

67% (2008)

71% (2010)

60% (2009)

72% (2006)

69% (2010)

56% (2017)

65% (2016)

65% (2007)

53% (2017)

69% (2004)

60% (2017)

61% (2016)

39% (2016)

67% (2012)

61% (2013)

54% (2004)