69% (2015)

73% (2012)

69% (2022)

68% (2023)

63% (2009)

65% (2017)

69% (2010)

68% (2005)

62% (2009)

59% (2007)

66% (2006)

65% (2018)

67% (2008)

65% (2002)

55% (2008)

62% (2014)

60% (2016)

56% (2005)

58% (2013)

53% (2009)