69% (2015)

73% (2012)

65% (2017)

63% (2009)

66% (2006)

69% (2022)

68% (2023)

65% (2002)

70% (2010)

69% (2005)

59% (2013)

60% (2016)

62% (2009)

65% (2018)

56% (2005)

56% (2008)

59% (2007)

53% (2009)

59% (2009)

51% (2012)