69% (2015)

73% (2012)

64% (2009)

70% (2022)

66% (2017)

69% (2005)

70% (2010)

70% (2006)

68% (2023)

61% (2014)

65% (2002)

68% (2008)

65% (2006)

62% (2009)

59% (2007)

56% (2005)

55% (2008)

59% (2013)

59% (2009)

60% (2016)