71% (2023)

74% (2019)

63% (2023)

65% (2013)

80% (2010)

71% (2007)

67% (2004)

67% (2015)

70% (2022)

59% (2012)

57% (2011)

61% (2014)

65% (2001)

61% (2005)

64% (2009)

70% (2011)

67% (2017)

70% (2016)

69% (2017)

52% (2018)