76% (2018)

77% (2013)

76% (2021)

86% (2008)

64% (1996)

76% (2022)

74% (2012)

79% (2019)

78% (2019)

78% (2019)

43% (2005)

49% (1977)

73% (2011)

70% (2007)

70% (2013)

71% (2016)

80% (2006)

71% (2011)

72% (2023)

77% (2010)