78% (2013)

81% (2012)

79% (2009)

74% (2020)

78% (2009)

75% (2021)

79% (2014)

73% (1995)

77% (2024)

20% (2006)

82% (1980)

76% (2024)

76% (2011)

76% (2008)

70% (1994)

80% (1973)

82% (2005)

73% (2016)

76% (2006)

75% (2010)