76% (1980)

68% (2005)

69% (2019)

77% (2018)

79% (1971)

82% (2020)

69% (1967)

45% (2017)

53% (2010)

73% (2010)

64% (2011)

60% (2016)

77% (2019)

71% (1994)

62% (2004)

79% (2014)

74% (1975)

52% (2018)

76% (1999)

68% (2013)