73% (1980)

85% (2016)

82% (2015)

81% (1993)

84% (1993)

83% (2005)

52% (1981)

89% (2008)

84% (2008)

81% (2017)

81% (2020)

76% (2016)

42% (1985)

82% (2003)

83% (2006)

73% (1988)

75% (1997)

74% (2004)

60% (1974)

79% (2010)