68% (1979)

72% (1994)

73% (2016)

85% (2017)

83% (2009)

80% (2013)

86% (2002)

81% (1989)

77% (1957)

60% (1974)

69% (2000)

65% (2007)

74% (2004)

42% (2008)

74% (2015)

53% (1958)

73% (2002)

73% (2019)

90% (1998)

64% (1989)