66% (1997)

68% (1968)

77% (1997)

70% (1985)

75% (1965)

65% (2006)

70% (2008)

62% (2002)

77% (2015)

74% (1977)

69% (2017)

71% (2020)

68% (2000)

71% (2012)

62% (1984)

65% (1970)

60% (2017)

63% (1984)

56% (2004)

70% (2024)