68% (1987)

66% (2012)

64% (1989)

76% (2002)

56% (2018)

54% (1984)

70% (2011)

69% (2006)

66% (2004)

63% (2001)

63% (1959)

66% (2019)

65% (2017)

58% (1971)

56% (2023)

61% (2015)

59% (2001)

60% (2023)

56% (2012)

68% (2005)