76% (1977)

50% (2002)

52% (2008)

35% (2024)

70% (2021)

67% (2013)

73% (2006)

61% (1984)

68% (1998)

57% (2004)

78% (1974)

45% (1959)

66% (1977)

69% (2018)

66% (2012)

76% (2010)

53% (1969)

63% (2023)

0% (1970)

62% (2022)