82% (2024)

72% (2022)

83% (2023)

65% (1977)

73% (2010)

30% (1987)

70% (1982)

63% (1998)

59% (2003)

56% (2015)

35% (1974)

72% (1999)

73% (1967)

78% (2006)

71% (2018)

52% (2020)

66% (2000)

76% (2008)

63% (2004)

50% (1978)