71% (2024)

69% (1987)

65% (2023)

65% (2016)

59% (1997)

72% (2018)

78% (2018)

66% (2010)

52% (1998)

60% (2018)

59% (2007)

78% (2014)

54% (1994)

65% (2020)

76% (2006)

73% (2023)

69% (1991)

72% (1974)

59% (2012)

58% (2015)