78% (2023)

55% (2019)

72% (1984)

67% (2011)

79% (2003)

59% (1991)

66% (1996)

72% (1997)

68% (2023)

58% (2010)

73% (2011)

62% (2015)

55% (2022)

56% (2018)

69% (2006)

72% (1973)

67% (2016)

60% (2011)

61% (2012)

68% (2008)