71% (2023)

56% (1997)

62% (1993)

64% (2010)

55% (2022)

59% (2016)

59% (2017)

62% (1975)

62% (1985)

62% (2007)

68% (1999)

70% (1947)

64% (2006)

60% (2022)

65% (1988)

60% (2023)

61% (2010)

59% (2008)

59% (2023)

53% (2015)