68% (2021)

65% (1980)

63% (2008)

64% (2024)

61% (1998)

60% (2012)

59% (2005)

64% (1996)

55% (2022)

68% (1997)

67% (2005)

78% (2010)

71% (1997)

74% (2000)

73% (2018)

64% (2007)

47% (1985)

69% (2006)

70% (2022)

67% (2021)