52% (1977)

72% (2003)

34% (2019)

77% (2015)

64% (1996)

73% (2023)

65% (2012)

78% (2006)

66% (2023)

73% (2020)

58% (2024)

67% (1985)

67% (2018)

73% (1997)

67% (2008)

50% (2010)

65% (2001)

69% (2012)

62% (2005)

60% (2024)