71% (2016)

56% (2018)

50% (1997)

74% (1961)

62% (1994)

74% (2002)

72% (1998)

65% (2020)

74% (1978)

78% (2024)

66% (1963)

73% (2005)

77% (2023)

61% (2010)

75% (2021)

53% (1998)

66% (1997)

69% (2008)

56% (2010)

55% (2014)