57% (1988)

73% (2005)

69% (2018)

66% (2022)

61% (2016)

60% (1980)

71% (1985)

72% (2018)

75% (1974)

73% (2023)

58% (2024)

61% (1988)

69% (2001)

70% (2023)

70% (1959)

74% (2006)

53% (2016)

66% (2019)

60% (2009)

72% (1959)