78% (2022)

71% (2024)

63% (2021)

72% (2015)

60% (2022)

59% (2000)

75% (1938)

74% (2021)

46% (1997)

63% (2009)

69% (1997)

63% (2005)

75% (1986)

76% (2023)

64% (2020)

66% (1980)

62% (2005)

48% (2022)

70% (2003)

72% (2006)