71% (2023)

64% (1999)

62% (1997)

65% (2018)

61% (2019)

57% (1997)

69% (2023)

70% (1956)

74% (2018)

74% (2000)

65% (2022)

68% (2021)

50% (2017)

68% (2005)

70% (1970)

53% (1983)

72% (1990)

54% (2009)

73% (1951)

68% (1971)