76% (2021)

68% (2006)

64% (1957)

74% (1927)

44% (1997)

65% (2005)

62% (2015)

71% (2010)

65% (2025)

38% (1971)

57% (2004)

70% (2023)

61% (2001)

70% (2023)

44% (2011)

43% (2010)

47% (2020)

70% (2020)

54% (2009)

69% (2023)