70% (1997)

59% (1992)

81% (2007)

43% (1953)

53% (1988)

54% (2017)

67% (1994)

73% (2011)

55% (2011)

58% (2018)

59% (2004)

52% (2013)

60% (2024)

71% (1987)

55% (1974)

66% (2001)

41% (2008)

51% (1973)

62% (2008)

73% (2025)