75% (1978)

61% (1988)

70% (1998)

65% (2006)

73% (2006)

66% (2009)

69% (1973)

72% (1941)

63% (2014)

70% (2015)

69% (2007)

71% (2023)

57% (2024)

69% (1968)

69% (2018)

66% (2023)

70% (2017)

58% (1995)

74% (2004)

64% (1999)