54% (2008)

64% (2006)

58% (1988)

59% (2018)

74% (1981)

49% (2008)

57% (1973)

58% (2001)

69% (2013)

66% (2002)

57% (2007)

72% (1983)

57% (2017)

73% (2023)

70% (1992)

78% (1979)

56% (2018)

62% (2017)

64% (2015)

55% (2011)