61% (2009)

62% (2017)

65% (1997)

74% (2014)

66% (2013)

70% (2002)

78% (1979)

77% (2022)

57% (2005)

57% (2002)

71% (2003)

72% (2023)

66% (2009)

69% (2018)

69% (1998)

33% (1977)

70% (2007)

63% (2013)

56% (2011)

61% (2024)