68% (2004)

61% (1978)

73% (1966)

69% (2015)

64% (2008)

77% (2023)

60% (2023)

67% (2008)

60% (2005)

73% (2021)

61% (2020)

67% (2009)

61% (2023)

62% (2012)

58% (1987)

51% (1998)

56% (1999)

61% (1998)

63% (1990)

70% (2004)