64% (2024)

69% (2010)

64% (2022)

61% (2022)

69% (2016)

62% (2020)

56% (2012)

69% (1964)

58% (2005)

73% (1982)

59% (2022)

58% (2017)

74% (2012)

77% (1972)

55% (1999)

45% (2001)

71% (1986)

63% (2012)

57% (1990)

71% (1968)