81% (2025)

77% (2022)

76% (1987)

74% (2009)

63% (1990)

59% (2001)

66% (1997)

67% (2004)

68% (2008)

56% (2019)

77% (1997)

77% (1979)

58% (2003)

67% (1982)

73% (2001)

61% (1990)

66% (1985)

67% (1986)

62% (1986)

68% (1977)