75% (1987)

74% (2009)

77% (2022)

59% (2001)

63% (1990)

56% (2019)

67% (2004)

77% (1979)

68% (2008)

66% (1997)

77% (1997)

67% (1982)

72% (2001)

58% (2003)

60% (1990)

67% (1985)

62% (1986)

69% (1977)

66% (1986)

64% (1978)