78% (1972)

59% (1982)

64% (1957)

72% (1986)

67% (1992)

75% (1984)

40% (1958)

80% (1989)

70% (1987)

69% (1964)

72% (1965)

80% (2009)

80% (2018)

56% (1948)

54% (1961)

77% (2005)

61% (1997)

70% (2009)

73% (2010)

67% (1982)