63% (1986)

65% (2019)

49% (2015)

51% (1979)

39% (1975)

65% (1964)

70% (1998)

48% (1987)

67% (1967)

76% (2020)

47% (1965)

77% (1966)

77% (1982)

28% (1969)

56% (1989)

47% (1977)

49% (1961)

73% (1954)

52% (2002)

52% (1970)