57% (1968)

72% (1989)

56% (1980)

63% (1972)

63% (1985)

55% (1967)

65% (1970)

81% (1961)

72% (1966)

55% (1973)

48% (1976)

58% (1975)

68% (2010)

28% (2011)

71% (2023)

75% (2020)

44% (2004)

58% (1964)

67% (1976)

56% (2022)