65% (1956)

56% (1961)

58% (1993)

64% (2017)

55% (1971)

62% (1997)

57% (1951)

56% (2021)

65% (2021)

59% (1972)

48% (1976)

72% (1973)

61% (1981)

49% (2012)

70% (2018)

49% (2007)

70% (1998)

61% (1984)

58% (2010)

58% (1986)