64% (1967)

76% (2000)

62% (2017)

70% (1950)

65% (2011)

71% (2015)

74% (1967)

62% (2009)

65% (2002)

69% (1980)

63% (1995)

40% (1956)

51% (2004)

58% (1974)

62% (1987)

64% (1995)

50% (1951)

72% (1965)

62% (1959)

72% (2019)