72% (1956)

51% (2001)

80% (1948)

51% (2018)

70% (1974)

75% (1955)

76% (1956)

67% (1993)

59% (1986)

64% (2010)

67% (1997)

64% (2021)

58% (2002)

69% (1994)

58% (2001)

63% (1994)

73% (1989)

62% (1998)

63% (2012)

59% (2011)