76% (1976)

59% (2011)

60% (2011)

67% (1974)

72% (2023)

50% (1943)

67% (1993)

57% (2015)

51% (1980)

64% (2023)

76% (1988)

66% (2021)

68% (1995)

63% (1986)

51% (2013)

70% (1993)

52% (2013)

62% (2002)

74% (1965)

66% (1985)