74% (1946)

57% (1988)

52% (1997)

66% (2001)

73% (2020)

68% (2012)

54% (1935)

51% (2006)

64% (1986)

64% (1972)

72% (1929)

42% (1994)

58% (1988)

72% (1968)

52% (1966)

43% (2010)

60% (1948)

46% (2001)

59% (2021)

62% (1981)