67% (1973)

61% (2010)

56% (1950)

58% (2007)

63% (2013)

65% (2019)

76% (1973)

62% (1971)

66% (1983)

58% (1983)

72% (1998)

81% (1959)

66% (2002)

63% (2003)

60% (2016)

69% (1991)

73% (2019)

54% (1949)

53% (2002)

59% (1953)