58% (1968)

70% (1972)

69% (2004)

52% (2023)

75% (1963)

57% (2007)

64% (2012)

60% (1974)

65% (2001)

74% (1952)

55% (2011)

58% (2013)

66% (1977)

65% (1983)

66% (2008)

47% (2008)

63% (1964)

55% (1992)

62% (1994)

53% (1976)