64% (1962)

63% (1997)

80% (2021)

67% (2004)

54% (1981)

55% (1975)

60% (2011)

60% (2019)

57% (1951)

70% (2013)

62% (2011)

58% (1998)

62% (2007)

56% (2006)

49% (2010)

68% (1987)

70% (2018)

67% (2019)

64% (1989)

54% (1984)